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प्रश्न
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
पर्याय
Monoecious plant bearing unisexual flowers
Dioecious plant bearing only male or female flowers
Monoecious plant with bisexual flowers
Dioecious plant with bisexual flowers
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उत्तर
Dioecious plant bearing only male or female flowers
APPEARS IN
संबंधित प्रश्न
Explain the post-pollination events leading to seed production in angiosperms.
Enlist advantages and disadvantages of cross pollination
Give the floral adaptations for anemophily.
Give one word/term for the following:
When stigma and anthers do not grow up to the same height, which favors only cross-pollination.
- Nucellus
- Antipodals
- Synergids
- Micropyle
Give an account of any two biotic agents for pollination along with their adaptations.
For which of the following attractants and rewards are required?
Autogamy can occur in a chasmogamous flower if ______.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
Cleistogamous flowers are ______.
Pollination occurs in ______.
Which of the following plant contain unisexual flower?
Which one of the following may require pollinators, but is genetically similar to autogamy?
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is ______
What is ornithophily?
Consider the following statements depicting adaptation of flowers to carryout successful pollination.
- Stigma is long, sticky and unwettable.
- Sepals, petals or perianth (if present) have waxy coating.
- Stamens with long filament and versatile anthers.
- Tubular corolla is seen.
- Flowers are noctumal.
Which of the above statements clearly depict hydrophily?
Pollination in water lilies is carried out by ______.
What is epihydrophily?
Give any four floral adaptations for chiropterophily.
