61.
The acid rich mountain soil is good for which crop(s)?

62.
The 'nor-westers' are particularly good for which crops in West Bengal?

63.
Rainfall in West Bengal occurs due to summer monsoon by

64.
Pick the incorrect pair from the following given data.

65.
New alluvium soil present in Murshidabad district is also called

66.
In which season Bengal receives torrential rains and thunderstorms known as 'Kal-baisakhi'?

67.
If West Bengal receives light showers during cold weather season then it is due to

68.
Consider the following statements and find the correct one.
1. Prolonged wet and dry spells causes soil erosion in Central Bengal.
2. Spring season in Bengal experiences no rainfall and pleasant weather conditions.
3. Silviculture is a preventive measure of soil erosion in some districts of West Bengal.

69.
Consider the following statements about alluvial soil present in West Bengal.
1. Old alluvium is more fertile than new.
2. In Jalpaiguri it is called Terai soil.
3. It loses fertility due to river bank erosion.
Which of the following is true?

70.
Which wetland is located in Murshidabad district of West Bengal?