Agronomy - Study Mode
[#951] Biuret content in urea should not exceed . . . . . . . . according to fertilizer control order, 1957
Correct Answer
(B) 1.5%
Explanation
Solution: Urea is the most commonly used fertilizer as a source of nitrogen, but excess use of urea harms plants and also humans after consuming those products. Hence, the British Fertilizer Regulation in 1973 declared that urea used in agriculture should not have more than 1.5% biuret in it. Biuret is the toxic component of urea.
[#952] At present, Director General of ICAR (Indian Council of Agricultural Research) is
Correct Answer
Dr. Punjab Singh
Explanation
Solution: The current Director General of ICAR (Indian Council of Agricultural Research) is Dr. Mangi Lal Jat. He also serves as the Secretary of the Department of Agriculture Research and Education (DARE)
[#953] Idea of super rice was given by
Correct Answer
(B) G. S. Khush
Explanation
Solution: Super rice is a variety that can produce high and stable yields with low resources like water, nutrients and pesticides under adverse conditions. Dr. G. S. Khush 1994 announced super rice. It has the potential to increase the yields by 25%.
[#954] First irrigation commission in India was appointed during
Correct Answer
(A) 1901
Explanation
Solution: The British viceroy of India, Lord Curzon, appointed Sir Volvin Scott Moncrieff as the chairman of the Irrigation Commission to draw up a comprehensive plan in 1901. This idea was brought up by Lord Curzon because of family conditions prevailing at that time.
[#955] Salts in the xylem ducts of the root are carried upward with
Correct Answer
(B) Transpiration stream
Explanation
Solution: Xylem is the conducting tissue of plants that carries water to all parts of the plants from the root area. Salts from roots are also carried in dissolved form through xylem ducts and reach the top parts of the plant with the help of the transpiration pull created by the plant. Transpiration pull is created because of the loss of water by the process of transpiration.