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Agronomy MCQ Question and Answer | Agriculture MCQ Question

Agronomy MCQ Question and Answer with easy explanations in Agriculture mcq. Agronomy MCQ section is suitable for aspirants preparing for IBPS- AFO (Agriculture Field Officer) Iffco, Kribhco, NFL, NSC, ICAR-JRF/SRF/ ARS, IARI, SADO, DDA,ADA,FCI,ASRB,B.Sc Agriculture and M.SC Agriculture. Page-10 section-8

Each section contains 100 MCQs on Agronomy .
91
Bollworm is a pest of
Discuss
Answer & Solution
Answer: Option D
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.
92
Internal Centre for Maize and Wheat Research (CIMMYT) is located at
Discuss
Answer & Solution
Answer: Option C
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.
93
World water day is celebrated on . . . . . . . . in every year.
Discuss
Answer & Solution
Answer: Option C
Solution:
Every year on 22nd 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.
94
The N fertilizer use efficiency in rice can be increased by using
Discuss
Answer & Solution
Answer: Option D
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.
95
'A' value concept was given by
Discuss
Answer & Solution
Answer: Option D
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.
96
If Bulk density of a soil decreases, total porosity
Discuss
Answer & Solution
Answer: Option A
Solution:
Porosity is the unoccupied space in the soil or the percent by volume of a soil sample that is unoccupied by the soil particles. Porosity is directly related to bulk density and particle density.
If the bulk density of soil decreases, the total porosity of the soil increases, that is it is inversely proportional to each other.
97
Xerophytes are adapted to
Discuss
Answer & Solution
Answer: Option C
Solution:
Xerophytes are such a group of plants, that are adapted to live in the Arid region, dry or physiologically dry habitat, like a salt march, saline soil or acid body.
They have a specific mechanism within themselves to prevent water loss or to store available water. Example: Succulents like cacti, agave, etc have thick, fleshy stems or leaves to store water in them.
98
From where is Krishak Bharati magazine published?
Discuss
Answer & Solution
Answer: Option B
Solution:
Krishak Bharti magazine is published by Rajju Gujjar of CSA University of agriculture and Technology, Kanpur.
It is a monthly magazine based on agriculture, horticulture, aquaculture, and other cooperative farming skills for the farmers and to empower rural India.
99
Which one of the following fertilisers is least hygroscopic?
Discuss
Answer & Solution
Answer: Option C
Solution:
Diammonium phosphate (DAP) is the world's most widely used Phosphorus fertilizer which is the least hygroscopic among all the given options, which means it is less likely to absorb moisture from the air, whereas urea, Ammonium sulphate and CAN are more likely to absorb moisture from the air when left open.
100
Indian Council of Agricultural Research (ICAR) was established in the year
Discuss
Answer & Solution
Answer: Option A
Solution:
ICAR stands for Indian Council for Agricultural Research was established on 16th July 1929. It is an autonomous body responsible for coordinating agricultural education and research in India.
Trilochan Mohapatra is the present Director of ICAR.
The Union Minister of Agriculture serves as its president. And it reports to the Department of Agricultural Research and Education (DARE).