Best 35+ MCQs of “Eclipses: Lunar Eclipse and Solar Eclipse”
1. An obscuring of the light from one celestial body by the passage of another between it and the observer is called:
Correct Answer: C. Eclipse
Explanation: An eclipse occurs when one celestial body blocks the light of another.
2. When one heavenly body moves into the shadow of another heavenly body, it is called:
Correct Answer: B. Eclipse
Explanation: An eclipse happens when one body passes into the shadow of another.
3. How many types of eclipses occur on Earth?
Correct Answer: B. 2
Explanation: There are two main eclipses on Earth: solar and lunar.
4. The first type of eclipse is:
Correct Answer: B. Lunar Eclipse
Explanation: The first type of eclipse is the lunar eclipse when Earth’s shadow falls on the Moon.
5. The second type of eclipse is:
Correct Answer: A. Solar Eclipse
Explanation: The second type of eclipse is solar eclipse as the first type is lunar eclipse.
6. When Earth blocks the sunlight and casts its shadow on the Moon, it is called:
Correct Answer: B. Lunar Eclipse
Explanation: A lunar eclipse happens when Earth comes between the Sun and the Moon, blocking sunlight.
7. A lunar eclipse occurs only when there is:
Correct Answer: C. Full Moon
Explanation: Lunar eclipses occur during a full moon because the Earth, Sun, and Moon align.
8. Why does a lunar eclipse not happen on every full moon?
Correct Answer: B. The Earth’s orbit is tilted
Explanation: Because the Moon’s orbit is tilted about 5° to Earth’s orbit, eclipses don’t occur every full moon.
9. The shadow of Earth cast on the Moon, making it lose sunlight, is called:
Correct Answer: B. Lunar Eclipse
Explanation: In a lunar eclipse, the Moon moves into Earth’s shadow and loses direct sunlight.
10. A lunar eclipse occurs when:
Correct Answer: B. Earth comes between Sun and Moon
Explanation: The Earth must be positioned between the Sun and Moon for a lunar eclipse to occur.
11. The darkest part of Earth’s shadow, where light is completely blocked, is called:
Correct Answer: A. Umbra
Explanation: Umbra is the darkest region of the shadow where no sunlight reaches.
12. The lighter outer part of Earth’s shadow, where light is partially blocked, is called:
Correct Answer: B. Penumbra
Explanation: Penumbra is the faint shadow around the umbra where sunlight is only partially blocked.
13. How many types of lunar eclipses are there?
Correct Answer: B. 3
Explanation: There are three types of lunar eclipses: penumbral, partial, and total.
14. When the Moon only passes through Earth’s penumbra, it is called:
Correct Answer: C. Penumbral Lunar Eclipse
Explanation: A penumbral lunar eclipse occurs when the Moon moves only through Earth’s penumbra.
15. When part of the Moon passes through Earth’s umbra, it is called:
Correct Answer: B. Partial Lunar Eclipse
Explanation: A partial lunar eclipse occurs when only a portion of the Moon enters the umbra.
16. When the entire Moon passes through Earth’s umbra, it is called:
Correct Answer: A. Total Lunar Eclipse
Explanation: A total lunar eclipse happens when the whole Moon moves into Earth’s umbral shadow.
17. When the Moon comes between the Earth and the Sun, blocking sunlight fully or partly, it is called:
Correct Answer: B. Solar Eclipse
Explanation: A solar eclipse happens when the Moon blocks sunlight reaching Earth.
18. During a solar eclipse, the Moon casts a shadow on Earth, consisting of:
Correct Answer: B. Umbra and Penumbra
Explanation: The Moon’s shadow on Earth has two parts—umbra (dark) and penumbra (light).
19. The darkest part of the Moon’s shadow, where the Sun is completely blocked, is:
Correct Answer: B. Umbra
Explanation: Umbra is the region where the Sun is totally hidden during a solar eclipse.
20. The lighter part of the Moon’s shadow, where the Sun is partly blocked, is:
Correct Answer: B. Penumbra
Explanation: Penumbra is the faint shadow where the Sun is only partially blocked.
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