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प्रश्न
- Nucellus
- Antipodals
- Synergids
- Micropyle
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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 are chasmogamous flowers?
What is self-incompatibility?
What is meant by emasculation?
Describe the structure of its microsporangium.
Fill in the blanks with suitable words.
_______ is a water-pollinated flower.
Give one word/term for the following:
Pollination of flowers by insects.
What are the adaptations which are required in cross-pollinated
Describe any three adaptations in hydrophilous flowers.
Name the following:
Aquatic plants which are anemophilous.
