Question

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2: Describe the different methods of asexual reproduction. Give​

Answer 1

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Describe the different methods of Asexual reproduction.

${\red{\underline{\underline{\large{\mathtt{Answer:-}}}}}}$

$\bf\underline{Asexual\:Reproduction}$

In Asexual reproduction an individual can reproduce on its own without the involvement of the individuals of the species.

Asexual reproduction can be done by various methods like:-

1. Budding
2. Fragmentation
3. Spore formation
4. Vegetative propagation

Let's know about these methodologies clearly.

✳$\sf\green{Budding}$

• Yeast reproduce asexually through budding.
• It produces an outgrowth called bud.
• The nucleus is the yeast cell, also divides into 2 daughter nuclei.
• Out of these, one nucleus remains in the parent cell while the other mouses to the bud.
• Sometimes a chain of buds gets formed which results in production of number of yeast cells in a short period of time.
• The bud may grow and gets detached from the parent cell.

✳$\sf\green{Fragmentation}$

• Spirogyra reproduces as asexually by fragmentation.
• Its filaments breaks up into two or more fragments.
• These fragments grow and develop into new individual.

✳$\sf\green{Spore\:Formation}$

• There are some plants which have special structures called Soprangia.
• The spores are thick-walled, microscopic asexually reproducing bodies. They are carried by air.
• These soprangia have spores in them.
• They germinate when they find a suitable medium to grow.
• Examples:- Moses & ferns.

✳$\sf\green{Vegetative\:Propagation}$

In vegetative propagation new plants are produced from the vegetative parts of plants like :- roots, stems or leaves.

• The plants produced by this method take less time to grow.
• They also bear flowers and fruits earlier than the plants produced from seeds.
• The new plants are exact copies of the parent plant and have the same desirable characters as those of their parent plant.
• Diseases may get transferred from parent plant to the new plant.

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Answer 2

Answer: ⤵️

The various modes of asexual reproduction in plants are as follows:

(i)Vegetative propagation: It is the ability of a plant to produce new plants from roots, stems, leaves, and buds. Vegetative propagation is divided into two types.

• Natural vegetative propagation: This type of vegetative propagation occurs easily in nature and involves simple vegetative parts. Potato plant sprouting from an eye is a common example.

• Artificial vegetative propagation: This type of vegetative propagation is performed manually and generally occurs in laboratory conditions. The formation of a complete plant from a stem cutting of rose is a common example of this method.

(ii) Budding:It involves the formation of a new individual from a bulb-like projection called a bud. The bud grows and gets detached from the parent to form a new individual. It is commonly observed in yeast.

(iii)Fragmentation:It is a form of asexual reproduction where a new organism is formed the fragments of the parent body. It is the only mode of asexual reproduction in Spirogyra.

(iv)Spore formation:Many non-flowering plants reproduce through spore formation. Spores are tiny cells protected by a thick wall. Fungi such as bread moulds reproduce asexually using this method.

Explanation: ⤵️

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