What is the field water-use efficiency in kg/ha-mm of wheat... | Agrigyan

Q.1

ICAR JRF 2024Shift 1 Statement Based +4 −1

Given below are two statements

Statement (I) : In Indian sub-continent, about one-fifth of total geographical area is affected by drought in every 10 years.

Statement (II) : In Indian sub-continent, about one-third of total geographical area is affected by drought in every 15 years.

In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.

Q.2

ICAR JRF 2024Shift 1 MCQ (Single Correct) +4 −1

Which of the following principles of system of rice intensification (SRI) largely forced many farmers to disadopt it?

(A) . Young seedlings and single seediing/hill

(B) . Wider spacing

(C) . Mechanical weeding

(D) . Intermittent irrigation (©). Use of organic manure

Choose the correct answer from the options given below:

(A), (B) and (D) only. (A), (C) and (E) only, (B), (C) and (D) only. (B), (D) and (E) only,

Q.3

ICAR JRF 2024Shift 1 MCQ (Single Correct) +4 −1

What is the field water-use efficiency in kg/ha-mm of wheat crop, ifit yields 4.5 vha grain and water requirement is 45 cm?

04 10 100 1000

Q.4

ICAR JRF 2024Shift 1 Multiple Correct +4 −1

Clay mineral having largest specific surface area is

Kaolinite Montmorillonite Smectite Illite

Q.5

ICAR JRF 2024Shift 1 MCQ (Single Correct) +4 −1

The most dominant soil order in India is:

Entisol Alfisol Inceptisol Mollisol

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