SEE PRACTICE SET-3 (SCIENCE)

 

Class 10 Science – SEE Model Question Paper (2082)

Full Marks: 75
Time: 3 hours
Instructions:

• All questions are compulsory.

• Use proper units in numerical problems.

• Draw neat, labeled diagrams where required.

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Section A: Multiple Choice Questions (MCQs) – 15 Marks

(1 mark each; 15 questions)

1. The SI unit of force is:
   a) Joule
   b) Newton
   c) Pascal
   d) Watt

2. Which of the following is an acidic oxide?
   a) CO₂
   b) Na₂O
   c) MgO
   d) CaO

3. The functional unit of the kidney is:
   a) Alveolus
   b) Nephron
   c) Neuron
   d) Glomerulus

4. Which gas is mainly responsible for the greenhouse effect?
   a) Oxygen
   b) Carbon dioxide
   c) Nitrogen
   d) Hydrogen

5. Kinetic energy of a 2 kg body moving at 4 m/s is:
   a) 4 J
   b) 8 J
   c) 16 J
   d) 32 J

6. The main site of gas exchange in human lungs is:
   a) Bronchi
   b) Trachea
   c) Alveoli
   d) Diaphragm

7. Which metal is liquid at room temperature?
   a) Mercury
   b) Iron
   c) Sodium
   d) Aluminum

8. Converting a solid directly into a gas is called:
   a) Melting
   b) Sublimation
   c) Condensation
   d) Evaporation

9. The blood component responsible for clotting is:
   a) WBC
   b) RBC
   c) Platelets
   d) Plasma

10. The part of the brain that controls balance and coordination is:
    a) Cerebrum
    b) Cerebellum
    c) Medulla
    d) Hypothalamus

11. The rate of change of velocity is called:
    a) Speed
    b) Acceleration
    c) Momentum
    d) Force

12. Which of the following is a physical change?
    a) Rusting of iron
    b) Melting of ice
    c) Burning of paper
    d) Digestion of food

13. Which vitamin is produced in the skin under sunlight?
    a) Vitamin A
    b) Vitamin B
    c) Vitamin C
    d) Vitamin D

14. The unit of pressure in the SI system is:
    a) Newton
    b) Pascal
    c) Joule
    d) Watt

15. The process by which plants make food is:
    a) Respiration
    b) Photosynthesis
    c) Fermentation
    d) Transpiration

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Section B: Short Answer Questions – 30 Marks

(6 questions × 5 marks each)

1. Define acceleration and write its SI unit.

2. Differentiate between mass and weight.

3. Explain osmosis with an example.

4. Define isotopes and give one example.

5. Distinguish between aerobic and anaerobic respiration.

6. Name the hormone that regulates blood sugar levels and explain its function.

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Section C: Long Answer / Structured Questions – 30 Marks

(3 questions × 10 marks each)

1. A 3 kg body moves with a velocity of 5 m/s. Calculate:
   a) Its momentum
   b) Its kinetic energy
   c) Draw a labeled velocity-time graph if it stops in 5 seconds uniformly.

2. Draw a labeled diagram of the human kidney and explain the structure and function of nephron.

3. Explain the process of photosynthesis in detail. Draw a diagram of a leaf showing the main parts involved in photosynthesis.

                      

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