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प्रश्न
Name two characteristics of flowers in which pollination occur by wind.
उत्तर
Special features of wind-pollinated flowers:
(a) They produce light pollen so that it is easily carried away.
(b) They produce a large quantity of pollen.
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 ?
What is meant by pollination?
State four features of flowers pollinated by insects.
Give four adaptations shown by flowers pollinated by wind.
Answer the following question.
Express the process of pollination in Vallisneria.
Differentiate between geitonogamy and xenogamy.
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by ______.
Even in absence of pollinating agents seed-setting is assured in ______.
Name the following:
Aquatic plants which are anemophilous.
Briefly discuss any two methods by which plants avoid self-pollination.
