Advertisements
Advertisements
प्रश्न
With the help of a suitable example, explain protandry.
उत्तर
Protandry is a type of dichogamy in which anthers mature first, but stigma of the same flower is not receptive at that time.
eg. Sunflower, Cotton, Salvia
APPEARS IN
संबंधित प्रश्न
Describe the characteristic features of wind pollinated flowers.
Explain the post-pollination events leading to seed production in angiosperms.
Can cross-pollination occur in cleistogamous flowers? Give reason for your answer.
Mention two strategies evolved to prevent self-pollination in flowers.
Complete the following chart and rewrite.
| Sr.No. | Agencies | type of pollination |
| 1 | Water | .................... |
| 2 | ........................... | Entomophily |
| 3 | Bat | .................... |
| 4 | ....................... | Ornithophily |
(Or)
Explain outbreeding devices in angiospermic plants.
Which one of the following is one of the characteristics of self-pollinated flowers?
Give one word/term for the following:
When stigma and anthers do not grow up to the same height, which favors only cross-pollination.
Pollination by water occurs in ______.
Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in ______.
What is hypohydrophily?
