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Question (21)

QN001781

The autumn equinox in the Northern Hemisphere occurs around

(A) 1 April
(B) 23 September
(C) 21 June
(D) 25 December

Correct Answer: B

Explanation:

Autumn equinox occurs around 23 September.

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Question (22)

QN001782

A student claims that summer occurs because Earth comes much closer to the Sun. This statement is

(A) Correct
(B) Partially correct
(C) Incorrect
(D) True only in India

Correct Answer: C

Explanation:

Seasons are mainly due to Earth’s tilt, not distance.

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Question (23)

QN001783

The Earth is actually closest to the Sun around

(A) January
(B) June
(C) September
(D) October

Correct Answer: A

Explanation:

Earth is closest to the Sun in January.

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Question (24)

QN001784

The same amount of sunlight heats the Northern Hemisphere more in June because the sunlight is spread over

(A) A larger area
(B) A smaller area
(C) The oceans only
(D) Mountain regions only

Correct Answer: B

Explanation:

Concentrated sunlight heats a smaller area more.

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Question (25)

QN001785

If Earth’s axis were not tilted, the most likely result would be

(A) No day and night
(B) No seasons
(C) No Moon
(D) No sunrise

Correct Answer: B

Explanation:

Tilt is necessary for seasons.

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Question (26)

QN001786

On the Equator, day and night are generally

(A) 24 hours each
(B) 18 hours and 6 hours
(C) About 12 hours each throughout the year
(D) Completely irregular

Correct Answer: C

Explanation:

Equatorial regions receive nearly equal day and night.

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Question (27)

QN001787

Southern states of India experience less extreme seasonal changes mainly because they are

(A) Close to deserts
(B) Near the Equator
(C) Covered by snow
(D) Far from oceans

Correct Answer: B

Explanation:

Areas near the Equator have mild seasonal changes.

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Question (28)

QN001788

Which community used patterns of stars to predict the arrival of monsoon rains?

(A) Bhil and Pawara communities
(B) Roman traders
(C) Mughal armies
(D) Greek sailors

Correct Answer: A

Explanation:

These communities used stars as seasonal indicators.

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Question (29)

QN001789

If the Earth required 730 days to complete one revolution, one year would last approximately

(A) 24 hours
(B) 365 days
(C) 730 days
(D) 100 days

Correct Answer: C

Explanation:

One revolution defines one year.

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Question (30)

QN001790

A student notices that Orion appears overhead at 8 PM today. After several months, the constellation appears overhead at a different time mainly because of

(A) Earth’s revolution
(B) Volcanic eruptions
(C) Ocean currents
(D) Earth’s shrinking size

Correct Answer: A

Explanation:

Revolution changes the visible night sky over months.

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Question (21)

The autumn equinox in the Northern Hemisphere occurs around

Explanation:

Link:

Question (22)

A student claims that summer occurs because Earth comes much closer to the Sun. This statement is

Explanation:

Link:

Question (23)

The Earth is actually closest to the Sun around

Explanation:

Link:

Question (24)

The same amount of sunlight heats the Northern Hemisphere more in June because the sunlight is spread over

Explanation:

Link:

Question (25)

If Earth’s axis were not tilted, the most likely result would be

Explanation:

Link:

Question (26)

On the Equator, day and night are generally

Explanation:

Link:

Question (27)

Southern states of India experience less extreme seasonal changes mainly because they are

Explanation:

Link:

Question (28)

Which community used patterns of stars to predict the arrival of monsoon rains?

Explanation:

Link:

Question (29)

If the Earth required 730 days to complete one revolution, one year would last approximately

Explanation:

Link:

Question (30)

A student notices that Orion appears overhead at 8 PM today. After several months, the constellation appears overhead at a different time mainly because of

Explanation:

Link:

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