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Question (11)

QN008589

Which of the following is an example of a structural adaptation?

(A) Sleeping at night
(B) Migration during winter
(C) Presence of gills in fish
(D) Learning a skill

Correct Answer: C

Explanation:

Gills are physical structures adapted for aquatic respiration.

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Question (12)

QN008590

Adaptations found in vertebrates mainly reflect

(A) Random body designs without function
(B) Responses to environmental challenges
(C) Lack of diversity
(D) Absence of evolution

Correct Answer: B

Explanation:

Adaptations help organisms survive environmental conditions.

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Question (13)

QN008591

A vertebrate living permanently in water would most likely possess

(A) Feathers and hollow bones
(B) Gills and fins
(C) Mammary glands and fur
(D) Thick claws and scales

Correct Answer: B

Explanation:

Aquatic vertebrates require structures for swimming and respiration.

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Question (14)

QN008592

Which adaptation directly reduces heat loss in cold environments?

(A) Gills
(B) Hollow bones
(C) Thick fur
(D) Fins

Correct Answer: C

Explanation:

Thick fur provides insulation against heat loss.

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Question (15)

QN008593

The relationship between structure and function is best illustrated by

(A) Feathers enabling flight
(B) Colour of rocks
(C) Shape of clouds
(D) Length of a day

Correct Answer: A

Explanation:

Feathers are structures that perform the function of aiding flight.

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Question (16)

QN008594

A bird species develops denser bones instead of hollow bones. Which ability is likely to decrease?

(A) Flight efficiency
(B) Digestion
(C) Blood circulation
(D) Vision

Correct Answer: A

Explanation:

Increased weight would make flight more difficult.

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Question (17)

QN008595

Which pair correctly matches adaptation with survival advantage?

(A) Gills — flight
(B) Fur — underwater respiration
(C) Fat storage — survival during scarcity
(D) Feathers — digestion

Correct Answer: C

Explanation:

Fat storage provides energy during periods of food shortage.

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Question (18)

QN008596

A scientist studying animal diversity notices that different body structures help organisms survive in different habitats. This observation supports the idea that

(A) Adaptations arise from structural changes
(B) All organisms should look alike
(C) Habitats do not influence survival
(D) Classification is unnecessary

Correct Answer: A

Explanation:

Structural changes can result in adaptations that improve survival.

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Question (19)

QN008597

Which vertebrate adaptation is specifically associated with nourishment of offspring?

(A) Gills
(B) Hollow bones
(C) Mammary glands
(D) Fins

Correct Answer: C

Explanation:

Mammary glands produce milk for young ones.

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Question (20)

QN008598

A fish transferred permanently to land would face the greatest difficulty because its

(A) Fins are colourful
(B) Gills are specialised for aquatic respiration
(C) Eyes are too small
(D) Body is streamlined

Correct Answer: B

Explanation:

Gills function effectively only in aquatic environments.

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Question (11)

Which of the following is an example of a structural adaptation?

Explanation:

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Question (12)

Adaptations found in vertebrates mainly reflect

Explanation:

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Question (13)

A vertebrate living permanently in water would most likely possess

Explanation:

Link:

Question (14)

Which adaptation directly reduces heat loss in cold environments?

Explanation:

Link:

Question (15)

The relationship between structure and function is best illustrated by

Explanation:

Link:

Question (16)

A bird species develops denser bones instead of hollow bones. Which ability is likely to decrease?

Explanation:

Link:

Question (17)

Which pair correctly matches adaptation with survival advantage?

Explanation:

Link:

Question (18)

A scientist studying animal diversity notices that different body structures help organisms survive in different habitats. This observation supports the idea that

Explanation:

Link:

Question (19)

Which vertebrate adaptation is specifically associated with nourishment of offspring?

Explanation:

Link:

Question (20)

A fish transferred permanently to land would face the greatest difficulty because its

Explanation:

Link:

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