NEET BIOLOGY

Detailed explanation-1: -Drought is an extended period of unusually dry weather when there is not enough rain. The lack of precipitation can cause a variety of problems for local communities, including damage to crops and a shortage of drinking water.

Detailed explanation-2: -If the pattern and precipitation deficits last for more than six months, it is typically considered long-term drought. It is possible to have short-term changes that result in wet spells during a drought and for wet conditions to be interrupted by weather patterns that result in short-term drought.

Detailed explanation-3: -To a meteorologist, a drought is a prolonged period when precipitation is less than normal. To a water manager, a drought is a deficiency in water supply that affects water availability and water quality. To a hydrologist, a drought is an extended period of decreased precipitation and streamflow.

Detailed explanation-4: -(b) Seasonal drought: This drought can be expected in each year. These droughts are resulted from large seasonal air circulation changes. Agriculture is possible during the rainy season or with the use of irrigation in the dry season. Regions of seasonal drought have well defined rainy and dry seasons.