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Q. No.Subtopic: Pollination & Outbreeding Devices |
91%
Level 1: 80%+
AIPMT - 2012
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An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is:
1. Cuticle
2. Sporopollenin
3. Lignin
4. Cellulose
2. Sporopollenin
3. Lignin
4. Cellulose
Subtopic: Stamen: Male Gametophyte |
97%
Level 1: 80%+
AIPMT - 2012
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The gynoecium consists of many free pistils in flowers of:
| 1. | Aloe | 2. | Tomato |
| 3. | Papaver | 4. | Michelia |
Subtopic: Pistil: Female Gametophyte |
73%
Level 2: 60%+
AIPMT - 2012
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Links
The coconut water and the edible part of coconut are equivalent to:
1. Endosperm
2. Endocarp
3. Mesocarp
4. Embryo
Subtopic: Endosperm |
90%
Level 1: 80%+
AIPMT - 2012
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Apomictic embryos in Citrus arise from:
1. synergids
2. maternal sporophytic tissue in ovule
3. antipodal cells
4. diploid egg
Subtopic: Apomixis & Polyembryony |
71%
Level 2: 60%+
AIPMT - 2010
Hints
Subtopic: Pollination & Outbreeding Devices |
88%
Level 1: 80%+
AIPMT - 2011
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Subtopic: Apomixis & Polyembryony |
87%
Level 1: 80%+
AIPMT - 2011
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Links
In which one of the following pollination is autogamous?
1. Xenogamy
2. Chasmogamy
3. Cleistogamy
4. Geitonogamy
1. Xenogamy
2. Chasmogamy
3. Cleistogamy
4. Geitonogamy
Subtopic: Pollination & Outbreeding Devices |
82%
Level 1: 80%+
AIPMT - 2011
Hints
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:
1. xenogamy
2. geitonogamy
3. karyogamy
4. autogamy
Subtopic: Pollination & Outbreeding Devices |
92%
Level 1: 80%+
AIPMT - 2010
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Wind pollinated flowers are:
| 1. | small, brightly coloured, producing large number of pollen grains |
| 2. | small, producing large number of dry pollen grains |
| 3. | large, producing abundant nectar and pollen |
| 4. | small, producing nectar and dry pollen |
Subtopic: Pollination & Outbreeding Devices |
80%
Level 1: 80%+
AIPMT - 2010
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