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प्रश्न
Write a short note on Micro propagation.
उत्तर
Micro propagation: This is the propagation of plants involving cell and tissue culture. If vegetative propagation is not possible in a crop, then buds, shoot apex or any other part of the plant can be used as explant for micropropagation.
- The explants are treated with sterilisation chemicals to prevent microbial growth, and then cultured in a particular nutrient medium.
- Cells grow and divide to form a cell mass called callus Some growth regulators (Plant hormones) are added.
- The callus differentiates into plant parts looking like plant (plantlet). After 4-6 weeks the plantlets transferred to the soil
APPEARS IN
संबंधित प्रश्न
Write two differences between binary fission and multiple fission in a tabular form.
Explain how new Bryophyllum plants can be produced from the leaves of the old plant. Illustrate your answer with the help of a labelled diagram.
Fill in the blank:
Budding is a kind of _________ reproduction.
State whether the following statement is true (T) or false (F):
Reproduction by spores is a method of asexual reproduction.
Choose the correct statement(s) on budding in yeast from the following :
I. A parent cell divides into two or more daughter cells and here the parent identity is lost.
II. In this the elongated nucleus divides to form two or more daughter nuclei.
III. A bud arises from a particular region on a parent body.
IV. After detaching from the parent body the bud grows into a new independent individual.
(A) I only
(B) III only
(C) II and III only
(D) III and IV only
Following diagrams were drawn by different student on having seen prepared slides of budding in yeast.
Correct diagrams are
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) I, IV, V
Write four lines on the following: Grafting
Asexual reproduction occurs by __________ cell division.
Vegetative reproduction of Agave occurs through ______.
Plants like (vlmus), Dandelion (Taraxacum) and members of Rose family vegetative reproduce by ______.
