QUESTION BANK

CLASS VII SCIENCE

CHAPTER XII: EARTH, MOON, AND THE SUN

Direct Questions Assertion / Reason Correct / Incorrect HOTS Challenging

DIRECT QUESTIONS

The Earth rotates on its axis from:

A. East to West

B. West to East

C. North to South

D. South to North

Answer: B. West to East

The movement of the Earth around the Sun in a fixed path is called:

A. Rotation

B. Revolution

C. Resolution

D. Spin

Answer: B. Revolution

The time taken by the Earth to complete one rotation is:

A. 365 days

B. 24 hours

C. 12 hours

D. 1 month

Answer: B. 24 hours

The change of seasons on Earth is caused by:

A. Rotation of Earth

B. Revolution of Earth and the tilt of its axis

C. The distance from the Moon

D. The Moon's gravity

Answer: B. Revolution of Earth and the tilt of its axis

The Moon completes one revolution around the Earth in approximately:

A. 24 hours

B. 365 days

C. 27.3 days

D. 15 days

Answer: C. 27.3 days

The day-to-day changes in the appearance of the Moon as seen from Earth are called:

A. Cycles of Moon

B. Phases of the Moon

C. Faces of the Moon

D. Eclipses

Answer: B. Phases of the Moon

A solar eclipse occurs on a:

A. Full moon day

B. New moon day

C. Half moon day

D. Every Monday

Answer: B. New moon day

A lunar eclipse occurs when:

A. The Moon comes between the Sun and the Earth

B. The Earth comes between the Sun and the Moon

C. The Sun comes between the Earth and the Moon

D. The Moon disappears

Answer: B. The Earth comes between the Sun and the Moon

The imaginary line around which the Earth spins is called its:

A. Orbit

B. Axis

C. Equator

D. Longitude

Answer: B. Axis

The Moon does not have its own light; it shines because it:

A. Has fire on its surface

B. Reflects sunlight

C. Is made of glass

D. Reflects Earth's light

Answer: B. Reflects sunlight

The fixed elliptical path of a planet around the Sun is its:

A. Axis

B. Orbit

C. Path

D. Sector

Answer: B. Orbit

When the Moon is not visible at all, it is called:

A. Full Moon

B. New Moon (Amavasya)

C. Crescent Moon

D. Blue Moon

Answer: B. New Moon (Amavasya)

Day and night are caused by the:

A. Revolution of the Earth

B. Rotation of the Earth

C. Movement of the Sun

D. Rotation of the Moon

Answer: B. Rotation of the Earth

The tilt of the Earth's axis is approximately:

A. 90°

B. 45°

C. 23.5°

D. 0°

Answer: C. 23.5°

Which of the following is the largest member of the Solar System?

A. Earth

B. Moon

C. Sun

D. Jupiter

Answer: C. Sun

ASSERTION AND REASON

A. Both A and R are true and R is the correct explanation of A.

B. Both A and R are true but R is not the correct explanation of A.

C. A is true but R is false.

D. A is false but R is true.

Assertion (A): We always see the same side of the Moon.

Reason (R): The Moon's period of rotation and revolution around the Earth are almost the same.

Answer: A. Both A and R are true and R is the correct explanation of A.

Assertion (A): A leap year has 366 days.

Reason (R): Earth takes about 365 and 1/4 days to complete one revolution.

Answer: A. Both A and R are true and R is the correct explanation of A.

Assertion (A): Solar eclipses happen every month on New Moon day.

Reason (R): The orbits of the Earth and the Moon are slightly tilted relative to each other.

Answer: D. A is false but R is true.

Assertion (A): Life is possible on Earth because it has water and an atmosphere.

Reason (R): The Earth is the third planet from the Sun.

Answer: B. Both A and R are true but R is not the correct explanation of A.

CORRECT / INCORRECT STATEMENTS

Which of the following statements is INCORRECT?

A. The Sun is a star.

B. The Moon has no atmosphere.

C. The Earth is a perfect sphere.

D. A lunar eclipse occurs on a Full Moon day.

Answer: C. The Earth is a perfect sphere (It is an oblate spheroid).

Identify the CORRECT statement:

A. The Moon is a luminous object.

B. During a solar eclipse, the Earth's shadow falls on the Moon.

C. Tides in the ocean are mainly caused by the gravitational pull of the Moon.

D. Rotation causes seasons.

Answer: C. Tides in the ocean are mainly caused by the gravitational pull of the Moon.

HOTS (HIGHER ORDER THINKING SKILLS)

If the Earth stopped rotating, what would happen?

A. There would be no gravity.

B. One half of the Earth would have permanent day and the other permanent night.

C. The Earth would fly into the Sun.

D. Nothing would change.

Answer: B. One half of the Earth would have permanent day and the other permanent night.

Why do we not have an eclipse every month?

A. Because the Moon moves too fast.

B. Because the Moon's orbit is tilted, so the Sun, Earth, and Moon don't always align perfectly.

C. Because the Sun is too bright.

D. Because the Earth is too large.

Answer: B. Because the Moon's orbit is tilted, so the Sun, Earth, and Moon don't always align perfectly.

Why is the temperature on the Moon's surface very extreme (very hot during the day and very cold at night)?

A. Because it is closer to the Sun.

B. Because it has no atmosphere to trap heat or block direct sunlight.

C. Because it is made of metal.

D. Because it doesn't rotate.

Answer: B. Because it has no atmosphere to trap heat or block direct sunlight.

CHALLENGING QUESTIONS

The "Crescent" phase of the Moon occurs:

A. Just before and after a New Moon.

B. Only during a Solar Eclipse.

C. Exactly in the middle of the month.

D. On a Full Moon night.

Answer: A. Just before and after a New Moon.

What is the "Umbra" in an eclipse?

A. The partial shadow.

B. The darkest part of the shadow.

C. The glowing ring of light.

D. The surface of the Moon.

Answer: B. The darkest part of the shadow.

If you are standing on the Moon, the sky would appear:

A. Blue

B. Black

C. White

D. Red

Answer: B. Black (Due to lack of atmosphere to scatter light).