NABARD Grade A & B Exam 2021 : Agriculture & Rural Development Questions | Set-13

Correct Answer – A. Eutrophication

Explanation: “Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.

Correct Answer – D. P

Explanation:  Mycorrhizae are able to create a vast connection between the roots of a plant and with the soil around them, which allows for the fungus to uptake nutrients such as nitrogen and phosphorus for the plant and increase the surface area of the roots.

Correct Answer – B. Alkali

Explanation:  Phosphorus in the form of phosphate (expressed as P2O5) is a nutrient for plants and a building block in food production. The agriculture sector uses a large amount of chemical fertilizers to replenish and supplement nutrients that growing plants take from the soil. Availability of phosphorus is maximum in Alkali soils.

Correct Answer – B. Dr. Rajendra Prasad

Explanation:   The ICAR celebrates the Agricultural Education Day on 3rd December every year across the country to commemorate the Birth Anniversary of Bharat Ratna, Dr. Rajendra Prasad, the first Agriculture Minister of the country and First President of Independent India.

Correct Answer – D. All of the above

Explanation: Sustainability is most often defined as meeting the needs of the present without compromising the ability of future generations to meet theirs. It has three main pillars: economic, environmental, and social. These three pillars are informally referred to as people, planet and profits.

Correct Answer: C. Atal Bhujal Yojana

Explanation: Atal Bhujal Yojana has been formulated by the Ministry to address the criticality of ground water resources in a major part of the country. The scheme aims to improve ground water management in priority areas in the country through community participation.

Correct Answer – B. Honey Horticulture

Explanation: In India, the period between 1991 to 2003 is termed as Golden Revolution. Golden revolution is about Honey and Horticulture production.

Correct Answer – E.  All of the above

Explanation: Suitable Crops of Laterite Soils – These soil are not very fertile and is used in cotton growing, rice cultivation, wheat cultivation, pulses growing, cultivation of tea, growing coffee, growing rubber, growing coconut and growing cashews. Most of the time these soil are used to make bricks due to presence of large amounts of iron.

Correct Answer – D. Wheat

Correct Answer – A. Abscisic acid

Explanation: Plant Growth Regulators can be of a diverse chemical composition such as gases (ethylene), terpenes (gibberellic acid) or carotenoid derivates (abscisic acid). They are also referred to as plant growth substances, phytohormones or plant hormones. Based on their action, they are broadly classified as follows:

• Plant Growth Promoters – They promote cell division, cell enlargement, flowering, fruiting and seed formation. Examples are auxins, gibberellins and cytokinins.
• Plant Growth Inhibitors – These chemicals inhibit growth and promote dormancy and abscission in plants. An example is an abscisic acid.