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प्रश्न
Mention any one example of the hydrophilous flower.
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उत्तर
Vallisneria
APPEARS IN
संबंधित प्रश्न
With the help of a suitable example, explain protandry.
A flower of tomato plant following the process of sexual reproduction produces 240 viable seeds.
Answer the following questions giving reasons :
(a) What is the minimum number of pollen grains that must have been involved in the pollination of its pistil?
(b) What would have been the minimum number of ovules present in the ovary?
(c) How many megaspore mother cells were involved?
(d) What is the minimum number of microspore mother cells involved in the above case?
(e) How many male gametes were involved in this case?
Differentiate between the following:
Self pollination and cross pollination.
Can a unisexual flower be self pollinated?
Compare the characteristic features of insect pollinated and wind pollinated flowers. Explain how the respective features assist in pollination.
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
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?
Pollination refers to the ______.
Name the following:
Aquatic plants which are anemophilous.
Name the pollinating agent of a flowering plant with large and coloured flowers with sticky stigma. State one characteristic feature of the pollen grains produced in such flowers.
