Ncert Exemplar Solutions Class 7 Science Weather Climate and Adaptation of Animals to Climate

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Ncert Exemplar Solutions Class 7 Science Weather Climate and Adaptation of Animals to Climate

Welcome to NCTB Solutions. Here with this post we are going to help 7th class students for the Solutions of NCERT Exemplar Class 7 Science Book, Unit 7, Weather, Climate and Adaptation of Animals to Climate. Here students can easily find step by step solutions of all the problems for Weather, Climate and Adaptation of Animals to Climate, Also here our Science teacher’s are solved all the questions with easily understandable language with proper guidance so that all the students can understand easily.

Weather, Climate and Adaptation of Animals to Climate all Question Solutions :

Multiple Choice Questions :

Question no – (1)

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

Answer :

The correct answer is option – (a)

highest day temperature and lowest night temperature of the day.

Question no – (2)

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

Answer :

The appropriate answer is option – (b)

Average weather pattern of many years is the most appropriate definition of climate.

Question no – (3)

Which of the following briefly describes the desert climate?

Answer :

The answer is alternative – (c)

Hot and dry briefly describe the desert climate.

Question no – (4)

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 –

Answer :

The correct answer is option – (b)

The most likely location if this sanctuary is in the Tropical region.

Question no – (5)

Given below are some adaptive features of animals

Answer :

The appropriate option is – (d) (i), (ii), and (iv) only

The adaptive features of a polar bear are,

• Layer of fat under the skin

• Long, curved and sharp claws

• Thick white fur.

Question no – (6)

Which of the following statement is incorrect for penguins?

Answer :

The answer is option – (b)

The incorrect statement for penguins is they cannot swim.

Question no – (7)

Read the following environmental conditions of tropical rain forests.

Answer :

The correct option is – (c) (i), (iii) and (iv)

Hot and humid climate

Abundant rain fall

Abundant light and moisture – These conditions from the above list that are responsible for the presence of large number of plants and animals in tropical rain forests.

Question no – (8)

The coldest region on earth is the

Answer :

The correct option is – (a) polar region

The coldest region on earth is polar region.

Question no – (9)

Choose the odd one from the following options

Answer :

The correct option is – (c)

Here, the odd one is – Long grasping tail.

Very Short Answer Questions :

Question no – (10)

Solution :

Adaptation is the term that is used to describe such abilities that allow fish, Lizard and other animals to survive in their respective habitats.

Question no – (11)

Solution :

Frogs can live in water as well as on land.

Question no – (12)

Solution :

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

This statement is False.

Reason : It is hard to predict weather rather than climate.

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

This statement is False.

Reason : Since very few prey are available, polar bears need to have strong sense of smell.

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

This statement is True.

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

This statement is False.

Reason : Tropical rain forests are hot and humid throughout the year because of heavy rains all the time.

Question no – (13)

Solution :

(i) MATLICE → Climate.

(ii) AROPL → Polar

(iii) TREHMEOMRET → Thermometer.

(iv) UHIDYTMI → Humidity.

Short Answer Questions :

Question no – (14)

Solution :

(a) → (iv) Sticky pads on feet.

(b) → (ii) Streamlined body.

(c) → (i) Very sensitive hearing.

(d) → (iii) Silver-white mane.

Question no – (15)

Solution :

The weather of a place is so difficult to predict as weather of a place can vary extremely during a short period of time, it could rain at some time of the day and later have extremely sunlight. On the other hand climate is easy to predict because it is the average weather conditions that prevails at a particular place for a long long time.

Question no – (16)

Solution :

• The two animals that live in the polar region are Polar bear and Penguins.

• The two animals that live in the tropical rain forests are Red eyed frog and Toucan.

Question no – (17)

Solution :

The polar bears have two thick layer of fur and a layer of far under its skin. These features help polar bears to stay warm in the poles.

Question no – (18)

Solution :

The penguins have a streamlined body and webbed feet which helps them swimming.

Question no – (19)

Solution :

(i) The difference between weather and climate are :

• Weather : Weather is the day to day condition of a place considering the temperature, humidity, wind speed, rainfall etc. of that place.

• Climate : Climate is the average weather patterns that last over a long period at a particular place.

(ii) The difference between humidity and rainfall are as follows :

• Rainfall : Rainfall are the water drops that falls from the cloud in the form of rain.

• Humidity : Humidity is the amount of water vapor present in the atmosphere of a place at a given time.

(iii) The difference between climate in polar region and climate in tropical region are,

• Polar regions : The climate in polar regions is always cold with sometimes the temperature dropping upto – 37⁰C.

• Tropical regions : The climate in tropical regions is dry and humid.

(iv) The difference between maximum and minimum temperature of the day are

• Maximum temperature : Maximum temperature of a day means the highest temperature recorded during the day of a particular place.

• Minimum temperature : Minimum temperature of the days means the lowest temperature recorded during the day of a particular place.

Long Answer Questions :

Question no – (20)

Answer :

Weather of a place is the day-to-day condition of the Atmosphere with respect to Temperature, Humidity, Rainfall, Wind speed at that place, while climate is the Average weather pattern taken over many years.

Question no – (21)

Answer :

Tropical Rain Forest :

• Hot and humid climate.

• Days and night are almost equal

• In length throughout the year.

• Assam.

• Monkey.

• Gorilla.

• Western Ghats.

Polar Region :

• Greenland