SSC MTS EXAM

SSC

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In micropropagation, where are cells to be cloned usually taken from?
A
leaves
B
shoot apex
C
xylem
D
phloem
Explanation: 

Detailed explanation-1: -When virus elimination is the objective, to obtain disease-free plants, shoot tips of up to 10 mm are used. For rapid clonal propagation, a shoot-tip culture is followed in which (5–10 mm) explants are used. Hence, the majority of meristem culture are essentially shoot-tip cultures.

Detailed explanation-2: -Micropropagation is the process of producing plants vegetatively through cell culture or tissue culture techniques. This technique is used to produce a large number of identical plants (clones) from a selected stock plant. More items

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