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Q. No.Subtopic: Pollination & Outbreeding Devices |
87%
From NCERT
AIPMT - 2011
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Subtopic: Apomixis & Polyembryony |
88%
From NCERT
AIPMT - 2011
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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 |
80%
From NCERT
AIPMT - 2011
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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%
From NCERT
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%
From NCERT
AIPMT - 2010
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An example of a seed with endosperm perisperm and caruncle is:
1. cotton
2. coffee
3. lily
4. castor
Subtopic: Endosperm |
75%
AIPMT - 2009
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Which one of the following pairs of plant structures has a haploid number of chromosomes?
1. Megaspore mother cell and antipodal cells
2. Egg cell and antipodal cells
3. Nucellus and antipodal cells
4. Egg nucleus and secondary nucleus
1. Megaspore mother cell and antipodal cells
2. Egg cell and antipodal cells
3. Nucellus and antipodal cells
4. Egg nucleus and secondary nucleus
Subtopic: Pistil: Female Gametophyte |
73%
AIPMT - 2008
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Subtopic: Endosperm |
71%
AIPMT - 2008
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Unisexuality of flowers prevents:
1. autogamy, but not geitonogamy
2. Both geitonogamy and xenogamy
3. geitonogamy, but not xenogamy
4. autogamy and geitonogamy
Subtopic: Pollination & Outbreeding Devices |
60%
From NCERT
AIPMT - 2008
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What does the filiform apparatus do at the entrance into the ovule?
| 1. | it helps in the entry of pollen tube into the synergid |
| 2. | it prevents the entry of more than one pollen tube into the embryo sac |
| 3. | it brings about the opening of the pollen tube |
| 4. | it guides the pollen tube from the synergid to the egg |
Subtopic: Pistil: Female Gametophyte |
54%
From NCERT
AIPMT - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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