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प्रश्न
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
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उत्तर
Pollen grains of wind-pollinated flowers are produced in large quantities as it is an abiotic agent of
cross-pollination destruction rate is more.
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संबंधित प्रश्न
List the three stages the annuals and biennial angiosperms have to pass through during their life cycle.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
Explain the different types of endosperms in angiosperms.
Science of cultivation, breeding, marketing and arrangement of flowers is called ______.
Pollen grains are well preserved as fossils because of the presence of ______
Angiosperms have dominated the land flora primarily because of their ______.
Place the following groups of plants in order, beginning with those that first appeared on the earth and progressing toward those that appeared most recently in time.
The flower is a highly modified and condensed reproductive shoot specially meant for ______
Male and female reproductive structures of the angiosperms are ______.
A flower is biologically defined as a modified and compressed _______.
