Q. No.Consider the given two statements:
| Assertion (A): | Plants retain the capacity for unlimited growth throughout their life. |
| Reason (R): | Meristems are present at certain locations in plant body. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False. |
| 4. | (A) is False; (R) is True. |
Subtopic: Growth | Growth Terminology | Development |
84%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | Plant growth is intimately linked to the water status of the plant while development is not. |
| Reason (R): | The plant cells grow in size by cell enlargement which in turn requires water. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False. |
| 4. | (A) is False; (R) is True. |
Subtopic: Growth |
Level 3: 35%-60%
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Which of the following is ‘open’ in plants?
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Growth |
| II: | Development |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Growth | Development |
72%
Level 2: 60%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | Growth, at a cellular level, is measured by a variety of parameters such as increase in fresh weight, dry weight, length, area, volume and cell number. |
| Reason (R): | Such parameters are more or less proportional to the increase in protoplasm which is primarily responsible for growth at cellular level. |
| 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 |
82%
Level 1: 80%+
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What shaped curve is a characteristic of living organism growing in a natural environment?
1. S shaped
2. J shaped
3. Rectangular hyperbola
4. A straight line
1. S shaped
2. J shaped
3. Rectangular hyperbola
4. A straight line
Subtopic: Growth |
88%
Level 1: 80%+
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Growth in plants:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | can be defined as an irreversible permanent increase in size of an organ or its parts or even of an individual cell. |
| II: | is accompanied by metabolic processes, only anabolic and not catabolic, that occur at the expense of energy. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Growth | Growth Terminology |
83%
Level 1: 80%+
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Consider the given two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
| Statement I: | Development in plants is the sum of two processes: growth and differentiation. |
| Statement II: | The development of a mature plant from a zygote (fertilised egg) follows a precise and highly ordered succession of events. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is correct; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is incorrect; Statement II is correct
Subtopic: Growth |
92%
Level 1: 80%+
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Regarding conditions of growth in plants:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Water provides the medium for enzymatic activities needed for growth. |
| II: | Oxygen helps in releasing metabolic energy essential for growth activities. |
| III: | Nutrients (macro and micro essential elements) are required by plants for the synthesis of protoplasm and act as source of energy. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Growth |
92%
Level 1: 80%+
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All the following contribute to an increase in girth of dicots and gymnosperms except:
| 1. | Apical meristem | 2. | Lateral meristems |
| 3. | Vascular cambium | 4. | Cork-cambium |
Subtopic: Growth | Growth Model | Growth Terminology |
76%
Level 2: 60%+
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Which of the following will be true regarding arithmetic growth following mitotic cell division in plants?
| 1. | Only one daughter cell continues to divide while the other differentiates and matures |
| 2. | Only one daughter cell continues to divide, while the other dies |
| 3. | Both daughter cell continue to divide and then one gets differentiated and matures |
| 4. | Both daughter cell continue to divide and later both get differentiated and mature |
Subtopic: Growth | Growth Terminology |
88%
Level 1: 80%+
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