27. Which one of the following is possible in
micropropagation?
(A) Asexual reproduction
(B) Multiplication of genetically identical copies
(C) Sexual reproduction
(D) Both (A) and (B)
Answers
Explanation:
C is correct answer
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Answer:
The options (B) and (D) are correct, while options (A) and (C) are incorrect as they do not reflect the characteristics of micropropagation.
Explanation:
Micropropagation is a technique used to produce large numbers of genetically identical plants from a single parent plant. It involves the use of small tissue samples or explants from the parent plant, which are grown under sterile conditions on a nutrient-rich medium in a laboratory.
One of the key advantages of micropropagation is that it allows for the rapid multiplication of genetically identical copies of a desirable plant. This is possible because the technique involves asexual reproduction, in which the plants are grown from somatic cells rather than through the process of sexual reproduction.
Micropropagation can be used to produce plants that are difficult or slow to propagate through traditional methods, such as cuttings or seed germination. It can also be used to produce disease-free plants, as the process involves sterilization of the explants to prevent contamination.
In summary, micropropagation is a valuable tool in plant breeding and crop improvement, and its key feature is the ability to produce large numbers of genetically identical plants through asexual reproduction. Therefore, options (B) and (D) are correct, while options (A) and (C) are incorrect as they do not reflect the characteristics of micropropagation.
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