KERALA PSC / BIOLOGY / SEED DISPERSAL AND POLLINATION
/ NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA
PSC PRELIMINARY
KERALA PSC / BIOLOGY / SEED DISPERSAL AND POLLINATION
/ NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA
PSC PRELIMINARY
·
Pollination
means transfer of pollen grains from the another to the stigma of the same
plant or a different plant.
·
Pollination
by water: Hydrophily
·
Pollination
by Bat: Chiropterophily
·
Pollination
between two flowers of one plant gytanogamy
·
Pollination
by insects is called Entomophily
·
Pollination
by birds is called Ornithophily
·
Pollination
by animals is called Zoophily
·
Pollination
by wind is called Anemophily
·
The
pollen grains in the plants are produced in anther
·
The
chief pollinators of our agrihorticulture crops are bees.
·
Wind
borne pollen grains cause pollen allergy
·
In
plants like castor and moringa seed dispersal takes place through wind
·
In
Vallisnaria pollination occurs by water
·
Seed
dispersal in coconut occurs through water.
KERALA PSC / BIOLOGY / SEED DISPERSAL AND POLLINATION
/ NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA
PSC PRELIMINARY

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