NCERT Solutions for Class 9 Social Science History Chapter 4
Social Science Class 9 History
Climate 4
Important NCERT Questions Based on new NCERT Books for Session 2022-2023
Questions No: 5
Describe the regional variations in the climatic conditions of India with the help of suitable examples.
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Regional climatic variations in India:
1. Northern Plains:
– Hot summers and cold winters.
– Example: Delhi experiences temperatures above 40°C in summer and below 5°C in winter.
2. Western Coast:
– Tropical wet climate with heavy monsoon rainfall.
– Example: Kerala receives abundant rainfall fostering lush greenery.
3. Eastern Coast:
– Tropical wet and dry climate with significant monsoon rainfall.
– Example: Chennai witnesses moderate to heavy rainfall during the northeast monsoon.
4. Northern Mountains:
– Alpine climate with snowy winters in higher altitudes.
– Example: Shimla in Himachal Pradesh experiences snowfall in winter and mild summers.
5. Western Deserts:
– Arid conditions with minimal rainfall.
– Example: Rajasthan faces scorching summers and desert landscapes due to low rainfall.
These regional differences in climate arise from geographical factors, monsoonal influences, and proximity to water bodies, leading to diverse weather patterns across India.
Indian Peninsular shows wide variations in climatic conditions across various regions. For example; during winter season, the temperature goes into negative in the Himalayan region. In the northwestern India, temperatures can range between zero degree to 15°C during winter. During the same season, the temperature in Chennai remains a comfortable 25°C. The same variation can be seen in summer as well, while the temperature in Rajasthan can hover around 47°C, it is a comfortable 30°C in Chennai.
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Despite an overall unity in the general pattern, there are perceptible regional variations in climatic conditions within the country. The two important elements, which cause these variations, are – temperature and precipitation.
For example, in summer, the mercury occasionally touches 50°C in some parts of the Rajasthan desert, whereas it may be around 20°C in Pahalgam in Jammu and Kashmir. On a winter night, the temperature at Drass in Jammu and Kashmir may be as low as minus 45°C. Tiruvananthapuram, on the other hand, may have a temperature of 20°C.