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प्रश्न
Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination.
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उत्तर
Characteristic feature of insect pollinated plant :
- Flowers are large, colourful, fragnant and rich in nectar to attract insect. If flowers are small then clustered into inflorescence.
- Pollengrains produced are sticky so that it easily sticks to insect body.
- Stigma is sticky so that pollen grains stuck on insect body transfer to stigma.
Wind Pollinated Flowers:
- Produces light, non-sticky or winged pollengrain so they can be transported in wind currents.
- Anthers are well exposed so that pollens can be easily carried by wind.
- Stigma is large and often feathery to easily trap the airborne pollen grain.
- Flowers are small and inconspicuous and often packed in to an inflorescence.
- Flowers have a single ovule in each ovary.
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संबंधित प्रश्न
Fill in the blanks:
The two kinds of pollination are __________ and __________.
Fill in the blanks with suitable words.
Different timings for the maturation of gynoecium and androecium is called ________.
Differentiate between geitonogamy and xenogamy (allogamy).
Mention various adaptations for wind pollination.
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
During Hybridization process anther of the bisexual flower is removed before it dehisces is called ______.
Correct definition of pollination is ______
Mention any one example of the hydrophilous flower.
Entomophily refers to pollination by which agency?
Geitonogamy is characterized by which of the following?
