Class 7 Science
Model Question Paper – 1
Time: 2 Hours Max Marks: 40
Section A – MCQs (10 × 1 = 10 Marks)
1. Which gas is released by plants during photosynthesis?
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Hydrogen
2. Which part of plant helps in vegetative reproduction of potato?
A. Root
B. Leaf
C. Stem
D. Flower
3. Speed =
A. Time ÷ Distance
B. Distance ÷ Time
C. Distance × Time
D. Time × Speed
4. Which effect of electric current is used in electric bell?
A. Heating effect
B. Magnetic effect
C. Chemical effect
D. Sound effect
5. The top layer of a forest is called:
A. Forest floor
B. Understory
C. Canopy
D. Shrub layer
6. Water found below the Earth’s surface is called:
A. Rainwater
B. River water
C. Groundwater
D. Sea water
7. Which mirror shows lateral inversion?
A. Concave mirror
B. Convex mirror
C. Plane mirror
D. Spherical mirror
8. Decomposers include:
A. Lion
B. Deer
C. Bacteria
D. Grass
9. Wastewater flowing through drains is called:
A. Drinking water
B. Sewage
C. River water
D. Rainwater
10. The SI unit of speed is:
A. km/h
B. m/min
C. m/s
D. cm/s
Section B – Very Short Answer (5 × 2 = 10 Marks)
11. What is reproduction?
12. Define speed.
13. Name any two sources of water.
14. What is a food chain?
15. What is sewage?
Section C – Short Answer (4 × 3 = 12 Marks)
16. Explain vegetative reproduction with one example.
17. What is electric circuit? Name its components.
18. Explain the water cycle.
19. Write three importance of forests.
Section D – Long Answer (2 × 4 = 8 Marks)
20. Explain the process of sewage treatment.
21. Explain different types of motion with examples.
✅ ANSWER KEY
Section A – MCQs
1. B 2. C 3. B 4. B 5. C 6. C 7. C 8. C 9. B 10. C
Section B – Very Short Answers
11. Reproduction is the process by which living beings produce young ones.
12. Speed is the distance travelled per unit time.
13. Rain, rivers.
14. A food chain shows transfer of energy from plants to animals.
15. Wastewater flowing through drains is called sewage.
Section C – Short Answers
16. Vegetative reproduction is reproduction from plant parts like stem. Example: Potato.
17. Electric circuit is a complete path for current. Components: cell, wire, switch, bulb.
18. Water cycle includes evaporation, condensation and precipitation.
19. Forests provide oxygen, shelter and prevent soil erosion.
Section D – Long Answers
20. Sewage is treated in STP by screening, sedimentation, aeration and chlorination.
21. Types of motion: rectilinear, circular and periodic with suitable examples.
Shaktimatha CBSE Learning
Class 7 Science – Model Question Paper 1
No comments:
Post a Comment