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NCERT Solutions for Class 7 Science Chapter 7 Weather Climate and Adaptations of Animals to Climate

NCERT solutions for class 7 science chapter 7 weather climate and adaptations of animals to climate:

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

Answer:

The elements that determine the weather of a place are :

1.Temperature

2. Humidity

3. Rainfall

4. Water level

5. air pressure

6. Wind speed

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

Answer:

The maximum temperature is likely to occur in the afternoon during the day while the minimum temperature likely to occur in the morning during the day.

3. Fill in the blanks:

(i) The average weather taken over a long time is called ___________.

(ii) A place receives very little rainfall and the temperature is high throughout the year, the climate of that place will be ___________ and ___________ .

(iii) The two regions of the earth with extreme climatic conditions are ___________ and __________.

Answer:

(i) The average weather taken over a long time is called climate .

(ii) A place receives very little rainfall and the temperature is high throughout the year, the climate of that place will be dry and hot.

(iii) The two regions of the earth with extreme climatic conditions are desert and pole.

4 (a). Indicate the type of climate of the following areas:

Jammu and Kashmir: ____________________

Answer:

(a) Jammu and Kashmir: Moderate temperature and wet in summers and rainy, and wet and cold throughout winter.

4 (b). Indicate the type of climate of the following areas:

Kerala: __________________________

Answer:

(b) Kerala: Wet and hot (Coastal region)

4 (c). Indicate the type of climate of the following area:

Rajasthan: ____________________

Answer:

(c) Rajasthan: Hot and dry(desert region)

4. Indicate the type of climate of the following area:

(d) North-east India: _____________________________________

Answer:

(d) North-east India: Hot and wet.

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

Answer:

Weather changes frequently.

6. Following are some of the 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 skin

(vii) Wide and large paws (viii) Bright colours

(ix) Strong tails (x) Long and large beak

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

Answer:

(i) Diets heavy on fruits: Tropical rainforests

(ii) White fur: polar regions

(iii) Need to migrate: Both

(iv) Loud voice: Both

(v) Sticky pads on feet: polar regions

(vi) A layer of fat under skin: polar regions

(vii) Wide and large paws: polar regions

(viii) Bright colours: Tropical rainforests

(ix) Strong tails: Tropical rainforests

(x) Long and large beak: Tropical rainforests

7. The tropical rainforest has a large population of animals. Explain why it is so.

Answer:

The tropical rainforest has a large population of animals because of rain, warmth and a wide variety of plants.

8. Explain, with examples, why we find animals of certain kind living in particular climatic conditions.

Answer:

Animals need a particular environment to survive. All the animals have a different and certain environment which suits them to survive.

Example: A polar bear leaves in cold and snowy regions because they have a thick and fat layer of skin which protects them from cold. They cannot survive in the desert area. Similarly, camel leaves in the desert region, they cannot survive in cold regions.

Thus, animals of a certain kind live in particular climatic conditions.


8. Explain, with examples, why we find animals of certain kind living in particular climatic conditions.

9. How do elephant living in the tropical rainforest adapt itself?

Answer:

The elephant living in the tropical rainforest adapt itself in the following ways:

1. They use their trunk to pick food and to sense smell.

2. Its tusks are modified teeth which help them to tear bark of trees to eat.

3. Large ears help them to listen to sounds and get aware of the danger. Ears also help them to keep them cool in the hot and humid climate of the forest.

10. 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

Answer:

A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in tropical rain forests.

Thus,option (iv) is correct.

11. Which features adapt polar bears to live in extremely cold climate?

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

(ii) Thin skin, large eyes, a white fur.

(iii) A long tail, strong claws, white large paws.

(iv) White body, paws for swimming, gills for respiration.

Answer:

The features adapt polar bears to live in extremely cold climate are white fur, fat below the skin, a keen sense of smell.

Thus, option (i) is correct.

12. Which option best describes a tropical region?

(i) hot and humid

(ii) moderate temperature, heavy rainfall

(iii) cold and humid

(iv) hot and dry

Answer:

Tropical region hot and humid.

Thus, option (i) is correct.

Chapter No. Chapter Name
Chapter 1 NCERT solutions for class 6 Science Chapter 1 Food: Where Does It Come From?
Chapter 2 NCERT solutions for class 6 Science Chapter 2 Components of Food
Chapter 3 NCERT Solutions for class 6 science chapter 3 Fibre to Fabric
Chapter 4 NCERT Solutions for class 6 science chapter 4 Sorting Materials into Groups
Chapter 5 NCERT Solution for class 6 science chapter 5 Separation of Substances
Chapter 6 NCERT solutions for class 6 science chapter 6 Changes around Us
Chapter 7 NCERT solutions for class 6 science chapter 7 Getting to Know Plants
Chapter 8 NCERT Solutions for class 6 science chapter 8 Body Movements
Chapter 9 NCERT solutions for class 6 science chapter 9 The Living Organisms Characteristics and Habitats
Chapter 10 NCERT Solution for class 6 science chapter 10 Motion and Measurement of Distances
Chapter 11 NCERT solution for class 6 science chapter 11 Light, Shadows, and Reflections
Chapter 12 NCERT solutions for class 6 science chapter 12 Electricity and Circuits
Chapter 13 NCERT solutions for class 6 science chapter 13 Fun with Magnets
Chapter 14 NCERT Solution for class 6 science chapter 14 Water
Chapter 15 NCERT solutions for class 6 Science Chapter 15 Air Around Us
Chapter 16 NCERT Solutions for Class 6 Science Chapter 16 Garbage In, Garbage Out

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Best IIT JEE Coaching Institute in Delhi | NEET Coaching Institute in Delhi: Class 7 Science Chapter 7 Weather Climate and Adaptations of Animals to Climate
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