Chapter 7 Weather, Climate and Adaptations of Animals to Climate

Worksheet for class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals to Climate

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Questions and answers for CBSE class 7 science Chapter 7 Weather, Climate and Adaptations of Animals to Climate Set-1

1) Because of the hospitable climatic conditions, the maximum diversity of plants and animals is found in

(a) temperate grasslands.

(b) deserts.

(c) tropical rainforests.

(d) north and south poles.

Answer: (c) tropical rainforests.

Explanation. The climatic conditions in the tropical rainforests are highly suitable for supporting an enormous number and variety of plants and animals. The region has continuous warmth and rain, maintained throughout the year.

2) Due to intense competition in tropical rainforests, the animals adapt themselves to the surroundings. One such adaption shown by the red-eyed frog is the development of

(a) long and sticky tongue.

(b) long and grasping feet.

(c) coloured body.

(d) sticky pads on its feet.

Answer: (d) sticky pads on its feet.

Explanation. The red-eyed frog has developed sticky pads on its feet to help it climb the trees on which it lives. This is an adaptation to overcome intense competition in tropical rainforests.

3) The big cats have thick skin and sensitive hearing to protect them from

(a) Cold.

(b) Predators.

(c) Rain.

(d) prey.

Answer: (b) predators.

Explanation. Many tropical animals have sensitive hearing. Big cats like lions and tigers have thick skin and sensitive hearing to protect them from predators.

4) In winters, the Siberian crane which comes from Siberia migrates to different states in India like

(a) Punjab and Haryana.

(b) Madhya Pradesh and Punjab.

(c) Rajasthan and Haryana.

(d) Uttar Pradesh and Orissa.

Answer: (c) Rajasthan and Haryana.

Explanation. The Siberian crane that comes from Siberia migrates to India at places like Bharatpur in Rajasthan and Sultanpur in Haryana.

5) The climate of the Northeast region in India is 

(a) Wet.

(b) Hot.

(c) Cold.

(d) Dry.

Answer: (a) wet.

Explanation. Northeastern India receives rain for a major part of the year. Therefore, the climate of the northeast is wet.

6) Sweating increases at

(a) high temperature and dry weather.

(b) high temperature and humid weather.

(c) low temperature and dry weather.

(d) low temperature and humid weather.

Answer: (b) high temperature and humid weather.

Explanation. High temperature and increased humidity results in a higher rate of sweating or perspiration which does not evaporate, thus making it very uncomfortable for people living in such areas.

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