MCQ on Solar Radiation

1. What is solar radiation?
(a). Heat emitted by the earth
(b). Energy from the sun
(c). Reflection of light from the Moon
(d). Artificial light source

Answer
           B

2. What is the primary structure of the Sun?
(a). Gasoline
(b). Solid rock
(c). Hot plasma
(d). Water vapor

Answer
           C

3. How does solar radiation reach the Earth?
(a). By gravitational pull
(b). Through nuclear fusion
(c). By magnetic field
(d). Through the space shuttle

Answer
           B

4. What is the role of solar radiation in photosynthesis?
(a). It stops the process
(b). It has no effect
(c). It provides necessary energy
(d). It slows down the growth of plants

Answer
           C

5. What effect does solar radiation have on weather patterns?
(a). No effect
(b). Minimal impact
(c). Deep impact
(d). Affects only temperature

Answer
           C

6. How have human activities affected the solar radiation balance?
(a). They have no effect
(b). They have reduced solar radiation
(c). They have upset its balance
(d). They have increased solar radiation

Answer
           C

7. What does ‘insolation’ mean?
(a). Incoming solar radiation
(b). Outgoing solar radiation
(c). Internal solar radiation
(d). Indirect solar radiation

Answer
           A

8. Which factor does not affect the distribution of insolation?
(a). Latitude
(b). Atmospheric conditions
(c). Height
(d). Seasonal

Answer
           C

9. How does the Earth’s tilt affect insolation?
(a). It has no effect
(b). It causes seasonal changes
(c). It reduces solar energy
(d). It increases solar energy

Answer
           B

10. What is surface albedo?
(a). Depth of the earth’s crust
(b). Reflectivity of the Earth’s surface
(c). The temperature of the Earth’s core
(d). Earth’s rotation speed

Answer
           B

11. How does solar radiation heat the Earth’s atmosphere through conduction?
(a). Through vertical movement of hot air
(b). Through direct contact between surfaces
(c). Through horizontal air movement
(d). Through reflection from clouds

Answer
           B

12. Which process produces convection currents in the atmosphere?
(a). Radiation
(b). Operations
(c). Reflection
(d). Vertical movement of hot air

Answer
           D

13. Which process redistributes heat vertically in the atmosphere?
(a). Operations
(b). Convection
(c). Radiation
(d). Reflection

Answer
           B

14. What drives horizontal air movement in the atmosphere?
(a). Convection currents
(b). Gravity
(c). Reflection from surfaces
(d). Difference in pressure

Answer
           D

15. What is the conclusion regarding solar radiation in the article?
(a). It has no effect on the earth
(b). It is harmful to the environment
(c). It sustains life and regulates climate
(d). It is a recent phenomenon

Answer
           C

16. Which of the following is not a role of solar radiation?
(a). Promote plant growth
(b). Shaping climate patterns
(c). Cooling of the Earth’s atmosphere
(d). Sustaining life on Earth

Answer
           C

17. What is the primary source of solar radiation?
(a). Moon
(b). Stars
(c). Ravi
(d). Planet

Answer
           C

18. How do atmospheric components interact with solar radiation?
(a). They absorb solar energy equally
(b). They reflect all solar energy
(c). They have no exposure to solar radiation
(d). They cause changes in transmission and absorption properties

Answer
           D

19. What effect does Earth’s orbital eccentricity have on insolation?
(a). It increases insolation evenly
(b). It has no effect on insolation
(c). It causes seasonal variation in insolation
(d). It reduces insolation

Answer
           C

20. What is the primary process by which solar radiation heats the Earth’s atmosphere?
(a). Operations
(b). Convection
(c). Radiation
(d). Reflection

Answer
           C

21. How does solar radiation affect ocean currents?
(a). It has no effect
(b). This causes evaporation of sea water
(c). It controls the movement of ocean currents
(d). It reduces the temperature of the sea.

Answer
           C

22. What is the importance of understanding solar radiation for future generations?
(a). No importance
(b). It helps in increasing pollution
(c). It helps in preserving the environment
(d). It contributes to global warming

Answer
           C

23. Which factor does not affect the intensity and distribution of insolation?
(a). Earth’s magnetic field
(b). Surface albedo
(c). Angle of incidence
(d).Tilt of the earth

Answer
           A

24. Which process is not involved in heating and cooling the Earth’s atmosphere?
(a). Operations
(b). Convection
(c). Radiation
(d). Condensation

Answer
           D

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