Weather, Climatic Changes & Adaptations Worksheet-1

Weather, Climatic Changes & Adaptations Worksheet-1

1. Choose the correct definition of climate.

(a) The day to day conditions of the atmosphere at a place

(b) The average weather pattern of a place taken over a long time

(c) The maximum and minimum temperature of the day at a given place

(d) Both The day to day conditions of the atmosphere at a place & The maximum and minimum temperature of the day at a given place

2. Why are cloudy nights warmer than clear nights?

(a) The clouds do not allow the heat radiating from the earth to escape

(b) Amount of the moisture in the air increases

(c) The clouds results in heavy rainfall at night

(d) Both The clouds do not allow the heat radiating from the earth to escape & The clouds results in heavy rainfall at night

3. What is the function of the part labelled as ‘X’ in the given figure?

(a) To protect the camel from its enemy

(b) To store fat to be used when food becomes scarce in the desert

(c) To provide a place to put the saddle on

(d) To allow the sand to slide off the body of the camel

4. The organism in the given figure has a flattened body shape. This characteristic helps the organisms to:

(a) Survive for a long period without food

(b) Crawl more quickly

(c) Camouflage itself

(d) Crawl between crevices and spaces easily

5. Which of the given adaptations of polar bear helps him to locate its prey?

(a) Very strong sense of smell

(b) Long, curved and sharp claws

(c) The white fur not easily visible in the snowy white background

(d) Layer of fat under skin

6. The given picture shows an aquatic plant. How does the plant adapt itself to its environment?

(i) Its roots contain air spaces to help it keep afloat.

(ii) It has leaves at the surface of the water to enable them to obtain sunlight.

(iii) It has waxy surface on the leaves to prevent water from collecting on them.

(a) Its roots contain air spaces to help it keep afloat. & It has leaves at the surface of the water to enable them to obtain sunlight.

(b) It has leaves at the surface of the water to enable them to obtain sunlight. & It has waxy surface on the leaves to prevent water from collecting on them.

(c) Its roots contain air spaces to help it keep afloat. & It has waxy surface on the leaves to prevent water from collecting on them.

(d) Its roots contain air spaces to help it keep afloat., It has leaves at the surface of the water to enable them to obtain sunlight. & It has waxy surface on the leaves to prevent water from collecting on them.

7. Which of the following statements are true about the given plants?

(a) Both of the plants have swollen leaf stalks

(b) Both are food producers

(c) Both are flowering plants

(d) Both have waxy leaves

8. The pictures below show the feet of four different birds.

Which is each type of feet adapted to do?

(a) To run on flat ground → (iii); To walk on muddy ground → (i); To grip prey → (ii); To scratch for worms → (iv)

(b) To run on flat ground → (ii); To walk on muddy ground → (iv); To grip prey → (i); To scratch for worms → (iii)

(c) To run on flat ground → (i); To walk on muddy ground → (iii); To grip prey → (iv); To scratch for worms → (ii)

(d) To run on flat ground → (iii); To walk on muddy ground → (i); To grip prey → (iv); To scratch for worms → (ii)

9. Tropical rainforests are

(a) Hot and dry                             (b) Hot and moist

(c) Cool and humid                      (d) Cool and windy

10. The bright red eyes of frog are adaptations for

(a) Clear visibility in the dense forest

(b) Camouflage

(c) Scaring the predators

(d) Hiding away from predation

11. If the maximum temperature recorded for the day is 36 °C and the maximum humidity is 92%, the weather is

(a) Hot and rainy                          (b) Cold and rainy

(c) Hot and humid                       (d) Hot and windy

12. Which of the following statement is correct?

(a) Weather conditions are temporary and can vary weekly.

(b) Maximum and minimum temperatures are recorded during the week ends.

(c) The day to day atmosphere conditions of a place is the climate of that place.

(d) Mumbai experiences a big difference in day and night temperatures.

Answer Key:

1. (b)
2. (a)
3. (b)
4. (d)
5. (a)
6. (b)
7. (b)
8. (d)
9. (b)
10. (c)
11. (c)
12. (a)