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प्रश्न
With the help of a suitable example, explain protandry.
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उत्तर
In this type, androecium matures earlier than the gynoecium, e.g., in the disc florets of sunflowers.
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संबंधित प्रश्न
Make a list of any three outbreeding devices that flowering plants have developed and explain how they help to encourage cross-pollination.
Which one of the following is one of the characteristics of self-pollinated flowers?
Name of the part of the ovary which gives rise to:
Fruit ______
Give one word/term for the following:
Pollination of flowers by insects.
Describe the advantages and disadvantages of cross-pollination to the plant.
Answer the following question.
Write the difference in the characteristics of the progeny produced as a result of the two processes.
Choose the correct statement from the following.
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by ______.
Cleistogamous flowers are ______.
Even in absence of pollinating agents seed-setting is assured in ______.
