NCERT Solutions for Class 7 Science Chapter 7

NCERT Solutions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals of Climate in English Medium or अध्याय 7 मौसम, जलवायु तथा जलवायु के अनुरूप जंतुओं द्वारा अनुकूल in हिंदी मीडियम free in PDF file or View online without downloading.

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NCERT Solutions for Class 7 Science Chapter 7

Class: 7Science (English and Hindi Medium)
Chapter 7:Weather, Climate and Adaptations of Animals of Climate

Class 7 Science Chapter 7 Answers

CBSE NCERT Solutions for Class 7 Science Chapter 7 Weather, Climate and Adaptations of Animals of Climate is given below in updated form based on latest NCERT Books 2020-21. Visit to Discussion Forum to ask your doubts. Download Class 7 all subjects Apps for session 2020-21 in Hindi and English Medium for offline use.




Class 7 Science Chapter 7 Solution and Complete Explanation

Class 7 Science Chapter 7 Solution and Explanation
Class 7 Science Chapter 7 Explanation in Hindi

Important Questions on 7th Science Chapter 7 for Practice

1. 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) only
(b) (i) and (ii) only
(c) (i), (ii) and (iii) only
(d) (i), (ii), and (iv) only
2. 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) temperature recorded at 12 noon and at mid night (00.00 hrs).
(d) average highest temperature of day and average lowest temperature of night.
3. 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
4. Out of the given definitions, which is the most appropriate definition of climate?
(a) Changes in weather conditions in a year.
(b) Average weather pattern of many years.
(c) Change in weather pattern in a few years.
(d) Weather conditions during summer.
5. The coldest region on earth is the –
(a) polar region
(b) tropical region
(c) temperate region
(d) coastal region
6. 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
7. Choose the odd one from the following options:
(a) Thick layer of fat under the skin
(b) White fur
(c) Long grasping tail
(d) Wide and large feet with sharp claws
8. 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
9. 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.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (i), (iii) and (iv)
(d) (ii) and (iv)



Answers of Important Questions (MCQ)

1 (d)
2 (a)
3 (b)
4 (b)
5 (a)
6 (c)
7 (c)
8 (b)
9 (c).



Important NCERT Questions Class 7 Science Chapter 7

उन घटकों के नाम बताइए, जो किसी स्थान के मौसम को निर्धारित करते हैं।
तापमान, आर्द्रता, वर्षा, हवा की गति, वायु दबाव, आदि मौसम को निर्धारित करने वाले तत्व हैं। क्योंकि इन तत्वों का उपयोग करके किसी स्थान का मौसम निर्धारित किया जा सकता है।
When are the maximum and minimum temperatures likely to occur during the day?
The maximum temperature of the day occurs generally in the afternoon while the minimum temperature occurs generally in the early morning.
Fill in the blank: The average weather taken over a long time is called ___________.
The average weather taken over a long time is called climate of the place.
रिक्त स्थानों की पूर्ति कीजिए: चरम जलवायवी परिस्थितियों वाले पृथ्वी के दो क्षेत्र _______________ और _______________ हैं।
चरम जलवायवी परिस्थितियों वाले पृथ्वी के दो क्षेत्र ऊष्णकटिबंधीय और ध्रुवीय हैं।
जम्मू एवं कश्मीर की जलवायु का प्रकार बताइए।
जम्मू एवं कश्मीर
वर्ष में कुछ समय के लिए मध्यम गर्म और आर्द्र जलवायु, सर्दियों में अत्यधिक ठंड।
मौसम और जलवायु में से किसमें तेज़ी से परिवर्तन होता है?
मौसम में तेज़ी से परिवर्तन होता है।
The tropical rainforest has a large population of animals. Explain why it is so.
In tropical rainforest days and nights are almost equal in length throughout the year. The temperature of these region varies from 15°C to 40°C during the year. These regions get plenty of rainfall. Because of continuous warmth and rain, this region supports wide variety of plants and animals. The climatic conditions in rainforests are highly suitable for supporting an enormous number and a variety of animals. That is why the tropical rainforest has a large population of animals.
Explain, with examples, why we find animals of certain kind living in particular climatic conditions.
Animals are adapted to the conditions in which they live. These adaptations are the just because of long process of evolution. It would be difficult for them to survive if they are moved to region having different climate conditions than from their habitat. Consider the following examples:
A polar bear has thick layer of fat under their skin which acts heat insulator. It protects the bear from extreme cold climate of polar region. The polar bear cannot survive if it is moved to hot and dry desert region.
Monkeys have long tails for grasping branches adapted to live in tropical rain forests. It cannot survive in Polar Regions.
ऊष्णकटिबंधीय वर्षावनों में रहने वाला हाथी किस प्रकार अनुकूलित है?
इसने कई उल्लेखनीय तरीकों से स्वयं को वर्षावनों की स्थितियों के अनुकूल बनाया है। यह अपनी सूंड का उपयोग नाक के रूप में करता है जिसके कारण इसमें सूँघने की तीव्र क्षमता होती है। भोजन लेने के लिए भी सूंड उपयोग किया जाता है। इसके अलावा, इसके संशोधित दो बड़े-बड़े दांत हैं जो उन पेड़ों की छाल को फाड़ सकते हैं जिन्हें हाथी खाना पसंद करता है। इसलिए, हाथी भोजन की प्रतियोगिता में खरा उतरता है। हाथी के बड़े कान इसे बहुत धीरे आवाज को भी सुनने में मदद करते हैं। कान हाथी को वर्षावन के गर्म और नम जलवायु में ठंडा रखने में भी मदद करते हैं।

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