Agronomy - Study Mode
[#106] Which one of the following has organic form of sulphur
Correct Answer
(B) Cysteine
Explanation
Solution: Cysteine is a non-essential amino acid important for making protein, and for other metabolic functions. Cysteine has an organic form of Sulphur. It is the precursor or reduced Sulphur donor of the most other organic Sulphur compounds in plants.
[#107] The seed rate of rice cultivation in broadcasting and drilling method, respectively should be
Correct Answer
(A) 100, 60 kg/ha
Explanation
Solution: The seed rate of rice cultivation in broadcasting and drilling methods should be 100 kg/ha and 60 kg/ha respectively. Broadcasting of the seeds is the process of scattering seeds or fertilizer evenly over an area. Drilling is the method to prepare the field early and then control weeds using herbicides over winter, leaving a firm seed bed to direct drill the rice into the spring.
[#108] At the End Point of Titration of Organic Carbon Estimation colour changes
Correct Answer
(D) Blue to green
Explanation
Solution: At the end point of the titration of Organic Carbon estimation colour changes from blue to green. At this point, the addition of ferrous sulphate drop by drop until the colour changes sharply from blue - green to reddish - grey. The determination of soil organic carbon is based on the Walkley - Black chromic acid wet oxidation method. The reaction is assisted by the heat generated when two volumes of sulphuric acid are mixed with one volume of the dichromate.
[#109] Operation Flood III was launched during
Correct Answer
(C) 1985 - 1996
[#110] WMO is in
Correct Answer
(D) Geneva
Explanation
Solution: WMO stands for World Meteorological Organisation and is a specialized agency of the United Nations responsible for promoting international cooperation in atmospheric science, climatology, hydrology and geophysics. It was established on 23 rd March 1950 and headquartered in Geneva, Switzerland. The present president of WMO is Gerhard Adrian.