Plants with ovaries having only one or a few ovules, are generally pollinated by:
1. Bees
2. Butterflies
3. Birds
4. Wind

Subtopic:  Pollination & Outbreeding Devices |
 74%
From NCERT
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Megasporangium is equivalent to :
1. Fruit
2. Nucellus
3. Ovule
4. Embryo sac

Subtopic:  Pistil: Ovule |
 68%
From NCERT
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Which one of the following statements is correct?
1. Sporogenous tissue is haploid
2. Endothecium produces the microspores
3. Tapetum nourishes the developing pollen
4. Hard outer layer of pollen is called intine

Subtopic:  Stamen: Male Gametophyte |
 93%
From NCERT
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Geitonogamy involves
1. Fertilization of a flower by the pollen from another flower of the same plant
2. Fertilization of a flower by the pollen from same flower
3. Fertilization of a flower by the pollen from a flower of another plant in the same population
4. Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population

Subtopic:  Pollination & Outbreeding Devices |
 89%
From NCERT
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Pollen tablets are available in the market for:
1. In vitro fertilization
2. Breeding programmes
3. Supplementing food
4. Ex situ conservation

Subtopic:  Stamen: Microsporangium | Stamen: Male Gametophyte |
 92%
From NCERT
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Function of filiform apparutus is to :
1. Recognize the suitable pollen at stigma
2. Stimulate division of generative cell
3. Produce nectar
4. Guide the entry of pollen tube

Subtopic:  Stamen: Male Gametophyte |
 93%
From NCERT
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Non- albuminous seed is produced in:
1. Maize
2. Castor
3. Wheat
4. Pea

Subtopic:  Seed |
 79%
From NCERT
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Male gametophyte in angiosperms produces:
1. Single sperm and a vegetative cell
2. Single sperm and two vegetative cells
3. Three sperms
4. Two sperms and a vegetative cell

Subtopic:  Stamen: Male Gametophyte |
 77%
From NCERT
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Coconut water from a tender coconut is:
1. Free nuclear endosperm
2. Innermost layers of the seed coat
3. Degenerated nucellus
4. Immature embryo

Subtopic:  Endosperm |
 96%
From NCERT
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Flowers are unisexual in:
1. Cucumber
2. China rose
3. Onion
4. Pea

Subtopic:  Post Pollination Events |
 66%
From NCERT
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