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Question (1)

QN0031588

Which statement best explains why Earth appears blue when viewed from space?

(A) Most of Earth’s land is covered with blue rocks
(B) Nearly three-fourths of Earth’s surface is covered with water
(C) The atmosphere reflects only blue colour
(D) Oceans are the only landforms visible from space

Correct Answer: B

Explanation:

Earth appears blue because nearly three-fourths of its surface is covered with water.

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Question (2)

QN0031589

A student says, “All oceans are separated from each other by natural walls.” Which correction is most accurate?

(A) Oceans are completely separate water bodies
(B) Ocean boundaries are only conventions and seawater flows between them
(C) Oceans contain no living organisms
(D) Oceans are separated only by continents

Correct Answer: B

Explanation:

The boundaries of oceans are only human-made conventions and seawater flows between oceans.

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Question (3)

QN0031590

If a region has a large continuous expanse of land, it is called a:

(A) Island
(B) Ocean
(C) Continent
(D) Bay

Correct Answer: C

Explanation:

A large continuous expanse of land is called a continent.

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Question (4)

QN0031591

Arrange the oceans according to their size from largest to smallest:

(A) Atlantic → Pacific → Indian → Arctic → Southern
(B) Pacific → Atlantic → Indian → Southern → Arctic
(C) Indian → Pacific → Atlantic → Arctic → Southern
(D) Pacific → Indian → Atlantic → Arctic → Southern

Correct Answer: B

Explanation:

The order is Pacific, Atlantic, Indian, Southern and Arctic Ocean.

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Question (5)

QN0031592

A ship travelling across the Indian Ocean moves northward. Which landmass will it approach first?

(A) Africa
(B) Australia
(C) Asia
(D) Antarctica

Correct Answer: C

Explanation:

Asia forms the northern boundary of the Indian Ocean.

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Question (6)

QN0031593

India receives monsoon rainfall mainly because:

(A) Continents produce clouds
(B) Oceans provide moisture for rainfall
(C) Mountains stop all winds
(D) Rivers create rain clouds

Correct Answer: B

Explanation:

Oceans provide moisture that forms clouds and brings rainfall to continents.

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Question (7)

QN0031594

If the ocean ecosystem is damaged severely, which effect is most likely?

(A) Increase in freshwater supply
(B) Reduction in marine biodiversity
(C) Formation of new continents
(D) Complete stoppage of Earth's rotation

Correct Answer: B

Explanation:

Damage to oceans threatens marine plants and animals, reducing biodiversity.

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Question (8)

QN0031595

A country wants to reduce damage from tsunamis. Which step would be most useful?

(A) Increasing fishing activities
(B) Removing all coastal settlements
(C) Developing early warning systems
(D) Separating oceans on maps

Correct Answer: C

Explanation:

Early warning systems help protect people and property from tsunamis.

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Question (9)

QN0031596

Which combination correctly represents India’s location with respect to the Indian Ocean?

(A) Arabian Sea in east and Bay of Bengal in west
(B) Bay of Bengal in east and Arabian Sea in west
(C) Both seas in north
(D) Both seas in south

Correct Answer: B

Explanation:

The Arabian Sea lies to the west and Bay of Bengal lies to the east of India.

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Question (10)

QN0031597

If Europe and Asia are considered as one continent, the combined landmass is called:

(A) America
(B) Eurasia
(C) Gondwana
(D) Antarctica

Correct Answer: B

Explanation:

Europe and Asia together are called Eurasia.

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Question (1)

Which statement best explains why Earth appears blue when viewed from space?

Explanation:

Link:

Question (2)

A student says, “All oceans are separated from each other by natural walls.” Which correction is most accurate?

Explanation:

Link:

Question (3)

If a region has a large continuous expanse of land, it is called a:

Explanation:

Link:

Question (4)

Arrange the oceans according to their size from largest to smallest:

Explanation:

Link:

Question (5)

A ship travelling across the Indian Ocean moves northward. Which landmass will it approach first?

Explanation:

Link:

Question (6)

India receives monsoon rainfall mainly because:

Explanation:

Link:

Question (7)

If the ocean ecosystem is damaged severely, which effect is most likely?

Explanation:

Link:

Question (8)

A country wants to reduce damage from tsunamis. Which step would be most useful?

Explanation:

Link:

Question (9)

Which combination correctly represents India’s location with respect to the Indian Ocean?

Explanation:

Link:

Question (10)

If Europe and Asia are considered as one continent, the combined landmass is called:

Explanation:

Link:

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