Agronomy MCQ Question and Answer | Agriculture MCQ Question

Out of the following options SSP is the fertilizer that supplies three essential plant nutrients.
SSP is single superphosphate, the first commercial mineral fertilizer. It contains 3 major nutrients namely Phosphorus (14.5%), Sulphur (11%) and Calcium (21%).
SSP helps in promoting root growth and improves soil texture.

Nipping is a special practice in agriculture that involves plucking apical buds of the crops like gram. The main aim behind this practice is to stop apical growth and promotes lateral branching, which helps the plant produces more pods and flowers and increased yield.

Golden Rice is a variety of rice produced through genetic engineering. It biosynthesizes beta-carotene, a precursor of vitamin A in edible parts of rice. That is why Golden rice is considered a rich source of Vitamin A.
Vitamin A deficiency causes Xeropthalmia, a condition such as night blindness. Thus, it can be given as a substitute to fulfill the need for vitamin A in our body.

Paddy crops can be successfully grown under water-logged conditions because the needed oxygen is supplied from the follies part of the paddy to the roots. The Rice plant is adapted to waterlogging by forming aerenchyma and a barrier to radial oxygen loss in the roots.

Alkali soils are clay soils with high pH greater than 8.5. Alkali soil is a poor soil structure and a low infiltration capacity. Beans, Beet, Cauliflower, Garlic, kale and pea are the vegetables that can be grown in alkaline soils.
Whereas some crops increase the alkalinity of the soil and paddy is one of them.

Maize is a cereal grain first domesticated by indigenous people in Southern Mexico.
Maize has shown tremendous growth over the years especially since 2006 - 07, after the adoption of single cross hybrids, high quality seeds and improved technologies in the field. Out of 234 cultivars of maize, 132 are hybrids developed since 1961.
Sangam is one of the hybrid varieties of maize.

Groundnut belongs to the family legume and it has a variety of both nodulating as well as non-nodulating phenotypes. Non-nodulating lines of groundnut lines lack Root hairs while root hairs are observed at the site of lateral root emergence in nodulating groundnut.

CPRI stands for Central Potato Research Institute and it is headquartered in Kufri, Shimla. It was shifted to Shimla in 1956 from Patna Bihar. There is a network of seven regional stations also which helps to carry overall the functioning of the institute.
Its primary mandate is to undertake basic, strategic and applied research to enhance sustainability, productivity, quality and utilization of potatoes.

A catch crop is a fast-growing crop that is grown between successive planting of the main crop. However, the growing of a crop after the failure of the main crop is also called a Catch crop. It refers to a specific type of succession planting.

The optimum density or plant population for any field or cultivation results in mature plants that are sufficiently crowded to efficiently use resources such as water, nutrients, and sunlight, at the same time not so crowded that some plants die.
For an optimum yield of maize, a population of 65 - 70 thousand plants should be there per hectare.