Agronomy - Study Mode

[#86] If Bulk density of a soil decreases, total porosity
Correct Answer

(A) Increases

Explanation

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.

[#87] Xerophytes are adapted to
Correct Answer

(C) Arid region

Explanation

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.

[#88] From where is Krishak Bharati magazine published?
Correct Answer

(B) CSA, University of Agriculture and Technology, Kanpur

Explanation

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.

[#89] Which one of the following fertilisers is least hygroscopic?
Correct Answer

(C) Diammonium phosphate

Explanation

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.

[#90] Indian Council of Agricultural Research (ICAR) was established in the year
Correct Answer

(A) 1929

Explanation

Solution: ICAR stands for Indian Council for Agricultural Research was established on 16 th 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).