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CBSE Worksheet-24

Class – VII Science (Weather, Climate and Adaptations of Animals to Climate)

1. Which is not a cold blooded animal?

a. Fish

b. Frog

c. Birds

d. Snakes

2. Blubber is found in

a. Polar bear

b. Penguin

c. Seals

d. Toucans

3. Climate of a place do not depends on

a. Temperature

b. Humidity

c. Altitude

d. Vegetation

4. Wet and dry bulb hygrometer is an instrument which measures

a. Maximum and minimum temperature.

b. Rainfall in a given period of time.

c. Predicts the rainfall.

d. The amount of humidity in the atmosphere

5. Match the following

Column A Column B

a. Thermometer i. amount of rainfall

b. Barometer ii. direction

c. Hygrometer iii. temperature

d. Rain gauge iv. pressure

e. Magnetic compass v. humidity.

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6. Fill in the blanks.

a. The average weather taken over a long time is called ----------------.

b. Two regions of the earth with extreme climatic conditions are ------- and ------.

c. Climate of a place having high rainfall is -------------.

d. Camel can cover about ---------- Km in a day.

e. Reptiles are -------------- animals.

7. How do elephants living in the tropical rainforest adapt itself?

8. Write the adaptive features of polar bear to live in extremely cold conditions.

9. How would you find out the climate of the area of a given region?

10. Following are the some characteristic of animals. Write the name of organism having

particular features:

a. White fur

b. Layer of fat under skin

c. Strong tails

d. Long and large beak

e. Need to migrate

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Answer key

1. c

2. c

3. d

4. d

5. (a) – (iii). (b) – (iv). (c) – (v), (d) – (i), (e) – (ii).

6. (a) Climate (b) poles, equator(c) tropical (d) 100 (e) cold blooded.

7. Elephants have adapted in Indian tropical rainforests as per the conditions of the

rainforest. Elephants keep moving their big ears to keep their body cool.

8. polar bear possesses following adaptive features:

a. Body covered with thick coat of white fur.

b. Thick layer of fat below fur.

c. Wide and large paws.

d. Strong sense of smell.

9. The climate of a place is arrived at after the weather of the place is analysed over long

period of time. Climate means the average pattern in which the weather of changes

from time to time.

10. (a) Penguin (b) Seals(c) Monkeys (d) Toucans (e) Siberian birds.