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प्रश्न
What is meant by emasculation?
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उत्तर
Emasculation is the removal of stamens, mainly the anthers, from the flower buds before their dehiscence. The removal is mainly done to avoid self-pollination. Emasculation is one of the measures in the artificial hybridization.
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संबंधित प्रश्न
List the different types of pollination depending upon the source of pollen gain.
Mention two strategies that evolved to prevent self-pollination in flowers.
Enlist advantages and disadvantages of cross pollination
Describe the structure of its microsporangium.
Write two ways in which pollination may occur in plants.
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_______ .
Give one word/term for the following:
Pollination of flowers by birds.
Describe the advantages and disadvantages of cross-pollination to the plant.
Give four adaptations shown by flowers pollinated by wind.
Differentiate between geitonogamy and xenogamy (allogamy).
Answer the following question.
Write the difference in the characteristics of the progeny produced as a result of the two processes.
Coelacanth was caught in South Africa. State the significance of the discovery of Coelacanth in the evolutionary history of vertebrates.
Put a tick mark (✓) against the correct alternative in the following statements
Pollen is produced in the
Put a tick mark (✓) against the correct alternative in the following statements
Vegetative propagation is not observed in:
Describe the Advantages and Disadvantages of self-pollination to the Plant.
What are the adaptations which are required in cross-pollinated
Explain water pollination in detail with its types.
Give an account of any two biotic agents for pollination along with their adaptations.
Autogamy can occur in a chasmogamous flower if ______.
Wind pollination is common in ______.
Cleistogamous flowers are ______.
Chief pollinators of agricultural crops are ______.
Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in ______.
Plants with ovaries having only one or a few ovules are generally pollinated by ______.
Which of the following plant contain unisexual flower?
Which type of flower has ovary superior?
What is self-incompatibility?
Describe any three adaptations in anemophilous flowers.
When and why does a plant breeder employ the emasculation technique?
