Agronomy - Study Mode

[#786] The ration between crop ET and Pan ET, where the crop is raised on a large scale under optimum growing condition is called
Correct Answer

(B) Crop coefficient

Explanation

Solution: Crop evapotranspiration represents soil evaporation and the water used by a crop for growth and cooling purposes. The ratio between crop ET and Pan ET, where the crop is raised on a large scale under optimum growing conditions is called crop coefficient . Potential evapotranspiration is the evaporation and transpiration that potentially could occur if a field of the crop had an ideal unlimited water supply.

[#787] The alkaloid found in seeds and leaves of Leucanea leucocephala. Which limit their value as animal feed is
Correct Answer

(D) Mimosine

Explanation

Solution: Mimosine is the alkaloid found in seeds and leaves of Leucanea leucocephala. It is the toxic, non-protein amino acid that limits its value as animal feed. It causes alopecia, growth retardation, cataract, goiter, decreased fertility and mortality in non-ruminants.

[#788] In rice, Dapog seedlings would be ready for transplanting
Correct Answer

(A) 11 - 14 days

Explanation

Solution: Dapog method of growing rice seedlings in the nursery was first done in the Philippines. In this method, a dense stand of seedlings is raised without any contact with soil. By this method, Dapog seedlings are ready for transplanting in 11 - 14 days.

[#789] Spectrophotometer works on the principle of
Correct Answer

(B) Bears-Lambert Law

Explanation

Solution: A spectrophotometer is an instrument that measures the number of photons absorbed after it passes through the sample solution. It is based on Beer-Lambert Law which states that the amount of light absorbed is directly proportional to the concentration of the solute in the solution and the thickness of the solution under analysis.

[#790] Kalyan Sona is the variety of
Correct Answer

(C) Wheat

Explanation

Solution: Kalyan Sona is the semi-dwarf variety of Wheat developed in 1963. It is a double dwarf variety that possesses good yield, is disease resistant, and is cultivated all over India. Wheat is one of the oldest and most important cereal crops grown in a variety of soils.