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प्रश्न
Draw a diagram of a section of a megasporangium of an angiosperm and label funiculus, Micropyle, embryosac and nuclleus.
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उत्तर
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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 ?
What is the bagging technique?
Can a unisexual flower be self pollinated?
State the name of the chief pollinating agent against the corresponding plant by choosing from those given in brackets.
Dahlia_______ .
What are the adaptations which are required in self-pollinated plants?
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
Which of the following plant contain unisexual flower?
Describe any three adaptations in anemophilous flowers.
Briefly discuss any two methods by which plants avoid self-pollination.
Which of the following is classified as biotic agents of pollination?
