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Q. No.Match List I with List II:
List I
List II
A.
Iron
I.
Synthesis of auxin
B.
Zinc
II.
Component of nitrate reductase
C.
Boron
III.
Activator of catalase
D.
Molybdenum
IV
Cell elongation and differentiation
Choose the correct answer from the options given below:
Options:
A
B
C
D
1.
II
IV
I
III
2.
III
II
I
IV
3.
II
III
IV
I
4.
III
I
IV
II
Subtopic: Mineral Function |
56%
From NCERT
NEET - 2023
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Which of the following mineral ion is not remobilized in plants?
| 1. | Potassium | 2. | Calcium |
| 3. | Nitrogen | 4. | Phosphorus |
Subtopic: Mineral Deficiency & Toxicity |
68%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Nitrococcus | (I) | Denitrification |
| (B) | Rhizobium | (II) | Conversion of ammonia to nitrite |
| (C) | Thiobacillus | (III) | Conversion of nitrite to nitrate |
| (D) | Nitrobacter | (IV) | Conversion of atmospheric nitrogen to ammonia |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | I | IV | II |
| 2. | IV | III | II | I |
| 3. | II | IV | I | III |
| 4. | I | II | III | IV |
Subtopic: Nitrogen Fixation |
67%
From NCERT
NEET - 2023
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Given below are two statements:
| Assertion (A): | Essential elements can be structural elements of a cell. |
| Reason (R): | Essential elements are components of biomolecules present in a cell. |
| 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. | Both (A) and (R) are false. |
Subtopic: Criteria for Essentiality of Elements |
54%
From NCERT
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Given below are two statements:
| Assertion (A): | In the absence of any particular essential element, plants show certain morphological changes. |
| Reason (R): | Each essential element has one or more specific structural or functional roles 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. | Both (A) and (R) are false. |
Subtopic: Mineral Deficiency & Toxicity |
81%
From NCERT
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Given below are two statements:
| Assertion (A): | Excess of manganese in plants induces deficiency symptoms of calcium. |
| 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. | Both (A) and (R) are false. |
Subtopic: Mineral Deficiency & Toxicity |
71%
From NCERT
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Given below are two statements:
| Assertion (A): | Calcium is not easily released from the cell. |
| Reason (R): | Calcium is a part of the structural component of the cell. |
| 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. | Both (A) and (R) are false. |
Subtopic: Mineral Deficiency & Toxicity |
77%
From NCERT
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Given below are two statements:
| Assertion (A): | To identify the deficient element, the study of all the symptoms developed in different parts of the plants is required. |
| Reason (R): | Any mineral ion concentration in tissues that reduces the dry weight of tissues by about 10 percent is considered toxic. |
| 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. | Both (A) and (R) are false. |
Subtopic: Mineral Deficiency & Toxicity |
62%
From NCERT
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Given below are two statements:
| Assertion (A): | Weathering or breakdown of rocks enriches the soil with dissolved ions and inorganic salts. |
| Reason (R): | Minerals salts are translocated through the xylem along with the descending stream of water, which is pulled down by transpirational pull. |
| 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. | Both (A) and (R) are false. |
Subtopic: SOIL AS RESERVOIR OF ESSENTIAL ELEMENTS |
54%
From NCERT
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Given below are two statements:
| Assertion (A): | Plants compete with microbes for the nitrogen that is available in the soil. |
| Reason (R): | Nitrogen is a limiting nutrient for both natural and agricultural ecosystems. |
| 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. | Both (A) and (R) are false. |
Subtopic: Introduction |
62%
From NCERT
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