Agronomy - Study Mode

[#796] For two equally competitive species, Aggressivity will be
Correct Answer

(A) 0

Explanation

Solution: Aggressivity is a measure of how much relative yield increase in one species is greater than that for another in any intercropping cultivation. An aggressivity value of zero indicates that both components species are equally competitive.

[#797] Greenhouse effect causes
Correct Answer

(D) Global warming

Explanation

Solution: The greenhouse effect is the phenomenon of warming of the earth's atmosphere because of the emission of greenhouse gases, which trap harmful U.V and infrared Solar Radiation. The main consequences of Green house effect increase in the temperature of the earth i.e. Global Warming which further leads to the melting of glaciers, a rise in Sea level, floods and famine, etc.

[#798] Directorate of Wheat Research (DWR) is located at
Correct Answer

(C) Karnal

Explanation

Solution: The directorate of Wheat Research (DWR) is located in Karnal, Haryana. It was moved from IARI, New Delhi to Karnal in the year 1990. It ensures the food security of India by increasing the productivity and profitability of wheat with the use of eco-friendly techniques.

[#799] In the world, viticulture, horticulture, sericulture are well developed in the?
Correct Answer

(C) Mediterranean region

Explanation

Solution: Viticulture, horticulture and sericulture are well developed in the Mediterranean region worldwide. The Mediterranean region is the area around the Mediterranean sea that has a Mediterranean climate, with mild to cool, rainy winters and warm to hot, dry summers, which supports forests, wildlife, woodland and scrub vegetation.

[#800] Pusa Sadabhar, Pusa Mausmi and Pusa Naubahar are the improved varieties of
Correct Answer

(D) Guar

Explanation

Solution: Pusa Mausami, Pusa naubahar, Pusa Sadabahar are the popular varieties of Guar (Cluster Beans). It is an annual legume and it grows well in semiarid areas, but frequent rainfall is necessary. It is a valuable plant in a crop rotation cycle, as it lives in symbiosis with nitrogen-fixing bacteria.