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51
Which among the following is the major cause of soil erosion and land degradation in South 24 Parganas?
Discuss
Answer & Solution
Answer: Option C
Solution:
Waterlogging, high salinity, very poor water retention capacity, tidal waves, coastal run off, excess siltation of rivers are main causes of soil erosion in coastal regions. These areas include North and South 24 Parganas, East Midnapore, Howrah and some parts of Hoogly districts.
52
Which among the following is a cause of massive soil erosion in West Bengal?
Discuss
Answer & Solution
Answer: Option D
Solution:
Landslides, deforestation, shifting cultivation and excess siltation in mountain rivers increases soil erosion of mountain and forest soil. Annual floods, waterlogging, prolonged wet and dry spells of rainfall, deforestation, faulty ways of cultivation are the main causes of soil erosion in delta plains. Poor water retention capacity of soil, prolonged dry periods resulting in droughts, deforestation, over grazing, leaching and seasonsal floods are main causes of soil erosion in the Western Plateau region. Waterlogging, high salinity, very poor water retention capacity, tidal waves, coastal run off, excess siltation of rivers are main causes of soil erosion in coastal regions.
53
When do the South-West monsoon winds blow in India?
Discuss
Answer & Solution
Answer: Option C
Solution:
The South-west monsoon winds blow in India from around 10-15 June till September.
54
West Bengal gets most of its rainfall from
Discuss
Answer & Solution
Answer: Option B
Solution:
The state gets 90% of its rainfall from Bay of Bengal branch of South-West monsoon. Around 10-15 June, the whole of West Bengal comes under the influence of South-West monsoon and heavy rainfall occurs in all parts of the state till September.
55
The summer monsoon normally arrives in South Bengal during
Discuss
Answer & Solution
Answer: Option C
Solution:
The state gets 90% of its rainfall from Bay of Bengal branch of South-West monsoon. Around 10-15 June, the whole of West Bengal comes under the influence of South-West monsoon and heavy rainfall occurs in all parts of the state till September.
56
The soil of the Sunderbans of West Bengal is
Discuss
Answer & Solution
Answer: Option B
Solution:
Clayey Saline Soil is found in Sunderbans and the coastal areas of West Bengal.
57
The soil of Bankura district in West Bengal is
Discuss
Answer & Solution
Answer: Option C
Solution:
Laterite Soil is found in the districts of Birbhum, Bardhaman, Bankura, Purulia, Midnapore, some areas of Barind and Mudhupur forest areas.
58
The soil at the foothills of the Darjeeling Himalayas is called
Discuss
Answer & Solution
Answer: Option B
Solution:
The soil at the foothills of the Darjeeling Himalayas i.e. 'the duars' is called Forest soil.
59
The monsoon reaches West Bengal in the month of ....... in the middle part (second fortnight) of the month.
Discuss
Answer & Solution
Answer: Option B
Solution:
The state gets 90% of its rainfall from Bay of Bengal branch of South-West monsoon. Around 10-15 June, the whole of West Bengal comes under the influence of South-West monsoon and heavy rainfall occurs in all parts of the state till September.
60
The climatic conditions caused by tropical cyclones in South and South-West of Bengal is known as
Discuss
Answer & Solution
Answer: Option C
Solution:
The climatic conditions caused by tropical cyclones in South and South-West of Bengal is known as Ashwiner Jhar as it mostly takes place during the Ashwin or autumn season.