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प्रश्न
Select and write the most appropriate answer from the given alternatives for the following subquestion:
A versatile anther is an adaptation for _______ type of pollination.
विकल्प
anemophilous
entomophilous
hydrophilous
ornithophilous
उत्तर
A versatile anther is an adaptation for anemophilous type of pollination.
APPEARS IN
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 ?
Add a note on pollination mechanism in Salvia.
Fill in the blank:
Male sex cells in plants are called _________.
Complete the following chart and rewrite.
Sr.No. | Agencies | type of pollination |
1 | Water | .................... |
2 | ........................... | Entomophily |
3 | Bat | .................... |
4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination.
Give an account of any two biotic agents for pollination along with their adaptations.
Correct definition of pollination is ______
Mention any one example of the hydrophilous flower.
What is hypohydrophily?
Name the following:
Aquatic plants which are anemophilous.