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Case Study and Passage Based Questions for Class 10 Science Chapter 6 Life Processes

• Last modified on: 3 years ago
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In CBSE Class 10 Science Paper, Students will have to answer some questions based on  Assertion and Reason . There will be a few questions based on case studies and passage based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Here, we have provided case based/passage based questions for Class 10 Science  Chapter 6 Life Processes .

Question 1:

Read the following and answer any four questions from (i) to (v).

All living cells need nutrients, O, and other essential substances. Also, the waste and harmful substances need to be removed continuously for healthy functioning of cells. So, a well developed transport system is mandatory for living organisms. Complex organisms have special fluids within their bodies to transport such materials. Blood is the most commonly used body fluid by most of the higher organisms. Lymph also helps in the transport of certain substances.

(i) Which of the following does not exhibit phagocytic activity? (a) Monocytes (b) Neutrophils (c) Basophil (d) Macrophage

(ii) Amount of blood corpusles in changed in dengue fever. One of the common symptoms observed in people infected with dengue fever is (a) significant decrease in RBC count (b) significant decrease in WBC count (c) significant decrease in platelets count (d) significant increase in platelets count.

(iii) Why are WBCs called soldiers of the body? (a) They are capable of squeezing out of blood capillaries. (b) They are manufactured in bone marrow. (c) They fight against disease causing germs. (d) They have granular cytoplasm with lobed nucleus.

(iv) Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (a) Erythrocytes (b) Neutrophils (c) Leucocytes (d) Thrombocytes

(v) Which of the following is the correct feature of lymph? (a) It is similar to the plasma of blood, but is colourless and contains less proteins. (b) It is similar to the WBCs of blood, but is colourless and contain more proteins. (c) It is similar to the RBCs of blood and red in colour. (d) It contains more fats.

Question 2:

Heterotrophic nutrition is a mode of nutrition in which organisms obtain readymade organic food from outside sources. The organisms that depend upon outside sources for obtaining organic nutrients are called heterotrophs. Heterotrophic nutrition is of three types: saprophytic, parasitic and holozoic nutrition.

(i) In which of the following groups of organisms food material is broken outside the body and absorbed? (a) Mushroom, green plants, Amoeba (b) Yeast, mushroom, bread mould (c) Paramecium, Amoeba, Cuscuta (d) Cuscuta, lice, tapeworm

(ii) Which of the following is a parasite? (a) Yeast (b) Taenia (c) Amoeba (d) Earthworm

(iii) Which of the following is an example of saprotroph? (a) Grass (b) Mushroom (c) Amoeba (d) Paramecium

(iv) Heterotrophic nutrition involves (a) production of simple sugar from inorganic compounds (b) utilisation of chemical energy to prepare food (c) utilisation of energy obtained by plants (d) all of these.

(v) In Paramecium, food enters the body through (a) mouth (b) pseudopodia (c) cilia (d) cytostome

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• Life Processes Class 10 Case Study Questions Science Chapter 6

Last Updated on September 13, 2024 by XAM CONTENT

Hello students, we are providing case study questions for class 10 science. Case study questions are the new question format that is introduced in CBSE board. The resources for case study questions are very less. So, to help students we have created chapterwise case study questions for class 10 science. In this article, you will find case study questions for cbse class 10 science chapter 6 Life Processes.

Table of Contents

Case Study Questions on Life Processes

Question 1:

Read the following and answer the questions given below:

Heterotrophic nutrition is a mode of nutrition in which organisms obtain readymade organic food from outside sources. The organisms that depend upon outside sources for obtaining organic nutrients are called heterotrophs. Heterotrophic nutrition is of three types: saprophytic, parasitic and holozoic nutrition.

(i) In which of the following groups of organisms food material is broken outside the body and absorbed? (a) Mushroom, green plants, Amoeba (b) Yeast, mushroom, bread mould (c) Paramecium, Amoeba, Cuscuta (d) Cuscuta, lice, tapeworm

Difficulty Level: Medium

Ans. Option (b) is correct. Explanation: Yeast, mushroom and bread mould have a saprophytic mode of nutrition which is chemoheterotrophic in nature. They breakdown complex organic substances by secreting digestive enzyme outside their body and absorb simple molecules as nutrients.

(ii) Which of the following is a parasite? (a) Yeast (b) Taenia (c) Amoeba (d) Earthworm

Ans. Option (b) is correct.

(iii) Which of the following is an example of saprotroph? (a) Grass (b) Mushroom (c) Amoeba (d) Paramecium

(iv) Heterotrophic nutrition involves (a) production of simple sugar from inorganic compounds (b) utilisation of chemical energy to prepare food (c) utilisation of energy obtained by plants (d) all of these.

Ans. Option (c) is correct. Explanation: Heterotrophic nutrition is mode of nutrition in which an organism depends on other living organisms for food.

(v) In Paramecium, food enters the body through (a) mouth (b) pseudopodia (c) cilia (d) cytostome.

Ans. Option (d) is correct. Explanation: Feeding apparatus in Paramecium consists of peristome, vestibule, buccal cavity, cytostome (cell mouth) and cytopharynx.

• Electricity Class 10 Case Study Questions Science Chapter 12
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• Metals and Non-metals Class 10 Case Study Questions Science Chapter 3
• Light – Reflection and Refraction Class 10 Case Study Questions Science Chapter 10

Acids Bases and Salts Class 10 Case Study Questions Science Chapter 2

Chemical reactions and equations class 10 case study questions science chapter 1, topics from which case study questions may be asked.

• Basic concept of nutrition, respiration, transport and excretion in plants and animals.
• Autotrophic Nutrition
• Heterotrophic Nutrition
• Photosynthesis
• Nutrition in Unicellular Organisms
• Human Digestive System

This chapter deals with the basic understanding of nutrition, respiration, transport and excretion in plants and animals. Life Processes are maintenance processes, which sustain orderly structure of living beings e.g. Plants use CO2, animals consume carbohydrate, fats, proteins etc. Continuous supply of energy and materials is needed for maintenance of life by these processes. Life on earth depends on carbon-based molecules, therefore, the sources of energy and materials are carbon-based. The way of life of different organisms depends on complexity of the carbon source. All living organisms use ATP as a source of energy, required for molecular movements, growth and maintenance of living structure.

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Frequently Asked Questions (FAQs) on Life Processes Case Study Questions

Q1: what are case study questions for cbse examinations.

A1: Case study questions in CBSE examinations typically involve scenarios or real-life examples, requiring students to apply their understanding of concepts to solve problems or analyze situations.

Q2: Why are case study questions important for understanding class 10 science chapters?

A2: Case study questions provide a practical context for students to apply theoretical knowledge to real-world situations, fostering deeper understanding and critical thinking skills.

Q3: How should students approach answering case study questions for CBSE?

A3: Students should carefully read the case study, identify the key issues or problems presented, analyze the information provided, apply relevant concepts and principles of chemical reactions and equations, and formulate well-supported solutions or responses.

Q4: Are there any resources available online for students to practice case study questions on class 10 science chapters for CBSE exams?

A4: Yes, several educational websites offer case study questions for CBSE students preparing for science examinations. We also offer a collection of case study questions for all classes and subject on our website. Visit our  website  to access these questions and enhance your learning experience. If you need more case study questions for your preparation, then you visit Physics Gurukul website.

Q5: How can students effectively prepare for case study questions on Life Processes for CBSE exams?

A5: Effective preparation strategies include regular revision of concepts, solving practice questions, analyzing case studies from previous exams, seeking clarification on doubts, and consulting with teachers or peers for guidance and support.

Q6: How can teachers incorporate case study questions on Life Processes class 10 science into classroom teaching?

A6: Teachers can integrate case studies into lesson plans, group discussions, or interactive activities to engage students in active learning, promote problem-solving skills, and facilitate a deeper understanding of Life Processes.

Q7: What is transportation?

A7: Transportation is the life process by which substances absorbed or synthesised in one part of the body are carried to other parts where they are consumed.

Q8: What is circulatory system?

A8: It is the system for transportation of substances within the body consisting of organs and fluids.

Q9: Name the instrument used to measure blood pressure.

A9: Sphygmomanometer

Q10: Why do the ventricles have thicker muscular walls as compared to the atria?

A10: Auricles collect the blood coming from veins with very low pressure and pass it to ventricles. Ventricles pump the blood into various organs of the body. They have thicker muscular walls to create sufficient pressure for pumping the blood.

Q11: What is lymph?

A11: Lymph is the tissue fluid formed by a part of blood that comes out of capillaries into extracellular space. It contains plasma, proteins and blood cells. It serves as a medium for transport of materials to and from individual cells.

Q12: What would be the consequences of deficiency of haemolglobin in our bodies?

A12: Haemoglobin present in red blood corpuscles serves as the respiratory pigment for transport of oxygen. If there is deficiency of haemoglobin in our body, the blood will not be able to carry sufficient oxygen. This will cause tiredness, shortness of breath and dizziness.

Q13: Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

A13: Mammals and birds are warm-blooded animals. To maintain their body temperature they need energy constantly. To release more energy by aerobic respiration they need more supply of oxygenated blood. Separation of oxygenated and deoxygenated blood in the heart allows a highly efficient supply of oxygen to the body.

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Case Study Chapter 6 Life Processes

Please refer to Chapter 6 Life Processes Case Study Questions with answers provided below. We have provided Case Study Questions for Class 10 Science for all chapters as per CBSE, NCERT and KVS examination guidelines. These case based questions are expected to come in your exams this year. Please practise these case study based Class 10 Science Questions and answers to get more marks in examinations.

Case Study Questions Chapter 6 Life Processes

Case/Passage – 1

There is a pair of bea n- shaped organs P in the human body towards the back, just above the waist. A waste product Q formed by the decomposition of unused proteins in the liver is brought into organ P through blood by an artery R. The numerous tiny filters S present in organ P clean the dirty blood by removing the waste product Q. The clean blood goes into circulation through a vein T. The waste substance Q, other waste salts, and excess water form a yellowish liquid U which goes from organ P into a bag-like structure V through two tubes W. This liquid is then thrown out of the body through a tube X.

Question: Name (i) artery R, and (ii) vein T.        

Renal artery

Question: What are tiny filters S known as?      

Question: What is (i) organ P, and (ii) waste substance Q?  

Question: Name (i) liquid U (ii) structure V (iii) tubes W, and (iv) tube X.

(i) Urine (ii) Bladder (iii) Ureters (iv) Urethra

Case/Passage – 2

All living cells require energy for various activities. This energy is available by the breakdown of simple carbohydrates either using oxygen or without using oxygen.

Question: Energy in the case of higher plants and animals is obtained by (a) Breathing (b) Tissue respiration (c) Organ respiration (d) Digestion of food   

Question: The graph below represents the blood lactic acid concentration of an athlete during a race of 400 m and shows a peak at point D. Lactic acid production has occurred in the athlete while running in the 400 m race. Respiration in athletics  The blood of an athlete was tested before, during and after a 400m race: Respiration in athletics The blood of an athlete was tested before, during and after a 400m race:

Lactic acid production has occurred in the athlete while running in the 400 m race. Which of the following processes explains this event? Which of the following processes explains this event? (a) Aerobic respiration (b) Anaerobic respiration (c) Fermentation (d) Breathing

Question: Study the graph below that represents the amount of energy supplied with respect to the time while an athlete is running at full speed. Choose the correct combination of plots and justification provided in the following table.

Question: Study the table below and select the row that has the incorrect information.                                                  Aerobic               Anaerobic (a) Location                              Cytoplasm       Mitochondria (b) End Porduct                       CO 2  and H 2 O     Ethanol and CO 2 (c) Amount of ATP                      High                  Low (d) Oxygen                                Needed            Not needed   

Question: The characteristic processes observed in anaerobic respiration are: (i) presence of oxygen (ii) release of carbon dioxide (iii) release of energy (iv) release of lactic acid (a) (i), (ii) only (b) (i), (ii), (iii) only (c) (ii), iii), iv) only (d) (iv) only

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• CBSE Class 10

CBSE Class 10 Science Chapter Wise Important Case Study Questions

Chapter wise important case study questions cbse class 10 science: cbse class 10 science board exam 2024 is just around the corner and students are working hard to score maximum marks. check these case study questions from class 10 science to ace your examination this year also download the solutions from the pdf attached towards the end. .

CBSE Class 10 Science Chapter Wise Important Case Study Questions: While the CBSE Board exam for Class 10 students are ongoing, the CBSE Class 10 Science board exam 2024 is to be held on March 2, 2024. With the exams just a  few days away, CBSE Class 10th Board exam candidates are rushing to prepare the remaining syllabus, practising their weak portions, trying to revise the important questions from the past year papers, practise questions, etc. 

Why are CBSE Class 10 Science Case Study Questions Important?

Related stories.

[Official] CBSE 10th Date Sheet 2025: Download Class 10 Exam Time Table PDF

CBSE Class 10 Syllabus 2024-25: Download Latest and Revised FREE PDFs

NCERT Lab Manual Class 10 All Subjects 2024-25; FREE PDF Download

• Section A : 20 Multiple Choice Questions (MCQs) carrying 1 mark each.  
• Section B : 6 Very Short Answer type questions carrying 2 marks each. Answers to these questions should be in the range of 30 to 50 words.  
• Section C : 7 Short Answer type questions carrying 3 marks each. Answers to these questions should be in the range of 50 to 80 words.  
• Section D : 3 Long Answer type questions carrying 5 marks each. Answers to these questions should be in the range of 80 to 120 words.
• Section E : 3 Case Based/ Source Based units of assessment (4 marks each) with sub-parts.  

How to solve case study questions in CBSE Class 10 Science?

• Read the case given and the associated questions carefully.
• Read the questions attentively and analyse what they are asking.
• Apply your subject knowledge and theories in the given case to decide what the correct answers should be.

1.A chemical reaction is a representation of chemical change in terms of symbols and formulae of reactants and products. There are various types of chemical reactions like combination, decomposition, displacement, double displacement, oxidation and reduction reactions. Reactions in which heat is released along with the formation of products are called exothermic chemical reactions. All combustion reactions are exothermic reactions.

(i) The massive force that pushes the rocket forward through space is generated due to the

(a) combination reaction

(b) decomposition reaction

(c) displacement reaction

(d) double displacement reaction

(ii) A white salt on heating decomposes to give brown fumes and yellow residue is left behind. The yellow residue left is of

(a) lead nitrate

(b) nitrogen oxide

(c) lead oxide

(d) oxygen gas

(iii) Which of the following reactions represents a combination reaction?

(a) CaO (s) + H2O (l) → Ca (OH)2 (aq)

(b) CaCO3 (s) → CaO (s) + CO2(g)

(c) Zn(s) + CuSO4 (aq) → ZnSO4 (aq) + Cu(s)

(d) 2FeSO4(s) → Fe2O3 (s) +SO2(g) + SO3(g)

(iv) Complete the following statements by choosing correct type of reaction for X and Y.

Statement 1: The heating of lead nitrate is an example of ‘X’ reaction.

Statement 2: The burning of magnesium is an example of ‘Y’ reaction.

(a)X-Combination,Y-Decomposition

(b)X-Decomposition,Y-Combination

(c)X-Combination,Y-Displacement

(d) X- Displacement, Y-Decomposition

2.The earlier concept of oxidation and reduction is based on the addition or removal of oxygen or hydrogen elements so, in terms of oxygen and hydrogen, oxidation is addition of oxygen to a substance and removal of hydrogen from a substance. On the other hand, reduction is addition of hydrogen to a substance and removal of oxygen from a substance. The substance which gives oxygen to another substance or removes hydrogen from another substance in an oxidation reaction is known as oxidising agent, while the substance which gives hydrogen to another substance or removes oxygen from another substance in a reduction reaction is known as reducing agent. For example, 

(i) A redox reaction is one in which

(a) both the substances are reduced

(b) both the substances are oxidised

(c) an acid is neutralised by the base

(d) one substance is oxidised while the other is reduced.

(ii) In the reaction, H2S+Cl2⟶S+2HCl

(a) H2S is the reducing agent. 

(b) HCl is the oxidising agent.

(c) H2S is the oxidising agent. 

(d) Cl2 is the reducing agent.

(iii) Which of the following processes does not involve either oxidation or reduction?

(a) Formation of slaked lime from quicklime.

(b) Heating mercuric oxide.

(c) Formation of manganese chloride from manganese oxide (MnO2).

(d) Formation of zinc from zinc blende.

(iv) Mg+CuO⟶MgO+Cu

Which of the following is wrong relating to the above reaction?

(a) CuO gets reduced

(b) Mg gets oxidised.

(c) CuO gets oxidised. 

(d) It is a redox reaction.

3.A copper vessel gets tarnished due to formation of an oxide layer on its surface. On rubbing lemon on the vessel, the surface is cleaned, and the vessel begins to shine again. This is due to the fact that which reacts with the acid present in lemon to form a salt which is washed away with water. As a result, the layer of copper oxide is removed from the surface of the vessel and the shining surface is exposed.

1.Which of the following acids is present in lemon?

(a) Formic acid

(b) Acetic acid

(c) Citric acid

(d) Hydrochloric acid

2.The nature of copper oxide is

d) amphoteric

3.Name the salt formed in the above reaction

a) copper carbonate

b) copper chloride

c)copper citrate

d) copper citrate

4.The phenomenon of copper getting tarnished is

a) corrosion

b) rancidity

c) displacement

d)none of these

4.Metals as we know, are very useful in all fields, industries in particular. Non-metals are no less in any way. Oxygen present in air is essential for breathing as well as for combustion. Non-metals form a large number of compounds which are extremely useful, e.g., ammonia, nitric acid, sulphuric acid, etc. Non-metals are found to exist in three states of matter. Only solid non-metals are expected to be hard however, they have low density and are brittle. They usually have low melting and boiling points and are poor conductors of electricity.

i.____________ is a non-metal but is lustrous

A.Phosphorus

ii.Which of the following is known as 'King of chemicals'?

C. Sulphuric acid

D. Nitric acid

iii.Which of the following non-metals is a liquid?

iv.Hydrogen is used

A.for the synthesis of ammonia

B. for the synthesis of methyl alcohol

C.nitrogenous fertilizers

D. all of these

5.Nisha observed that the bottoms of cooking utensils were turning black in colour while the flame of her stove was yellow in colour. Her daughter suggested cleaning the air holes of the stove to get a clean, blue flame. She also told her mother that this would prevent the fuel from getting wasted.

a) Identify the reasons behind the sooty flame arising from the stove.

b) Can you distinguish between saturated and unsaturated compounds by burning them? Justify your answer.

c) Why do you think the colour of the flame turns blue once the air holes of the stove are cleaned?

6.Blood transport food, Oxygen and waste materials in our bodies. It consists of plasma as a fluid medium. A pumping organ [heart] is required to push the blood around the body. The blood flows through the chambers of the heart in a specific manner and direction. While flowing throughout the body, blood exerts a pressure against the wall or a vessel.

• Pulmonary artery
• Pulmonary vein
• Very narrow and have high resistance
• Much wide and have low resistance
• Very narrow and have low resistance
• Much wide and have high resistance
• It is a hollow muscular organ
• It is four chambered having three auricles and one ventricle.
• It has different chambers to prevent O2 rich blood from mixing with the blood containing CO2
• Both A & C
• Blood = Plasma + RBC + WBC + Platelets
• Plasma = Blood – RBC
• Lymph = Plasma + RBC
• Serum = Plasma + RBC + WBC

7.A brain is displayed at the Allen Institute for Brain Science. The human brain is a 3-pound (1.4-kilogram) mass of jelly-like fats and tissues—yet it's the most complex of all known living structures The human brain is more complex than any other known structure in the universe. Weighing in at three pounds, on average, this spongy mass of fat and protein is made up of two overarching types of cells—called glia and neurons— and it contains many billions of each. Neurons are notable for their branch-like projections called axons and dendrites, which gather and transmit electrochemical signals. Different types of glial cells provide physical protection to neurons and help keep them, and the brain, healthy. Together, this complex network of cells gives rise to every aspect of our shared humanity. We could not breathe, play, love, or remember without the brain.

1)Animals such as elephants, dolphins, and whales actually have larger brains, but humans have the most developed cerebrum. It's packed to capacity inside our skulls and is highly folded. Why our brain is highly folded?

• b) Learning

3)Which among these protects our brain?

a)Neurotransmitter

b) Cerebrospinal fluid

d) Grey matter

4.Ram was studying in his room. Suddenly he smells something burning and sees smoke in the room. He rushes out of the room immediately. Was Ram’s action voluntary or involuntary? Why?

8.Preeti is very fond of gardening. She has different flowering plants in her garden. One day a few naughty children entered her garden and plucked many leaves of Bryophyllum plant and threw them here and there in the garden. After few days, Preeti observed that new Bryophyllum plants were coming out from the leaves which fell on the ground.

1.What does the incident sited in the paragraph indicate?

(a). Bryophyllum leaves have special buds that germinate to give rise to new plant.

(b). Bryophyllum can propagate vegetatively through leaves.

(c). Bryophyllum is a flowering plant that reproduces only asexually

(d). Both (a) and (b).

2.Which of the following plants can propagate vegetatively through leaves like Bryophyllum?

3.Do you think any other vegetative part of Bryophyllum can help in propagation? If yes, then which part?

(c) Flowers

4.Which of the following plant is artificially propagated (vegetatively) by stem cuttings in horticultural practices?

(b)Snakeplant

(d)Water hyacinth

9.The growing size of the human population is a cause of concern for all people. The rate of birth and death in a given population will determine its size. Reproduction is the process by which organisms increase their population. The process of sexual maturation for reproduction is gradual and takes place while general body growth is still going on. Some degree of sexual maturation does not necessarily mean that the mind or body is ready for sexual acts or for having and bringing up children. Various contraceptive devices are being used by human beings to control the size of the population.

1) What are common signs of sexual maturation in boys?

a) Broadening of shoulders

b) Development of mammary glands

c) Broadening of waist

d) High pitch of voice

2) Common sign of sexual maturation in girls is

a) Low pitch voice

b) Appearance of moustache and beard

c) Development of mammary glands

d) Broadening of shoulders

3) Which contraceptive method changes the hormonal balance of the body?

b) Diaphragms

c) Oral pills

d) Both a) and b)

4) What should be maintained for healthy society?

a) Rate of birth and death rate

b) Male and female sex ratio

c) Child sex ratio

d) None of these

10.Pea plants can have smooth seeds or wrinkled seeds. One of the phenotypes is completely dominant over the other. A farmer decides to pollinate one flower of a plant with smooth seeds using pollen from a plant with wrinkled seeds. The resulting pea pod has all smooth seeds.

i) Which of the following conclusions can be drawn?

(1) The allele for smooth seeds is dominated over that of wrinkled seeds.

(2) The plant with smooth seeds is heterozygous.

(3) The plant with wrinkled seeds is homozygous.

(b) 1 and 2 only

(c) 1 and 3 only

(d) 1, 2 and 3

ii) Which of the following crosses will give smooth and wrinkled seeds in same proportion?

(a) RR X rr

(b) Rr X rr

(d) rr X rr

iii) Which of the following cross can be used to determine the genotype of a plant with dominant phenotype?

(a) RR X RR

(b) Rr X Rr

(c) Rr X RR

(d) RR X rr

iv) On crossing of two heterozygous smooth seeded plants (Rr), a total of 1000 plants were obtained in F1 generation. What will be the respective number of smooth and wrinkled seeds obtained in F1 generation?

(a) 750, 250

(b) 500, 500

(C) 800, 200

(d) 950, 50

11.Food chains are very important for the survival of most species.When only one element is removed from the food chain it can result in extinction of a species in some cases.The foundation of the food chain consists of primary producers.Primary producers or autotrophs,can use either solar energy or chemical energy to create complex organic compounds,whereas species at higher trophic levels cannot and so must consume producers or other life that itself consumes producers. Because the sun’s light is necessary for photosynthesis,most life could not exist if the sun disappeared.Even so,it has recently been discovered that there are some forms of life,chemotrophs,that appear to gain all their metabolic energy from chemosynthesis driven by hydrothermal vents,thus showing that some life may not require solar energy to thrive.

1.If 10,000 J solar energy falls on green plants in a terrestrial ecosystem,what percentage of solar energy will be converted into food energy?

(d)It will depend on the type of the terrestrial plant

2.Matter and energy are two fundamental inputs of an ecosystem. Movement of

(a)Energy is by directional and matter is repeatedly circulating

(b)Energy is repeatedly circulating and matter is unidirectional

(c)Energy is unidirectional and matter is repeatedly circulating

(d)Energy is multidirectional and matter is bidirectional

3.Raj is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying

(a)First trophic level

(b)Second trophic level

(c)Third trophic level

(d)Fourth trophic level

4.Which of the following, limits the number of trophic levels in a food chain

(a)Decrease in energy at higher trophic levels

(b)Less availability of food

(c)Polluted air

5.The decomposers are not included in the food chain. The correct reason for the same is because decomposers

(a) Act at every trophic level at the food chain

(b) Do not breakdown organic compounds

(c) Convert organic material to inorganic forms

(d) Release enzymes outside their body to convert organic material to inorganic forms

12.Shyam participated in a group discussion in his inter school competition on the practical application of light and was very happy to win an award for his school. That very evening his father gave treat to celebrate Shyam’s win. Shyam while sitting saw an image of a person sitting at his backside in his curved plate and could see that person’s mobile drop in the flower bed. Person was not aware until Shyam went and informed him. He thanked Shyam for his clever move.

a)From which side of his plate Shyam observed the incident –

i)outward curved

ii)inward curved

iii)plane surface

b)Part of plate from which Shyam observed the incident acted like a-

i)concave mirror

ii)convex mirror

iii)plane mirror

c)The nature of the size of the image formed in above situation is –

i)real, inverted and magnified

ii)same size , laterally inverted

iii)virtual, erect and diminished

iv)real , inverted and diminished

d)Magnification of the image formed by convex mirror is –

more than 1

iii)equal to 1

iv)less than 1

• The location of image formed by a convex lens when the object is placed at infinity is

(a) at focus

(c) at optical center

• When the object is placed at the focus of concave lens, the image formed is

(a)real and smaller

(b) virtual and smaller

(c) virtual and inverted

• The size of image formed by a convex lens when the object is placed at the focus ofconvex lens is

(a) highly magnified

(b) point in size

• When the object is placed at 2F in front of convex lens, the location of image is

(b) between F and optical center

(c) at infinity

(d) none of the above

14.One of the wires in domestic circuits supply, usually with a red insulation cover, is called live wire. with black insulation is called neutral wire. The earth wire, which has insulation of green colour, is usually connected to a metal plate deep in the earth near the house appliances that has a metallic body. Overloading contact, in such a situation the current in the circuit abruptly increases. circuit prevents damage to the appliances and the circuit due to overloading.

1 When do we say that an electrical appliance

2 Mention the function of earth wire in electrical line

3 How is an electric fuse connected in a domestic circuit?

4 When overloading and short circuiting are said to occur?

5 What is a live wire?

15.Light of all the colours travel at the same speed in vacuum for all wavelengths. But in any transparent medium(glass or water), the light of different colours travels at different speeds for different wavelengths, which means that the refractive index of a particular medium is different for different wavelengths. As there is a difference in their speeds, the light of different colours bend through different angles. The speed of violet colour is maximum and the speed of red colour is minimum in glass so, the red light deviates least and violet colour deviates most. Hence, higher the wavelength of a colour of light, smaller the refractive index and less is the bending of light.

(i)Which of the following statements is correct regarding the propagation of Light of different colours of white light in air?

(a) Red light moves fastest.

(b) Blue light moves faster than green light.

(c) All the colours of the white light move with the same speed.

(d) Yellow light moves with the mean speed as that of the red and the violet light.

(ii)Which of the following is the correct order of wavelength?

(a) Red> Green> Yellow

(b) Red> Violet> Green

(c) Yellow> Green> Violet

(d) Red> Yellow> Orange

(iii)Which of the following is the correct order of speed of light in glass?

(a) Red> Green> Blue

(b) Blue> Green> Red

(c) Violet> Red> Green

(d) Green> Red> Blue

(iv)Which colour has maximum frequency?

16.The region around a magnet where magnetism acts is represented by the magnetic field.The force of magnetism is due to moving charge or some magnetic material. Like stationary charges produce an electric field proportional to the magnitude of charge, moving charges produce magnetic fields proportional to the current. In other words, a current carrying conductor produces a magnetic field around it. The subatomic particles in the conductor, like the electrons moving in atomic orbitals, are responsible for the production of magnetic fields. The magnetic field lines around a straight conductor (straight wire) carrying current are concentric circles whose centres lie on the wire.

1)The magnetic field associated with a current carrying straight conductor is in anti- clockwise direction. If the conductor was held horizontally along east west direction,what is the direction of current through it?

2)Name and state the rule applied to determine the direction of magnetic field in a straight current carrying conductor.

3)Ramus performs an experiment to study the magnetic effect of current around a current carrying straight conductor with the help of a magnetic compass. He reports that

a)The degree of deflection of magnetic compass increases when the compass is moved away from the conductor.

b)The degree of deflection of the magnetic compass increases when the current through the conductor is increased.

Which of the above observations of the student appears to be wrong and why?

Case Study Questions Class 10 Science CBSE Chapter Wise PDF

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Class 10 Science Case Study Questions PDF Download

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Are you searching for a comprehensive resource to improve your understanding and problem-solving skills in Class 10 Science? Look no further! In this article, we will explore the world of Class 10 Science case study questions and provide you with an opportunity to download a PDF resource containing a collection of case study questions designed specifically for this subject. Let’s dive in and enhance your knowledge!

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Table of Contents

CBSE Class 10th – SCIENCE: Chapterwise Case Study Question & Solution

Case study questions provide a practical and real-life context for applying scientific concepts and principles. These questions require you to analyze a given scenario, identify relevant information, and utilize your scientific knowledge to solve problems or draw conclusions. Case study questions assess your ability to think critically, make connections, and apply scientific principles in a practical setting.

Chapterwise Case Study Questions for Class 10 Science

To support your preparation for Class 10 Science examinations, we have created a comprehensive PDF resource containing a collection of case study questions designed specifically for this subject. This PDF includes a variety of case studies covering different topics in Physics, Chemistry, and Biology. It will provide you with ample practice opportunities to enhance your analytical and problem-solving skills.

• Case Study Questions for Chapter 1 Chemical Reactions and Equations
• Case Study Questions for Chapter 2 Acids, Bases, and Salts
• Case Study Questions for Chapter 3 Metals and Non-Metals
• Case Study Questions for Chapter 4 Carbon and Its Compounds
• Case Study Questions for Chapter 5 Periodic Classification of elements
• Case Study Questions for Chapter 6 Life Processes
• Case Study Questions for Chapter 7 Control and Coordination
• Case Study Questions for Chapter 8 How do organisms reproduce?
• Case Study Questions for Chapter 9 Heredity and Evolution
• Case Study Questions for Chapter 10 Light reflection and refraction
• Case Study Questions for Chapter 11 Human eye and colorful world
• Case Study Questions for Chapter 12 Electricity
• Case Study Questions for Chapter 13 Magnetic effects of current
• Case Study Questions for Chapter 15 Our Environment

The above  Case studies for Class 10 Science will help you to boost your scores as Case Study questions have been coming in your examinations. These CBSE Class 10 Science Case Studies have been developed by experienced teachers of schools.studyrate.in for the benefit of Class 10 students.

• Class 10th Maths Case Study Questions

Benefits of Case Study Questions

Engaging with case study questions in Class 10 Science offers several benefits. Let’s explore some of them:

• Real-life application: Case study questions allow you to apply scientific concepts to real-life situations, enhancing your understanding of their practical relevance.
• Critical thinking skills: Analyzing case studies promotes critical thinking by challenging you to evaluate information, identify patterns, and draw logical conclusions.
• Problem-solving abilities: Case study questions require you to identify problems, propose solutions, and make informed decisions based on scientific evidence.
• Holistic learning: By examining different aspects of a case, you gain a broader perspective on scientific concepts and their interconnections.
• Preparation for higher education: Case study questions prepare you for future academic pursuits by developing skills necessary for scientific research and analysis.

Understanding the Structure of Case Study Questions

Case study questions typically present a scenario or a problem related to a scientific concept. The questions may require you to analyze data, interpret graphs, or propose solutions based on the given information. It is important to read the case study carefully, identify key details, and understand the context before attempting to answer the questions.

Tips for Analyzing and Answering Case Study Questions

To effectively analyze and answer case study questions, consider the following tips:

• Read the case study thoroughly: Take your time to understand the scenario, paying attention to key details and any scientific concepts mentioned.
• Identify the problem or objective: Determine the main question or objective that the case study aims to address. This will guide your analysis and help you stay focused.
• Break down the questions: Carefully read each question and break it down into smaller parts. Identify the specific information or data required to answer each question accurately.
• Apply scientific knowledge: Utilize your understanding of scientific principles and concepts to analyze the case study. Make connections between the given information and relevant scientific theories.
• Support your answers: Whenever possible, support your answers with scientific evidence or reasoning. Refer to specific data, graphs, or concepts from the case study to justify your conclusions.

Subject-wise Approach to Case Study Questions

Let’s explore how to approach case study questions in the subjects of Physics, Chemistry, and Biology.

In Physics case study questions, focus on understanding the principles and laws governing the given scenario. Analyze the data provided and apply relevant formulas and concepts to solve the problem. Consider factors such as motion, forces, energy, and electrical circuits, depending on the context of the case study.

Chemistry case study questions often involve analyzing chemical reactions, properties of substances, or experimental data. Pay attention to the details of the case study, such as reactants, products, conditions, and observations. Apply your knowledge of chemical reactions, bonding, and periodic trends to interpret and solve the problem.

Biology case study questions revolve around biological processes, organisms, and ecological relationships. Analyze the provided information, such as species interactions, environmental factors, or experimental results. Apply your understanding of biological concepts, such as genetics, evolution, ecosystems, and cellular processes, to address the questions effectively.

Importance of Practicing Case Study Questions

Practicing case study questions in Class 10 Science is crucial for several reasons:

• Application of knowledge: Case study questions enable you to apply scientific knowledge to real-life situations, enhancing your understanding and practical skills.
• Analytical thinking: Regular practice of case study questions hones your analytical thinking skills by challenging you to analyze complex scenarios and make informed decisions.
• Comprehensive understanding: Engaging with case studies offers a holistic understanding of scientific concepts, allowing you to grasp their practical implications and interconnections.
• Exam preparation: Practicing case study questions familiarizes you with the question patterns and formats commonly seen in Class 10 Science examinations, boosting your confidence and performance.

Case study questions offer a valuable opportunity to apply scientific knowledge in practical contexts. By engaging with these questions, you can develop critical thinking, problem-solving, and analytical skills necessary for success in Class 10 Science. Remember to carefully analyze the case study, apply your scientific understanding, and justify your answers with relevant evidence. Regular practice of case study questions will greatly enhance your overall performance in examinations.

Where can I find Class 10 Science case study questions?

You can download a comprehensive PDF resource containing Class 10 Science case study questions from schools.studyrate.in This resource is specifically designed to provide you with ample practice material.

Why is practicing case study questions important for exam preparation?

Regular practice of case study questions enhances your ability to apply scientific knowledge in practical contexts, improving your analytical thinking and problem-solving abilities. This ultimately contributes to better performance in Class 10 Science examinations.

How should I approach Class 10 Science case study questions?

Read the case study carefully, identify the problem or objective, and analyze the given information. Apply your scientific knowledge to address the questions and support your answers with relevant evidence.

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Case Based Questions for Class 10 Science PDF Download

Cbse case study questions for class 10 science.

If you are in search of case study questions for CBSE Class 10 Science, you have come to the right place. We are offering chapter-wise case study questions for CBSE Class 10 Science. These questions are based on passages given, and are designed to help students practice and improve their marks in the exam.

Chapter Wise CBSE Case Study Questions for Class 10 Science

Chapter Wise CBSE Case Study Questions for Class 10 Science are questions that are designed to test a student's understanding of scientific concepts and their ability to apply them to real-world situations. These questions are based on the chapters in the Class 10 Science syllabus and are typically presented in the form of a case study or a scenario.

• CBSE Case Study Questions: Chemical Reactions & Equations
• CBSE Case Study Questions: Acids, Bases & Salts 
• CBSE Case Study Questions: Metals & Non-metals 
• CBSE Case Study Questions: Carbon & Its compounds
• CBSE Case Study Questions: Life Processes
• CBSE Case Study Questions: Control & Coordination
• CBSE Case Study Questions: How do Organisms Reproduce?
• CBSE Case Study Questions: Heredity & Evolution
• CBSE Case Study Questions: Light- Reflection & Refraction
• CBSE Case Study Questions: The Human Eye & the Colourful World
• CBSE Case Study Questions: Electricity
• CBSE Case Study Questions: Our Environment
• CBSE Case Study Questions: Magnetic Effects of Current
• CBSE Case Study Questions: Sustainable Management of Natural Resources
• CBSE Case Study Questions: Periodic Classification of Elements
• CBSE Case Study Questions: Sources of Energy

Weightage of CBSE Case Study Questions in Class 10 Science

Why are Case Study Questions important in Science Class 10 ?

Case study questions are important in Science Class 10 for several reasons:

• Develops problem-solving skills:  Case study questions require students to apply their knowledge to solve real-world problems. This develops their problem-solving skills and helps them to think critically.
• Enhances analytical skills: Case study questions involve analyzing a given scenario or problem and applying scientific concepts to find a solution. This helps students to develop their analytical skills and improves their ability to apply scientific concepts to real-world situations.
• Improves retention and understanding:  Case study questions require students to apply the concepts they have learned in the chapter to solve problems. This helps them to better understand the concepts and retain them for a longer period.
• Enhances communication skills: Case study questions often require students to explain their thought process and reasoning. This improves their communication skills and helps them to articulate their ideas more clearly.
• Prepares for competitive exams: Case study questions are often included in competitive exams such as the Olympiad, NTSE, and JEE. Practicing case study questions in Class 10 Science helps students to prepare for these exams and enhances their chances of success.

Overall, case study questions are an effective way to engage students in Science Class 10 and develop their problem-solving, analytical, and communication skills. They also help students to apply scientific concepts to real-world situations and prepare them for higher-level science education.

Class 10 Science Curriculum at Glance

The Class 10 Science curriculum covers a wide range of topics that provide students with a solid foundation in scientific concepts. Here is a brief overview of the Class 10 Science curriculum:

• Chemical Reactions and Equations: Types of chemical reactions, balancing chemical equations, and the concept of oxidation and reduction.
• Acids, Bases, and Salts: Properties of acids and bases, pH scale, and preparation and properties of salts.
• Metals and Non-Metals:  Physical and chemical properties of metals and non-metals, their reactions with water, acids, and other substances, and corrosion of metals.
• Carbon and Its Compounds:  Covalent bonding in carbon compounds, properties of carbon compounds, and some important carbon compounds such as ethanol, ethanoic acid, and ethene.
• Periodic Classification of Elements: The history of the periodic table, modern periodic law, and the periodic trends in properties of elements.
• Life Processes:  Basic concepts of nutrition, respiration, transport, and excretion in living organisms, and their mechanisms.
• Control and Coordination:  The nervous system, the endocrine system, and their role in control and coordination in humans and other animals.
• How Do Organisms Reproduce?:  Reproduction in animals and plants, modes of reproduction, and reproductive health.
• Heredity and Evolution: Basic concepts of heredity, inheritance patterns, and the role of variations in evolution.
• Light - Reflection and Refraction: Reflection and refraction of light, spherical mirrors, lenses, and their applications.
• Human Eye and Colourful World:  The structure and functioning of the human eye, the correction of vision defects, and the concepts of dispersion and scattering of light.
• Electricity:  Electric current, electric potential, electric circuits, and the heating effect of electric current.
• Magnetic Effects of Electric Current:  Magnetic field, magnetic field lines, magnetic field due to a current-carrying conductor, and the concept of an electromagnet.
• Sources of Energy:  Different sources of energy, conventional and non-conventional sources of energy, and their advantages and disadvantages.
• Our Environment: Ecosystem, food chains and food webs, and environmental issues such as pollution and depletion of resources.
• Sustainable Management of Natural Resources: Conservation of natural resources, management of forests and wildlife, and sustainable management of resources.

The Class 10 Science curriculum provides a strong foundation in scientific concepts and prepares students for higher-level science education.

Students can also access CBSE Case Study Questions of all subjects of Class 10:

• CBSE Case Study Questions for Class 10 Mathematics  
• CBSE Case Study Questions for Class 10 Social Science SST  
• CBSE Case Study Questions for Class 10 English
• CBSE Case Study Questions for Class 10 Hindi
• CBSE Case Study Questions for Class 10 Sanskrit

Frequently Asked Questions (FAQs): CBSE Case Study Questions for Class 10 Science

What are case-based questions for class 10 science.

Case-based questions for Class 10 Science are problem-solving exercises that present real-world scenarios or situations using scientific concepts and require the student to analyze and apply their scientific knowledge and skills to solve the problem.

How can case-based questions for Class 10 Science help me prepare for my exams?

Case-based questions for Class 10 Science can provide a practical and interactive way for students to apply their scientific knowledge and skills to real-world scenarios. It can help students to understand the concepts better and improve their problem-solving abilities.

What types of topics are covered in case-based questions for Class 10 Science?

Case-based questions for Class 10 Science typically cover all the topics and chapters in the Class 10 Science curriculum, including physics, chemistry, and biology.

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Case Study Questions Class 10 Science

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Download Case study questions for CBSE class 10 Science in PDF format from the myCBSEguide App . We have the new pattern case study-based questions for free download. Class 10 Science case study questions

This article will guide you through:

What are case study questions?

• Sample Papers with Case Study questions
• Class 10 Science Case Study question examples
• How to get case-based questions for free?
• How to attempt the case-based questions in Science?

Questions based on case studies are some real-life examples. The questions are asked based on a given paragraph i.e. Case Study.  Usually, 4-5 questions are asked on the basis of the given passage. In most cases, these are either MCQs or assertion & reason type questions. Let’s take an example to understand. There is one paragraph on how nitrogen is generated in the atmosphere. On the basis of this paragraph, the board asks a few objective-type questions. In other words, it is very similar to the unseen passages given in language papers. But the real cases may be different. So, read this article till the end to understand it thoroughly.

What is CBE?

CBSE stands for competency-based education. The case study questions are part of this CBE. The purpose of CBE is to demonstrate the learning outcomes and attain proficiency in particular competencies.

Questions on Real-life Situations

As discussed the case study questions are based on real-life situations. Especially for grade 10 science, it is very essential to have the practical knowledge to solve such questions. Here on the myCBSEguide app, we have given many such case study paragraphs that are directly related to real-life implications of the knowledge.

Sample Papers with Case Study Questions

Class 10 Science Sample Papers with case study questions are available in the myCBSEguide App . There are 4 such questions (Q.No.17 to 20) in the CBSE model question paper. If you analyze the format, you will find that the MCQs are very easy to answer. So, we suggest you, read the given paragraph carefully and then start answering the questions. In some cases, you will find that the question is not asked directly from the passage but is based on the concept that is discussed there. That’s why it is very much important to understand the background of the case study paragraph.

CBSE Case Study Sample Papers

You can download CBSE case study sample papers from the myCBSEguide App or Student Dashboard. Here is the direct link to access it.

Case Study Question Bank

As we mentioned that case study questions are coming in your exams for the last few years. You can get them in all previous year question papers issued by CBSE for class 1o Science. Here is the direct link to get them too.

Class 10 Science Case Study Question Examples

As you have already gone through the four questions provided in the CBSE model question paper , we are proving you with other examples of the case-based questions in the CBSE class 10 Science. If you wish to get similar questions, you can download the myCBSEguide App and access the Sample question papers with case study-type questions.

Case-based Question -1

Read the following and answer any four questions: Salt of a strong acid and strong base is neutral with a pH value of 7. NaCl common salt is formed by a combination of hydrochloride and sodium hydroxide solution. This is the salt that is used in food. Some salt is called rock salt bed of rack salt was formed when seas of bygone ages dried up. The common salt thus obtained is an important raw material for various materials of daily use, such as sodium hydroxide, baking soda, washing soda, and bleaching powder.

• Phosphoric acid
• Carbonic acid
• Hydrochloric acid
• Sulphuric acid
• Blue vitriol
• Washing soda
• Baking soda
• Bleaching powder

Case-based Question -2

• V 1  + V 2  + V 3
• V 1  – V 2  +V 2
• None of these
• same at every point of the circuit
• different at every point of the circuit
• can not be determined
• 20 3 Ω 203Ω
• 15 2 Ω 152Ω

Case-based Question -3

• pure strips
• impure copper
• refined copper
• none of these
• insoluble impurities
• soluble impurities
• impure metal
• bottom of cathode
• bottom of anode

How to Attempt the Case-Based Questions in Science?

Before answering this question, let’s read the text given in question number 17 of the CBSE Model Question Paper.

All living cells require energy for various activities. This energy is available by the breakdown of simple carbohydrates either using oxygen or without using oxygen.

See, there are only two sentences and CBSE is asking you 5 questions based on these two sentences. Now let’s check the first questions given there.

Energy in the case of higher plants and animals is obtained by a) Breathing b) Tissue respiration c) Organ respiration d) Digestion of food

Now let us know if you can relate the question to the paragraph directly. The two sentences are about energy and how it is obtained. But neither the question nor the options have any similar text in the paragraph.

So the conclusion is, in most cases, you will not get direct answers from the passage. You will get only an idea about the concept. If you know it, you can answer it but reading the paragraph even 100 times is not going to help you.

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