Agronomy - Study Mode

[#1001] Black cotton soil contains
Correct Answer

(B) High clay with low Organic matter

Explanation

Solution: Black soil is also known as Black cotton soil. It contains a high amount of clay with low Organic matter. It also contains calcium, carbonate and potash, and holds moisture. It is also rich in lime, iron and magnesium with traces of phosphorus and nitrogen. It is more fertile in low lands than on the uplands.

[#1002] Antisenescent polyhormone is represented by
Correct Answer

(C) Gibberellin

Explanation

Solution: Senescence in plants means the process of aging. Plants have two types of senescence one that is stress induced other is age related developmental aging. The phytohormone that reduces the effect of the senescence process is Gibberellin.

[#1003] Temperature requirement for proper grain filling of wheat is
Correct Answer

(A) 23° - 25°C

Explanation

Solution: Wheat is a rabi crop, and the optimum temperature required for proper grain filling of the wheat crop is 23°C - 25°C. Wheat crop is very sensitive to high temperature during reproductive stages compared to vegetative stages.

[#1004] The highest production of mustard in India is in the state of
Correct Answer

(D) Rajasthan

Explanation

Solution: The highest production of mustard in India is in the state of Rajasthan, which is why it is also called as ‘mustard state’ of India. It is expected to increase to 49.50 lakh tonnes in 2021 - 22 from 35 lakh tonnes in the previous year. Rajasthan produces 47.26%, Haryana 11.73%, Madhya Pradesh 11%, Uttar Pradesh 10% followed by West Bengal 7% of mustard respectively.

[#1005] National Research Centre for Medicinal and Aromatic plants is situated in the state.
Correct Answer

(D) Gujrat

Explanation

Solution: National Research Centre for Medicinal & aromatic plants was established on 24 th November 1992 at Boriavi In Anand District of Gujarat. It works under ICAR. India is rich in flora and fauna with more than 5000 species of known medicinal and aromatic plants. It deals in plant genetic resource management, crop variety improvement, and the production of aromatic and medicinal plants.