Agronomy - Study Mode
[#81] Bollworm is a pest of
Correct Answer
(D) Cotton
Explanation
Solution: Bollworm is the insect of a cotton boll. It attacks the fruiting bodies of certain crops, especially cotton. The larva of the bollworm damages bolls and squares by chewing holes into the base of bolls.
[#82] Internal Centre for Maize and Wheat Research (CIMMYT) is located at
Correct Answer
(C) Mexico
Explanation
Solution: Internal Centre for Maize and Wheat Research (CIMMYT) is located in Mexico. It is non-profit research for a development organization that develops improved varieties of wheat and maize to contribute to food security and innovates agricultural practices to help boost production, prevent crop disease and improve smallholder farmer's livelihoods.
[#83] World water day is celebrated on . . . . . . . . in every year.
Correct Answer
(C) 22 nd March
Explanation
Solution: Every year on 22 nd March, world water Day is celebrated since 1993. Its main motive is to raise awareness among people about the importance of fresh water. The day is used to advocate for the sustainable management of fresh water resources.
[#84] The N fertilizer use efficiency in rice can be increased by using
Correct Answer
(D) Both A and B
Explanation
Solution: The N fertilizer use efficiency in Rice can be increased by using S-coated urea as well as Urea super granules. Along with the application of specific fertilizers, water irrigation management, and molecular breeding are the factors for improving nitrogen efficiency in rice.
[#85] 'A' value concept was given by
Correct Answer
(D) Fried and Dean
Explanation
Solution: ‘A’ value concept is given by Fried and Dean in 1952 . It is the phenomenon when a plant is confronted with two sources of a given nutrient, the plant will absorb from each of these in proportion to the respective amounts available.