Agronomy - Study Mode

[#766] Which is the leading state in production of groundnut
Correct Answer

(D) Gujarat

Explanation

Solution: The leading state in the production of groundnut in Gujarat, accounting for 40% of total groundnut production in the country. Rajasthan, Tamil Nadu, Andhra Pradesh, Karnataka, Madhya Pradesh and West Bengal are also the producer of groundnut and add their parts to the total production of groundnut in the country.

[#767] 'Cajanus cajan L' is a scientific name of
Correct Answer

(A) Pigeon pea

Explanation

Solution: Cajanus cajan L is the scientific name of legume pigeon pea, also called arhar or tur dal in the common language. It belongs to the legume family i.e. Fabaceae. It is consumed on large scale in South Asia and is a major source of protein for the population of the Indian subcontinent.

[#768] Sea island cotton belong to
Correct Answer

(D) Gossyplum barbadense

Explanation

Solution: Sea island cotton is the variety of cotton belonging to Gossypium barbadense . It is a tropical, frost-sensitive perennial species that produces yellow-colored flowers and has black seeds. Other names associated with this species include sea island, Egyptian, Pima and extra-long-staple cotton .

[#769] Match the following columns: Column I (Crop) Column II (Use) a. Wheat 1. Oil b. Groundnut 2. Food c. Jute 3. Fibre d. Sugarbeet 4. Sugar
Correct Answer

(B) a-2, b-1, c-3, d-4

Explanation

Solution: Wheat is grown for food, Groundnut is a legume crop and an oil seed also, most portion of it is grown for the production of groundnut oil. Jute is a well-known fiber plant, grown in India on a commercial level and sugar beet is used to produce beet sugar because of its 16% of sugar content.

[#770] Denitrification losses of nitrogen in rice can be prevented by placing ammonical fertilizers into the
Correct Answer

(B) Reduced zone

Explanation

Solution: Nitrogen losses in any field occur mainly because of ammonia volatilization, denitrification, leaching, agricultural runoff, etc. And as in rice cultivation plantation is submerged type, ammonia based fertilizers are not recommended in flooded rice systems due to potential N loss through denitrification in the anaerobic plough layer. Denitrification losses of nitrogen in rice can be prevented by placing ammonical fertilizers into the reduced zone.