Q. No.Match each item in Column-I with one in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Vallisneria | P. | Pollinated by insects |
| B. | Zostera | Q. | Water pollinated plant found in fresh water |
| C. | Water lily | R. | Water pollinated plant found in marine water |
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | Q | R | P |
| 4. | Q | P | R |
Subtopic: Pollination & Outbreeding Devices |
88%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | The flowers produce enormous amount of pollen when compared to the number of ovules available for pollination. |
| Reason (R): | Pollens are products of meiosis resulting in larger number of cells but egg is the product of mitosis resulting in fewer number of cells. |
| 1. | Both (A) and (R) are True and (R) explains (A) |
| 2. | Both (A) and (R) are True and (R) does not explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Pollination & Outbreeding Devices | Post Pollination Events |
72%
Level 2: 60%+
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Consider the given two statements:
| Statement I: | Both wind and water pollinated flowers are not very colourful and do not produce nectar. |
| Statement II: | Majority of insect-pollinated flowers are large, colourful, fragrant and rich in nectar. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Pollination & Outbreeding Devices |
95%
Level 1: 80%+
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Subtopic: Pollination & Outbreeding Devices |
Level 3: 35%-60%
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What floral award is provided by Amorphophallus for its pollinating agent?
1. Nectar
2. Secondary metabolites
3. Safe place to lay eggs
4. Protein rich pollens
1. Nectar
2. Secondary metabolites
3. Safe place to lay eggs
4. Protein rich pollens
Subtopic: Pollination & Outbreeding Devices |
91%
Level 1: 80%+
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Subtopic: Pollination & Outbreeding Devices |
96%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | Cleistogamous flowers produce assured seed-set even in the absence of pollinators. |
| Reason (R): | Cleistogamous flowers are invariably autogamous. |
| 1. | Both (A) and (R) are True and (R) explains (A) |
| 2. | Both (A) and (R) are True and (R) does not explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Pollination & Outbreeding Devices |
Level 4: Below 35%
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A plant producing light, non-sticky pollen in large numbers and with long and feathery stigmas is most likely pollinated by:
| 1. | Insects | 2. | Water |
| 3. | Wind | 4. | Animals |
Subtopic: Pollination & Outbreeding Devices |
97%
Level 1: 80%+
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Consider the given two statements:
| Assertion (A): | Geitonogamy does not provide the same advantages as cross-pollination. |
| Reason (R): | Geitonogamy is a type of pollination in plants where pollen is transferred from the anther of a flower to the stigma of another flower on the same plant. |
| 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: Pollination & Outbreeding Devices |
79%
Level 2: 60%+
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Whether a pollen grain will be able to germinate on a stigma is primarily decided by:
| 1. | The stage at which the pollen is shed |
| 2. | Recognition by the stigma |
| 3. | Maturity of the egg cell in the embryosac |
| 4. | Environmental conditions |
Subtopic: Pollination & Outbreeding Devices |
83%
Level 1: 80%+
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