MCQ Question for Class 7 Science (CBSE) – 25 Important Multiple Choice Questions with Answers

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Practice 25 important MCQ questions for Class 7 Science (CBSE) with answers and explanations. Perfect mock test for quick revision and exam preparation.

Introduction

Are you preparing for your Class 7 Science exam? This MCQ mock test is specially designed for CBSE students to help you revise important concepts in a quick and effective way. These multiple choice questions cover key topics from the Class 7 Science syllabus and will help improve your understanding, accuracy, and confidence. Attempt all questions carefully before checking the answers. Let’s test your knowledge and boost your exam preparation!

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Mock Test Details

Class: 7th
Subject: Science
Board: CBSE
Total Questions: 25

Instructions:

• Try to solve all questions before checking answers
• Each question has four options
• Answers are hidden inside “Show Answer”
• Read each question carefully

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Questions

Q1. The process of taking nutrients by an organism and using them is called:

A) Respiration
B) Nutrition
C) Excretion
D) Digestion

Show Answer

Answer: B) Nutrition

Explanation: Nutrition is the process by which living organisms take food and use it for growth and energy.

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Q2. Which part of a plant prepares food?

A) Root
B) Stem
C) Leaf
D) Flower

Show Answer

Answer: C) Leaf

Explanation: Leaves contain chlorophyll and prepare food by photosynthesis.

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Q3. The breaking down of food into simpler substances is called:

A) Digestion
B) Absorption
C) Respiration
D) Circulation

Show Answer

Answer: A) Digestion

Explanation: Digestion breaks complex food into simpler substances that the body can absorb.

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Q4. Which vitamin is obtained from sunlight?

A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D

Show Answer

Answer: D) Vitamin D

Explanation: Our body produces Vitamin D when skin is exposed to sunlight.

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Q5. The process of reproduction in plants by seeds is called:

A) Vegetative propagation
B) Germination
C) Pollination
D) Fertilization

Show Answer

Answer: B) Germination

Explanation: Germination is the process by which a seed grows into a new plant.

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Q6. Which gas is essential for respiration?

A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen

Show Answer

Answer: A) Oxygen

Explanation: Oxygen helps break down food to release energy during respiration.

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Q7. The largest organ in the human body is:

A) Heart
B) Brain
C) Skin
D) Liver

Show Answer

Answer: C) Skin

Explanation: Skin covers the entire body and is the largest organ.

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Q8. The transfer of pollen from anther to stigma is called:

A) Fertilization
B) Germination
C) Pollination
D) Reproduction

Show Answer

Answer: C) Pollination

Explanation: Pollination is the transfer of pollen grains to the stigma.

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Q9. Which instrument is used to measure temperature?

A) Barometer
B) Thermometer
C) Hygrometer
D) Ammeter

Show Answer

Answer: B) Thermometer

Explanation: A thermometer is used to measure temperature.

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Q10. Animals that eat only plants are called:

A) Carnivores
B) Herbivores
C) Omnivores
D) Scavengers

Show Answer

Answer: B) Herbivores

Explanation: Herbivores feed only on plants.

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Q11. The main source of energy for Earth is:

A) Moon
B) Stars
C) Sun
D) Wind

Show Answer

Answer: C) Sun

Explanation: The Sun provides heat and light energy to Earth.

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Q12. The green pigment in leaves is called:

A) Hemoglobin
B) Chlorophyll
C) Melanin
D) Iodine

Show Answer

Answer: B) Chlorophyll

Explanation: Chlorophyll helps plants prepare food using sunlight.

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Q13. The process of loss of water from leaves is called:

A) Transpiration
B) Respiration
C) Photosynthesis
D) Absorption

Show Answer

Answer: A) Transpiration

Explanation: Transpiration is the loss of water in the form of vapor from leaves.

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Q14. Which organ pumps blood in the body?

A) Brain
B) Lung
C) Heart
D) Kidney

Show Answer

Answer: C) Heart

Explanation: The heart pumps blood to all parts of the body.

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Q15. The habitat of a camel is:

A) Forest
B) Desert
C) Mountain
D) Ocean

Show Answer

Answer: B) Desert

Explanation: Camels are adapted to live in deserts.

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Q16. Which of these is a conductor of electricity?

A) Plastic
B) Rubber
C) Copper
D) Wood

Show Answer

Answer: C) Copper

Explanation: Copper allows electricity to pass through it.

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Q17. The boiling point of water is:

A) 0°C
B) 50°C
C) 100°C
D) 150°C

Show Answer

Answer: C) 100°C

Explanation: Water boils at 100°C at normal atmospheric pressure.

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Q18. The process by which plants make their own food is:

A) Respiration
B) Digestion
C) Photosynthesis
D) Transpiration

Show Answer

Answer: C) Photosynthesis

Explanation: Plants prepare food using sunlight, carbon dioxide, and water.

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Q19. Which component of blood fights diseases?

A) RBC
B) WBC
C) Platelets
D) Plasma

Show Answer

Answer: B) WBC

Explanation: White Blood Cells help fight infections.

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Q20. The fixed path of a planet is called:

A) Axis
B) Orbit
C) Rotation
D) Revolution

Show Answer

Answer: B) Orbit

Explanation: Planets move around the Sun in a fixed path called an orbit.

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Q21. The process of changing liquid into vapor is called:

A) Condensation
B) Evaporation
C) Freezing
D) Melting

Show Answer

Answer: B) Evaporation

Explanation: Evaporation is the change of liquid into vapor.

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Q22. The basic unit of life is:

A) Tissue
B) Organ
C) Cell
D) Atom

Show Answer

Answer: C) Cell

Explanation: All living organisms are made up of cells.

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Q23. Which of these is a non-renewable resource?

A) Sunlight
B) Wind
C) Coal
D) Water

Show Answer

Answer: C) Coal

Explanation: Coal takes millions of years to form and cannot be replaced quickly.

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Q24. The movement of Earth on its axis is called:

A) Revolution
B) Rotation
C) Orbit
D) Reflection

Show Answer

Answer: B) Rotation

Explanation: Rotation of Earth causes day and night.

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Q25. Which part of the digestive system absorbs digested food?

A) Stomach
B) Small intestine
C) Large intestine
D) Mouth

Show Answer

Answer: B) Small intestine

Explanation: The small intestine absorbs nutrients into the blood.

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Conclusion

Great job attempting this Class 7 Science MCQ mock test! Regular practice of multiple choice questions helps improve accuracy and time management. Keep revising important concepts and practice more tests to score high in your CBSE exams. Stay confident and keep learning!

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FAQs

1. How can I score good marks in Class 7 Science MCQs?

Practice regularly, understand concepts clearly, and revise important topics before exams.

2. Are MCQs important for CBSE Class 7 Science?

Yes, MCQs help test conceptual clarity and are commonly asked in school exams.

3. How many MCQs should I practice daily?

Practicing 20–30 MCQs daily is helpful for strong preparation.

4. What is the best way to revise Science quickly?

Revise key definitions, diagrams, formulas, and practice mock tests regularly.

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