BIOLOGY IN HUMAN WELFARE
IMPROVEMENT IN FOOD PRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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growing new plants in the desert.
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using the date palm trees to build houses.
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putting water on to dry land so that crops will grow well.
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None of the above
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Detailed explanation-1: -To irrigate is to water crops by bringing in water from pipes, canals, sprinklers, or other man-made means, rather than relying on rainfall alone. Places that have sparse or seasonal rainfall could not sustain agriculture without irrigation.
Detailed explanation-2: -Irrigation is the process of supplying water in fields through manmade sources like wells, under-ground water, small and big dams etc. The main reason for the development of agriculture in Gujarat is the increase in irrigation facilities.
Detailed explanation-3: -Water is applied through small bore perforated pipes on or near to the soil surface. They give a much more efficient use of water than sprinklers or rain guns and are often used in perennial horticultural crops or vineyards.
Detailed explanation-4: -The supply of water to crops at regular intervals is called irrigation. It differs from one crop to the next, from one soil to the next, and from one season to the next.
Detailed explanation-5: -The different types of irrigation include-sprinkler irrigation, surface irrigation, drip irrigation, sub-irrigation and manual irrigation.