Ncert exemplar solutions science class 7 Solutions for Chapter 7 weather climate and adaptations of animals of climate

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

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

Choose the odd one from the following options:

The coldest region on earth is the

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 large number of plants and animals in tropical rain forests.

Which of the following statement is incorrect for penguins?

Given below are some adaptive features of animals:

(i) 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?

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 –

Which of the following briefly describes the desert climate?

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

(a) highest day temperature and lowest night temperature of the day.

(b) highest day temperature and highest night temperature of the month.

(c) the temperature recorded at 12 noon and at midnight (00.00 hrs).

(d) the average highest temperature of the day and average lowest temperature of the night

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

(a) Changes in weather conditions in a year.

(b) The average weather pattern for many years.

(c) Change in the weather pattern in a few years.

(d) Weather conditions during summer.

Which of the following briefly describes the desert climate?

(a) Hot and humid

(b) Dry and humid

(c) Hot and dry

(d) Hot and wet

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 –

(a) temperate region

(b) tropical region

(c) polar region

(d) coastal region

Given below are some adaptive features of animals:

(i) 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?

(a) (i) onlyA layer

(b) (i) and (ii) only

(c) (i), (ii) and (iii) only

(d) (i), (ii), and (iv) only

Which of the following statement is incorrect for penguins?

(a) They huddle together

(b) They cannot swim

(c) They have webbed feet

(d) They have streamlined body

Read the following environmental conditions of tropical rain forests.

(i) A hot and humid climate

(ii) Unequal lengths of day and night

(iii) Abundant rainfall

(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.

(a) (i) and (ii)

(b) (i) and (iii)

(c) (i), (iii) and (iv)

(d) (ii) and (iv)

The coldest region on earth is the –

(a) polar region

(b) tropical region

(c) temperate region

(d) coastal region

Choose the odd one from the following options :

(a) A thick layer of fat under the skin

(b) White fur

(c) Long grasping tail

(d) Wide and large feet with sharp claws

“A fish dies when taken out of water whereas a wall lizard will die if kept underwater.” 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 the weather rather than climate.

(b) Since very few prey is 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: 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 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 the polar region and tropical rain forest

(iv) Maximum and minimum temperatures of the day

Fill in the blanks in the paragraph given below.

The 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, Gorilla, 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