Agronomy MCQ Question and Answer | Agriculture MCQ Question

Gujarat is the highest producing state of groundnut also the area under cultivation of groundnut is also the highest in India.
Gujarat accounts for 40% of total groundnut production in the country. The groundnut crop area of the state increased to 20 lakh hectares and approximate production was around 33 lakh tons in the year 2020 - 21.

La Nina is an oceanic and atmospheric phenomenon that is the colder counterpart. It is a Spanish term that means "the girl". It is a climatic pattern that describes the cooling of surface ocean waters along the tropical west coast of South America. In India, it generally increases monsoon rainfall.

The mat type nursery is related to paddy cultivation, in this type seedlings are established in a layer of soil mix, arranged on a firm surface. From this nursery, the seedlings are ready for planting in fields within 14 - 20 days after seeding.

Deep ploughing of soil in groundnut is avoided as it makes harvesting difficult.
Timely field preparation facilitates timely sowing which ensures higher yield.
Initial ploughing should be carried out at optimum moisture range to get better tilth. After an initial ploughing wait for 4 - 5 days to reduce the moisture content of the cold and subsequent ploughing and harrowing better physical condition of soil could be obtained with fewer operations.

Urea is the chemical fertilizer used in plants as a source of nitrogen in the form of amide, which is an essential nutrient crucial for plants' growth and development.
Urea is the most used and important nitrogenous fertilizer in the country because of its high nitrogen content (46%).
The amide form of nitrogen is converted into ammonical form and then to nitrates in the presence of soil microorganisms.

Crop rotation or intercropping is defined as a system of growing different crops in succession on the same land. It maintains the fertility of the soil with the rotation of absorption of a set of nutrients. It also reduces reliance on one set of nutrients, pest and weed pressure and the probability of developing resistant pests and weeds.

Canola has Erucic Acid in the tune of less than 2%. Erucic acid is a monosaturated omega-y fatty acid present in oil-rich seeds of the Brassicaceae family of plants.
Erucic acid is not harmful to use in small doses, but at higher levels may be a risk to the human body.

Nitrification is the process of converting ammonia into nitrite or nitrate, with the help of soil microorganisms with the consumption of oxygen.
Nitrification is the aerobic process performed by the group of autotrophic bacteria and archaea.

Lens esculenta is the scientific name of Lentil a type of pulse that belongs to the family of legumes. It is an annual plant known for its lens-shaped seeds.
Lentils have the second highest ratio of protein to food energy of any legume after soybeans. It contains carotenoids, lutein and polyunsaturated fatty acids.

Dolomite is the sedimentary carbonate rock that contains a high percentage of the mineral, MgCO₃CaCO₃. Chemically it is an anhydrous double carbonate mineral composed of calcium and magnesium carbonate.
The mineral dolomite crystallizes in the trigonal-rhombohedral system. It forms white, tan, grey or pink crystals.