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प्रश्न
Give a reason for the Following:
Pollen grains of wind-pollinated flowers are produced in large quantities.
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उत्तर
Pollen grains of wind-pollinated flowers are produced in large quantities as it is an abiotic agent of
cross-pollination destruction rate is more.
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संबंधित प्रश्न
A capsicum flower has 240 ovules in its ovary. But, it produces a fruit with only 180 viable seeds.
Explain the events upto double fertilisation after the pollen tube enters one of the synergids in an ovule of an angiosperm.
Sketch and label ‘structure of a pea flower’.
Pollen grains are well preserved as fossils because of the presence of ______
Which of the following statement is incorrect?
Male and female reproductive structures of the angiosperms are ______.
Match List I with List II:
| List I (Types of Stamens) |
List II (Example) |
||
| A. | Monoadelphous | I. | Citrus |
| B. | Diadelphous | II. | Pea |
| C. | Polyadelphous | III. | Lily |
| D. | Epiphyllous | IV. | China-rose |
Choose the correct answer from the options given below:
Axile placentation is observed in ______.
Which of the following is considered an "essential whorl" of a flower?
The male reproductive unit of a flower, the androecium, is made up of individual members called ______.
