Class 7 Science
Model Question Paper – 2 (Higher Level)
Time: 2 Hours Max Marks: 40
Section A – MCQs (10 × 1 = 10 Marks)
1. Which of the following helps in pollination?
A. Roots
B. Wind
C. Soil
D. Water pipes
2. Which type of motion is shown by a clock pendulum?
A. Rectilinear
B. Circular
C. Periodic
D. Random
3. Which part of the flower becomes fruit?
A. Ovule
B. Ovary
C. Stamen
D. Sepal
4. Which effect of electric current is used in electric heater?
A. Magnetic effect
B. Chemical effect
C. Heating effect
D. Sound effect
5. Which one is a decomposer?
A. Tiger
B. Grass
C. Mushroom
D. Deer
6. Which of the following causes depletion of water table?
A. Rainfall
B. Rainwater harvesting
C. Overuse of groundwater
D. Planting trees
7. Lateral inversion occurs in:
A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Lens
8. Wastewater should not be released directly because:
A. It is colourless
B. It is costly
C. It causes diseases
D. It smells bad
9. Which gas is mainly responsible for respiration?
A. Nitrogen
B. Carbon dioxide
C. Oxygen
D. Hydrogen
10. Which layer of forest receives maximum sunlight?
A. Forest floor
B. Shrub layer
C. Understory
D. Canopy
Section B – Very Short Answer (5 × 2 = 10 Marks)
11. What is fertilisation?
12. Write the formula for speed.
13. What is groundwater?
14. Name any two uses of forests.
15. What is sludge?
Section C – Short Answer (4 × 3 = 12 Marks)
16. Explain self-pollination and cross-pollination.
17. What is electric fuse? Why is it important?
18. Explain the formation of a rainbow.
19. Write three methods of conserving water.
Section D – Long Answer (2 × 4 = 8 Marks)
20. Explain interdependence of plants and animals in a forest.
21. Describe the working of a sewage treatment plant.
✅ ANSWER KEY
Section A – MCQs
1. B 2. C 3. B 4. C 5. C 6. C 7. C 8. C 9. C 10. D
Section B – Very Short Answers
11. Fusion of male and female gametes.
12. Speed = Distance ÷ Time.
13. Water present below Earth’s surface.
14. Provide oxygen, shelter.
15. Solid waste settled at bottom during treatment.
Section C – Short Answers
16. Self-pollination occurs in same flower; cross-pollination occurs between two flowers.
17. Fuse is a safety device that protects appliances from excess current.
18. Rainbow is formed due to dispersion of sunlight by water droplets.
19. Rainwater harvesting, reuse of water, fixing leaks.
Section D – Long Answers
20. Plants provide food and oxygen; animals provide carbon dioxide and help in seed dispersal.
21. Sewage is cleaned by screening, sedimentation, aeration and chlorination.
Shaktimatha CBSE Learning
Class 7 Science – Model Question Paper 2
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