Question

Micropropagation is
A. Propagation of microbes in vitro.
B. Propagation of plants in vitro.
C. Propagation of cells in vitro.
D. Growing plants on smaller scale

Answer 1

Hint: Micropropagation is a technique or artificial process of producing a complete organism vegetatively by the process of tissue culture or cell culture technology. In this type of artificial process of propagation, living organisms are produced in-vitro by asexual methods of reproduction or by the process of vegetative propagation.

Complete answer:
Micropropagation can be defined as the in vitro artificial multiplication and production or regeneration of plant body under artificially, aseptic and regulated environmental conditions to get hundreds and thousands of plants copied for growing into the fields.
Micropropagation is the multiplication of plants by growing part of the plants (i.e. plantlets) in tissue culture and then planting them in fields. It is a tissue culture technique in which part of a plant, cells of plants, tissues or organs are grown under an in vitro system.
It is a biotechnological procedure to quickly produce more and more plants in just a few generations of multiplication, called tissue culture. Therefore, it is a method of producing thousands of plants artificially in-vitro, through tissue culture, For example fruits like Banana, Apple and Tomato are produced on a large scale by this technique.
Option D is incorrect as smaller-scale can also mean a small garden pot. So, Option D’ is incorrect. Option A and C are also incorrect as microbes and cells are very small in size and thus they are small enough to be grown artificially in-vitro.

Hence, the correct answer is option (B).

Note:
-It is multiplication of plants by growing plantlets in tissue culture and then planting it.
-It helps to produce plants and to maintain desired characteristics of parent’s plants.
-It is a step-by-step process by which n numbers of plants are produced from one single explant.
-The plants produced are genetically identical to the parent plant.