Agronomy - Study Mode

[#856] Dwarf Wheat (Mexican) is introduced in India by
Correct Answer

(A) Dr. N. E. Borlaug

Explanation

Solution: Triple dwarf Mexican wheat varieties were developed by N. E. Borlaug in 1970 and were introduced as a major revolution in food security called Green Revolution. The varieties that were introduced in India were Sonora-64 and Lerma 64.

[#857] Cotton required a daily minimum temperature for germination is
Correct Answer

(C) 16°C

Explanation

Solution: Every crop requires a daily minimum temperature for proper germination and cotton requires 16°C, but growth will be slow at this temperature. 21°C - 27°C is required for vegetative growth and 27°C - 32°C during the fruiting period.

[#858] Dapog method of crop raising is associated with
Correct Answer

(C) nursery raising

Explanation

Solution: Explanation: The correct answer is Option C: nursery raising . Let's break down why: * Dapog Method: This is a special way of growing rice seedlings before they are transplanted to the main field. * Nursery Raising: This refers to the process of nurturing young plants in a controlled environment (the nursery) before they are planted in the field. The Dapog method is a form of nursery raising where rice seedlings are grown very densely on a prepared surface (often concrete or plastic sheets) without soil. This makes it easier to transplant them. * Interculture operation: This refers to practices done between rows of crops after they've been planted (e.g., weeding). * Seed-bed preparation: This is about preparing the soil where seeds are directly sown, not a specific method for raising seedlings before transplanting. * Inter-cultivation: Same as interculture operation Therefore, the Dapog method is directly related to nursery raising .

[#859] Roots used for flavouring coffee powder
Correct Answer

(A) Chichory

Explanation

Solution: Chicory root comes from a plant with bright blue flowers that belong to the dandelion family. These are ground and made into a powder to blend with coffee to enhance its flavor, it can also be used as an alternative.

[#860] 'Akiochi' disease in rice is due to the toxicity caused by
Correct Answer

(D) Hydrogen sulphide

Explanation

Solution: Akiochi disease of Rice is associated with hydrogen sulphide toxicity. The rice reacts to sulphide by producing impermeable barriers in the roots. It causes black crown and root rot in rice.