Agronomy - Study Mode

[#546] 'Atrazine' effectively control grasses in maize field without causing harm to the crop plants, as degradation of the chemical in maize plant occurs due to the presence of
Correct Answer

(D) GSH enzyme

Explanation

Solution: Atrazine is the most commonly used herbicide with the greatest use on corn, sorghum, and sugarcane that can be applied before and after planting to control broadleaf and grassy weeds. It can effectively control grasses in the maize field without harm to the main crop, as degradation of the chemical in the maize plant occurs due to the presence of the GSH enzyme. GSH is a Glutathione S-transferase and is capable of preventing damage to important cellular components caused by reactive oxygen species such as free radicals, peroxides, heavy metals, etc.

[#547] Echinochloa frumentacea L. is the scientific name of
Correct Answer

(C) Sawa millet

Explanation

Solution: Echinochloa frumentacea is the scientific name of sawa millet or shyamak. It is also known as vrat ke chawal in Hindi, oodalu in kanadda, shyamak or shyama chal in Bangla, Jhangora in Garhwal, Bhagar in Marathi, samo or morio in Gujarati, kuthiraivaali in Tamil. This millet is widely grown as a cereal in India, Pakistan and Nepal.

[#548] Dr. Y. S. Parmar University of Solan is mainly working on
Correct Answer

(C) Horticulture and forestry

Explanation

Solution: Dr. Yashwant Singh Parmar University of Solan, Himachal Pradesh is mainly working on Horticulture and Forestry. The mission of this institute is to make strategies to fulfill the need and requirements of the farmers in Himachal Pradesh through incorporating excellence in education and research in horticulture and forestry.

[#549] Which of the following states has highest area under groundnut?
Correct Answer

(A) Gujarat

Explanation

Solution: 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.

[#550] The "La Nina" generally
Correct Answer

(A) Increases the monsoon rainfall in India

Explanation

Solution: 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.