Solution of Chapter 7. Weather, Climate and Adaptation of Animals to Climate (NCERT - Exemplar Science Book)

The maximum and minimum temperature displayed daily in the weather bulletin refer to the –

Out of the given definitions, which is the most appropriate definition of climate?

Which of the following briefly describes the desert climate?

Paheli went to a wildlife sanctuary where she saw dense vegetation of trees, shrubs, herbs and also a variety of animals like monkeys, birds, elephants, snakes, frogs, etc. The most likely location of this sanctuary is in the –

Given below are some adaptive features of animals:

(i) A layer of fat under the skin

(ii) Long, curved and sharp claws

(iii) Slippery body

(iv) Thick white fur

Which of them are the adaptive features of a polar bear?

Which of the following statement is incorrect for penguins?

Read the following environmental conditions of tropical rain forests.

(i) Hot and humid climate

(ii) Unequal lengths of day and night

(iii) Abundant rain fall

(iv) Abundant light and moisture

Identify the conditions from the above list that are responsible for the presence of a large number of plants and animals in tropical rain forests.

The coldest region on earth is the –

Choose the odd one from the following options :

“A fish dies when taken out of water whereas a wall lizard will die if kept under water.” Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.

Give one example of an animal that can live both in water and on land.

State whether the following statements are True or False. Correct the false statements.

(a) It is easy to predict weather rather than climate.

(b) Since very few preys are available, the polar bear does not need to have a strong sense of smell.

(c) Penguins stick together to fight the cold polar climate.

(d) Tropical rain forests are cool and humid throughout the year because of heavy rains all the time.

Unscramble the following words using the hints given against them.

(i) MATLICE (Hint: weather pattern in a region over a period of time)

(ii) AROPL (Hint: coolest region on earth)

(iii) TREHMEOMRET (Hint: used to measure temperature)

(iv) UHIDYTMI (Hint: a feature of weather)

Match the animals mentioned in Column I with their characteristic features given in Column II.

Why is it difficult to predict the weather of a place while it is easy to predict its climate?

Name two animals each that live in the Polar region and Tropical rain forests.

Write two common adaptive features of a polar bear which help in keeping it warm.

Mention two adaptive features of penguin that help it in swimming.

Differentiate between:

(i) Weather and climate.

(ii) Humidity and rainfall

(iii) Climates of polar region and tropical rain forest

(iv) Maximum and minimum temperatures of the day

Fill in the blanks in the paragraph given below.

Weather of a place is the day-to-day condition of the (a)_____ with respect to ____(b)____, _____(c)______, ____(d)______, _____(e)______ at that place, while climate is the _____(f)______ weather pattern taken over many years.

Given below is a list of climatic conditions and some examples of animals. Read them carefully and place the items in the relevant columns as shown.

Penguin, Gorrila, Monkey, Reindeer, Assam, Greenland, Sun does not rise for six months, Hot and humid climate, Days and nights are almost equal in length throughout the year, Winter temperature around –37°C, Western Ghats