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Q. No.
Assertion(A): In the absence of any particular element, plants show certain morphological changes.
Reason(R): Each element has at least one specific structural or functional role in plants.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Mineral Deficiency & Toxicity |
 72%
Level 2: 60%+
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Assertion(A): The minerals useful for plants are derived from rock minerals.
Reason(R): The role of minerals in plant nutrition is referred to as mineral nutrition.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The role of minerals in plant nutrition is referred to as mineral nutrition.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â SOIL AS RESERVOIR OF ESSENTIAL ELEMENTS |
 59%
Level 3: 35%-60%
Hints
Assertion(A): There is often a need for supplying essential minerals through fertilizers.
Reason(R): The deficiency of essential minerals may not affect the crop yield.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): The deficiency of essential minerals may not affect the crop yield.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â SOIL AS RESERVOIR OF ESSENTIAL ELEMENTS |
 80%
Level 1: 80%+
Hints
Assertion(A): Aspartate and glutamate aren't the transport form of nitrogen in xylem vessels.
Reason(R): These amino acids have more nitrogen than amides.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): These amino acids have more nitrogen than amides.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Nitrogen Fixation |
 54%
Level 3: 35%-60%
Hints
Assertion(A): Excess of manganese induces a deficiency of iron, magnesium, and sulfur.
Reason(R): Manganese inhibits calcium translocation in the shoot apex.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Manganese inhibits calcium translocation in the shoot apex.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Mineral Deficiency & Toxicity |
 64%
Level 2: 60%+
Hints
Assertion(A): Elements like calcium are not easily released or are immobile.
Reason(R): They are a part of the structural components of a cell.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): They are a part of the structural components of a cell.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Mineral Deficiency & Toxicity |
 74%
Level 2: 60%+
Hints
Assertion(A): Deficiency of any element can cause multiple symptoms and the same symptoms may be caused by the deficiency of one of several different elements.
Reason(R): In order to identify the deficient element, one has to study all the symptoms developed in all the various parts of the plants.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): In order to identify the deficient element, one has to study all the symptoms developed in all the various parts of the plants.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Mineral Deficiency & Toxicity |
 58%
Level 3: 35%-60%
Hints
Assertion(A): Essential elements as components of energy-related chemical compounds in plants are Mg and S.
Reason(R): Essential elements as components of biomolecules in plants are C, H, O and N.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Reason(R): Essential elements as components of biomolecules in plants are C, H, O and N.
Choices for Assertions and reasons:
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: Â Classification of Nutrients |
 70%
Level 2: 60%+
Hints
Match List I with List II
Choose the correct answer from the options given below
1. A-II, B-IV, C-III, D-I
2. A-III, B-IV, C-II, D-I
3. A-IV, B-I, C-III, D-II
4. A-III, B-II, C-IV, D-I
| List I | List II |
| A. Major constituent of proteins, vitamins, and hormones | I. Molybdenum |
| B. Opening and closing of stomata | II. Potassium |
| C. Synthesis of DNA and RNA | III. Nitrogen |
| D. Activation of phosphoenol pyruvate carboxylase | IV. Magnesium |
Choose the correct answer from the options given below
1. A-II, B-IV, C-III, D-I
2. A-III, B-IV, C-II, D-I
3. A-IV, B-I, C-III, D-II
4. A-III, B-II, C-IV, D-I
Subtopic: Â Mineral Function |
 89%
Level 1: 80%+
Hints
Match List I with List II
Choose the correct answer from the options given below:
1. A -IV, B-I, C-III, D-II
2. A -II, B-I, C-III, D-IV
3. A -II, B-III, C-I, D-IV
4. A -III, B-II, C-IV D-I
| List I | List II |
| A. Boron | I. Splitting of water during photosynthesis |
| B. Manganese | II. Synthesis of auxin |
| C. Molybdenum | III. Component of nitrogenase |
| D. Zinc | IV. Pollen germination |
Choose the correct answer from the options given below:
1. A -IV, B-I, C-III, D-II
2. A -II, B-I, C-III, D-IV
3. A -II, B-III, C-I, D-IV
4. A -III, B-II, C-IV D-I
Subtopic: Â Mineral Function |
 93%
Level 1: 80%+
Hints
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