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Q. No.Match List-I with List-II
List-I
List-II
(A)
Auxin
(I)
Promotes female flower formation in cucumber
(B)
Gibberellin
(II)
Overcoming apical dominance
(C)
Cytokinin
(III)
Increase in the length of grape stalks
(D)
Ethylene
(IV)
Promotes flowering in pineapple
Choose the correct answer from the options given below:
Options:
(A)
(B)
(C)
(D)
1.
II
I
IV
III
2.
IV
III
II
I
3.
I
III
IV
II
4.
III
II
I
IV
Subtopic: Auxin Function | Gibberellin | Cytokinin | Ethylene |
86%
Level 1: 80%+
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Which of the following statements is not correct?
| 1. | Phase of cell elongation of plant cells is characterized by increased vacuolation. |
| 2. | Cells in the meristematic phase of growth exhibit abundant plasmodesmatal connections |
| 3. | Plant growth is generally determinate |
| 4. | Plant growth is measurable |
Subtopic: Growth |
79%
Level 2: 60%+
NEET - 2023
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Given below are two statements:
| Assertion (A): | Plant growth is open and indeterminate. |
| Reason (R): | Plants retain the capacity for unlimited growth throughout their life. |
| 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: Growth |
83%
Level 1: 80%+
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Given below are two statements:
| Assertion (A): | Spraying sugarcane crops with gibberellins increases the length of the stem. |
| Reason (R): | Sugarcane yield decreases as much as 20 tonnes per acre by spraying gibberellins. |
| 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: Gibberellin |
70%
Level 2: 60%+
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Given below are two statements:
| Assertion (A): | Spraying juvenile conifers with GAs hastens the maturity period. |
| Reason (R): | GAs lead to early seed production in conifers. |
| 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: Gibberellin |
80%
Level 1: 80%+
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Given below are two statements:
| Assertion (A): | Ethylene helps the plants to increase their absorption surface. |
| Reason (R): | Ethylene promotes root growth and root hair formation. |
| 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: Ethylene |
82%
Level 1: 80%+
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Given below are two statements:
| Assertion (A): | Ethylene is one of the most widely used PGR in agriculture. |
| Reason (R): | Ethylene regulates many physiological processes of 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: Ethylene |
88%
Level 1: 80%+
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Given below are two statements:
| Assertion (A): | Ethylene helps to increase the number of fruits in cucumber. |
| Reason (R): | Ethylene promotes the production of both male and female flowers on the same tree. |
| 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: Ethylene |
68%
Level 2: 60%+
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"Cells positioned away from root apical meristem differentiate as root cap cells, while those pushed to the periphery mature as epidermis". This is evidence for
1. Open form of differentiation in plants
2. Closed form of differentiation in plants
3. Closed form dedifferentiation in plants
4. Open form of dedifferentiation in plants
1. Open form of differentiation in plants
2. Closed form of differentiation in plants
3. Closed form dedifferentiation in plants
4. Open form of dedifferentiation in plants
Subtopic: Growth | Differentiation, Dedifferentiation and Redifferentiation |
75%
Level 2: 60%+
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The phenomenon which is influenced by auxin and also played a major role in its discovery is:
| 1. | Phototropism | 2. | Root initiation |
| 3. | Gravitropism | 4. | Apical Dominance |
Subtopic: Growth Hormones & Auxin |
63%
Level 2: 60%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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