NSO Level 2- Science Olympiad (SOF) Class 6: Questions 62 - 64 of 100

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Passage

Read the given passage and answer the questions that follow.

The Polar Regions are covered with snow. There may also be snowfall in mountain regions during the winter. The trees growing on mountains are cone-shaped, with sloping branches. Many of them, such as pine, have sharp needle-like leaves. Animals living on mountains have thick skin or fur to protect themselves from cold, e. g. , yaks and snow leopards.

Question number: 62 (1 of 2 Based on Passage) Show Passage

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MCQ▾

Question

What other adaptation (s) of animals is/are observed in the colder areas?

Choices

Choice (4) Response

a.

Birds and mammals of colder areas are larger in size as compared to their equivalents in warmer areas. & Animals of colder areas have shorter extremities (e. g. , tail, ears, and feet) as compared to animals in warmer areas.

b.

Birds and mammals of colder areas are larger in size as compared to their equivalents in warmer areas.

c.

Animals of colder areas have shorter extremities (e. g. , tail, ears, and feet) as compared to animals in warmer areas.

d.

Birds of colder areas have broader wings.

Question number: 63 (2 of 2 Based on Passage) Show Passage

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Question

Why do pines have sharp needle-like leaves?

Choices

Choice (4) Response

a.

This reduces loss of water due to transpiration.

b.

This helps the snow to slide-off easily.

c.

This allows branches to carry loads of snow.

d.

This reduces chances of catching forest fire.

Question number: 64

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Appeared in Year: 2013

MCQ▾

Question

Match the following and select the correct option.

Table Of Assertion & Reason

Table Of Assertion & Reason

Assertion

Reason

(1) Woollen clothes are worn in cold weather.

(i) It has good absorbing quality.

(2) Jute is used to make containers for young saplings that can be planted directly.

(ii) It is a fluffy fibre.

(3) Silk is greatly prized.

(iii) It is hard, rough and brittle.

(4) Cotton is used to make wicks for oil lamps.

(iv) It has less air space

(5) Coir is used to make mats, ropes, floor coverings, etc.

(v) It is biodegradable.

(vi) It grows best in warm, humid climate with plenty of rainfall.

(vii) It gives shimmering appearance.

Choices

Choice (4) Response

a.

1-ii, 2-vii, 3-iii, 4-v, 5-iv

b.

1-ii, 2-v, 3-vii, 4-i, 5-iii

c.

1-iv, 2-iii, 3-vi, 5-ii

d.

1-i, 2-vi, 3-iv, 4-ii, 5-vii