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प्रश्न
From among the situations given below, choose the one that prevents both autogamy and geitonogamy.
पर्याय
Monoecious plant bearing unisexual flowers
Dioecious plant bearing only male or female flowers
Monoecious plant with bisexual flowers
Dioecious plant with bisexual flowers
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उत्तर
Dioecious plant bearing only male or female flowers
APPEARS IN
संबंधित प्रश्न
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?
What are chasmogamous flowers?
Why does self-pollination not lead to seed formation in self-incompatible species?
Differentiate between the following:
Self pollination and cross pollination.
Define the term Pollinating.
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Dahlia_______ .
Name of the parts of the ovary which give rise to:
Fruit wall ______
Answer the following question.
Express the process of pollination in Vallisneria.
Put a tick mark (✓) against the correct alternative in the following statements
Vegetative propagation is not observed in:
Describe pollination. How many types of pollinations are found?
What are the adaptations which are required in cross-pollinated
What are the adaptations which are required in self-pollinated plants?
What are the different adaptations shown by bird-pollinated flowers?
Autogamy can occur in a chasmogamous flower if ______.
Plants with ovaries having only one or a few ovules are generally pollinated by ______.
Which of the following is not a water pollinated plant?
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
Correct definition of pollination is ______
Autogamy can occur in a chasmogamous flower if ______.
What is epihydrophily?
