Weather Climate and Adaptations of Animals to Climate NCERT Solutions

NCERT Solutions For Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals To Climate prepared by the best subject-matter experts of SimplyAcad is provided below. The solutions offer deep knowledge of the concepts and ideas talked about in the chapter. Students can use these answers to prepare their notes and do regular revisions, it will ensure clarity and better understanding of the complicated topics the chapter holds. Students can further use this study material as a reference to write their answers in the exams and score maximum marks.

NCERT Solutions of Weather Climate and Adaptations of Animals to Climate Class 7

Q1. Name the elements that determine the weather of a place.

Ans: The temperature, humidity, rainfall, wind speed, etc., are the elements that determine the weather of a place.

Q2. When are the maximum and minimum temperatures likely to occur during the day?

Ans: The maximum temperature of the day generally occurs in the afternoon, and the minimum temperature occurs in the early morning.

Q3. Fill in the blanks:

(i) The average weather taken over a long time is called __________.
(ii) A place that receives very little rainfall and has a high temperature throughout the year will have a __________ and __________ climate.
(iii) The two regions of the earth with extreme climatic conditions are __________ and __________.

Ans:
(i) climate
(ii) hot, dry
(iii) polar, tropical regions

Q4. Indicate the type of climate of the following areas:

(a) Jammu and Kashmir:
(b) Kerala:
(c) Rajasthan:
(d) North-east India:

Ans:
(a) Jammu and Kashmir—Moderately hot and moderately wet climate.
(b) Kerala—Very hot and wet climate.
(c) Rajasthan—Hot and dry climate.
(d) North-east India—Wet climate (receives rain for a major part of the year).

Q5. Which of the two changes frequently, weather or climate?

Ans: Weather

Q6. The following are some characteristics of animals:

(i) Diets heavy on fruits
(ii) White fur
(iii) Need to migrate
(iv) Loud voice
(v) Sticky pads on feet
(vi) Layer of fat under the skin
(vii) Wide and large paws
(viii) Bright colors
(ix) Strong tails
(x) Long and large beak

Each characteristic indicates whether it is an adaptation for tropical rainforests or polar regions. Do you think that some of these characteristics can be adapted for both regions?

Ans:

• Tropical rainforests:
  (i) Diets heavy on fruits
  (iv) Loud voice
  (v) Sticky pads on feet
  (viii) Bright colors
  (ix) Strong tails
  (x) Long and large beak
• Polar regions:
  (ii) White fur
  (iii) Need to migrate
  (vi) Layer of fat under the skin
  (vii) Wide and large paws

Some characteristics, like (iii) Need to migrate and (vii) Wide and large paws, can be adapted for both regions, depending on the species and environmental factors.

Q7. The tropical rainforests have a large population of animals. Explain why it is so.

Ans: Because of continuous warmth and rain, the tropical region supports an enormous number and a wide variety of animals.

Q8. Explain with examples why we find animals of certain kinds living in particular climatic conditions.

Ans: Animals are adapted to survive in the conditions in which they live. Features and habits which help them to adapt to their surroundings are the result of evolution. To survive in a particular type of climate, animals must have certain adapted features. For example, animals in the polar region are adapted to the extremely cold climate. They have special characteristics, such as white fur, a strong sense of smell, a layer of fat under the skin, wide and large paws for swimming and walking in snow, etc.

Q9. How do elephants living in the tropical rainforests adapt themselves?

Ans: The elephant has adapted to the conditions of the rainforest in many remarkable ways. It has a trunk that it uses as a nose, giving it a strong sense of smell. The trunk is also used for picking up food. Its tusks are modified teeth that can tear the bark of trees, which the elephant loves to eat. Large ears help the elephant hear very soft sounds and also keep it cool in the hot, humid climate of the rainforest.

Q10. Choose the correct option which answers the following question:

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in: (i) Polar regions
(ii) Deserts
(iii) Oceans
(iv) Tropical rainforests

Ans: (iv) Tropical rainforests

Q11. Which features adapt polar bears to live in extremely cold climates?

(i) A white fur, fat below the skin, keen sense of smell.
(ii) Thin skin, large eyes, white fur.
(iii) A long tail, strong claws, white large paws.
(iv) White body, paws for swimming, gills for respiration.

Ans: (i) A white fur, fat below the skin, keen sense of smell.

Q12. Which option best describes a tropical region?

(i) Hot and humid
(ii) Moderate temperature, heavy rainfall
(iii) Cold and humid
(iv) Hot and dry

Ans: (i) Hot and humid