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Q. No.In plants such as Oxalis, the possible type of pollination can be
1. Only autogamy and geitonogamy
2. Only xenogamy
3. Only autogamy
4. All autogamy, geitonogamy and xenogamy
Subtopic: Pollination & Outbreeding Devices |
From NCERT
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The process that is functionally cross-pollination but genetically similar to the autogamy is seen in
1. Monoecious plants
2. Only those plants that have bisexual flowers
3. Both monoecious and dioecious plants
4. Plants that have only cleistogamous flowers
1. Monoecious plants
2. Only those plants that have bisexual flowers
3. Both monoecious and dioecious plants
4. Plants that have only cleistogamous flowers
Subtopic: Pollination & Outbreeding Devices |
59%
From NCERT
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Select the odd one out w.r.t type of pollination.
1. Zostera
2. Vallisneria
3. Water lily
4. Hydrilla
1. Zostera
2. Vallisneria
3. Water lily
4. Hydrilla
Subtopic: Pollination & Outbreeding Devices |
80%
From NCERT
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Amongst the following, most dominant pollinating agents(s) in angiosperms is/are
1. Water
2. Birds
3. Wind
4. Insects
1. Water
2. Birds
3. Wind
4. Insects
Subtopic: Pollination & Outbreeding Devices |
77%
From NCERT
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Floral rewards for pollinating agents can be all of the following, except
1. Nectar
2. Fragrance
3. Place for laying eggs
4. Pollen grains
1. Nectar
2. Fragrance
3. Place for laying eggs
4. Pollen grains
Subtopic: Pollination & Outbreeding Devices |
68%
From NCERT
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Self-incompatibility as an outbreeding device should not be true for which of the following plants?
1. Papaya
2. Maize
3. Castor
4. Sugarcane
1. Papaya
2. Maize
3. Castor
4. Sugarcane
Subtopic: Pollination & Outbreeding Devices |
72%
From NCERT
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Read the following statements and select the correct option.
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are correct
4. Both statements A and B are incorrect
| A: | Castor and maize plant can prevent both autogamy and geitonogamy. |
| B: | Orchid fruit contains thousands of tiny seeds. |
1. Only statement A is incorrect
2. Only statement B is incorrect
3. Both statements A and B are correct
4. Both statements A and B are incorrect
Subtopic: Post Pollination Events | Seed |
63%
From NCERT
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Subtopic: Stamen: Male Gametophyte |
97%
From NCERT
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Subtopic: Pollination & Outbreeding Devices |
72%
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Match the following Columns:
1. 3 2 1 4
2. 2 4 1 3
3. 4 3 2 1
4. 1 3 2 4
| Column I (Pollination technique) |
Column II (Pollinator) |
| A. Cheiropterophily | 1. Ant |
| B. Anemophily | 2. Bat |
| C. Myrmecophily | 3. Snail |
| D. Malacophily | 4. Wind |
2. 2 4 1 3
3. 4 3 2 1
4. 1 3 2 4
Subtopic: Pollination & Outbreeding Devices |
87%
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