Mineral Nutrition Practice Questions (Q1-5) - Plant Physiology

1

ICAR JRF Plant Physiology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which one of the following is NOT the characteristic of ephimerales?

They are short lived plants. They are drought escaping plants. They pass dry period in the form of seeds. They accumulate large quantity of water and use it slowly during dry periods

2

ICAR JRF Plant Physiology 29 Jun 2024Shift 1

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Physiological adjustment to abiotic stress involves trade-offs between vegetative and reproductive development.

Reason (R) : When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as adaptation

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

Both (A) and (R) are true and (R) is the correct explanation of (A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A). (A) is true but (R) is false. (A) is false but (R) is true.

3

ICAR JRF Plant Physiology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following categories are considered as ephemerales in xerophytic plants?

Drought escapers Drought evaders Drought endurers Drought resistant

4

ICAR JRF Plant Physiology 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : Compatible solutes are organic compounds that are osmotically active in the cell but do not destabilize the membrane or interfere with enzyme function at high concentrations.

Statement (II) : Plant cells can tolerate high concentrations of compatible solutes without detrimental effects on metabolism

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.

5

ICAR JRF Plant Physiology 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : Long-short day plants flower only ifa certain number of short days are preceded by a number of long days.

Statement (II) : Ambi-photoperiodic plants can flower in short days or long days but never in intermediate daylengths.

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.

Mineral Nutrition

Plant Physiology Subjects

General Agriculture

Cell Organelles & Water Relations

Metabolic Processes & Growth Regulation

Crop Productivity & Modelling

Abiotic Stress Responses in Plants

Plant Growth Regulators & Plant Development

Mineral Nutrition

Previous Year Papers of Plant Physiology

Plant Physiology- ICAR JRF/SRF 2024

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