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प्रश्न
Very short answer type question:
What is hydrophily?
उत्तर
Pollination carried out by water is called hydrophily.
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संबंधित प्रश्न
A flower of tomato plant following the process of sexual reproduction produces 200 viable seeds.
Answer the following questions giving reasons :
(a) What would have been the minimum number of ovules present in pre-pollinated pistil ?
(b) How many microscope mother cells would minimally be required to produce requisite number of pollen grains ?
(c) How many pollen grains must have minimally pollinated the carple ?
(d) How many male gametes would have used to produce these 200 viable seeds ?
(e) How many megaspore mother cells were required in this process ?
The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as ______.
Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination.
In bisexual flowers, maturation of gynoecium before androecium is known as ______.
Write different modes of pollination in detail with suitable examples.
The question has four options. Choose the correct answer:
Pollination by insect is known as
What are the different adaptations shown by bird-pollinated flowers?
Even in absence of pollinating agents seed-setting is assured in ______.
A botanist studying Viola (common pansy) noticed that one of the two flower types withered and developed no further due to some unfavorable condition, but the other flower type on the same plant survived and it resulted in an assured seed set. Which of the following will be correct?
Briefly discuss any two methods by which plants avoid self-pollination.
