Agronomy - Study Mode

[#576] Study of birds which are not classed as poultry is known as
Correct Answer

(B) Ornithology

Explanation

Solution: Ornithology is a branch of zoology dealing with the study of birds. It aims to reduce the ill effects of problem birds and enhance gains from beneficial species. Whereas poultry refers to domesticated birds kept by a human for their eggs, their meat, or their feathers.

[#577] Which among the following colours absorbs more radiation?
Correct Answer

(B) Black

Explanation

Solution: Black is the colour among all which absorbs more radiation, most of the light radiation and radiant energy. It will absorb maximum heat which leads to the maximum heated surface if black in surface whereas white colour reflects most of the light making it less heated. That is why it is advised to wear white in summer and black coloured clothes in winter to keep you warm.

[#578] Epricania melanoleuca is a parasitoid effective against
Correct Answer

(C) Sugarcane pyrilla

Explanation

Solution: Epricania melanoleuca is a parasitoid effective against Sugarcane pyrilla. It is a moth in the family Epipyropidae. It is found in India, where its larvae are external parasitoids of the sugarcane planthopper (Pyrilla perpusilla). It has been used in biological pest control against this pest.

[#579] Skip Row Planting is very popular in
Correct Answer

(D) Sorghum

Explanation

Solution: Skip row planting is a technique of planting crops by leaving one or two rows in between, it allows roots to grow into moisture throughout the growing season and they have enough water available for grain filling. This practice also helps in less population thus less nutrient consumption, the yield comes out with amazing quality. This is very popular on sorghum plantations.

[#580] Botanical name of Sewan grass is
Correct Answer

(A) Lasiurus sindicus

Explanation

Solution: The scientific name of sewan grass is Lasiurus scindicus . It belongs to the family Poaceae. It is native to drier regions of northern Africa and southwest Asia. It is a perennial, bushy, multi-branched desert grass that can live up to 20 years.