Agronomy MCQ Question and Answer | Agriculture MCQ Question

Vegetable oils are used for cooking or as food additives, for medical purposes, for cosmetics, or as fuel. Out of these vegetable oils, groundnut oil has the highest B.V. Due to its high smoke point or boiling point value, peanut oil is the clear oil and it is predominantly used for frying.

Soybean is a legume crop, that forms symbiotic association with rhizobium bacteria in the root area to form nodules for fixing atmospheric nitrogen. Soybean is mostly inoculated with Rhizobium japonicum.

Ploughing is the primary tillage operation used to loosen or turn the soil before seeding or planting. the main motive of ploughing is to turn over the uppermost layer of soil to bring fresh nutrients to the surface.
CRIDA (Central Research Institute for Dryland Agriculture) has classified tillage in accordance with the depth; 5 - 6 cm is regarded as shallow, 15 - 20 cm is medium and 25 - 30 cm is regarded as deep tillage.

If lime is added to acidic soil, it increases soil pH by up to 5.5 - 6.5. It also adds calcium and magnesium and reduces the solubility of aluminum and manganese in the soil. When soil pH reaches its optimum value, its fertility increases. Hence, it has a positive impact on soil fertility and nitrification.

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.

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)

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%.

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.

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.

"Warm season crop" means a Kharif crop that can withstand the optimum temperature of that area, but they grow well and produce a high yield when the temperature ranges between 30 and 38 degrees Celsius. This season's vegetables and crops require both warm soil and high temperatures. include cucumbers, melons, peppers, tomatoes, squash, etc.