Question Details

Match List - I with List - II and choose the correct answer.

List - I List - II
(a) Protoplast fusion (i) Totipotency
(b) Plant tissue culture (ii) Pomato
(c) Meristem culture (iii) Somaclones
(d) Micopropagation (iv) Virus free plants

Options

A

a - (iii) b - (iv) c - (ii) d - (i)

B

a - (ii) b - (i) c - (iv) d - (iii)

C

a - (iii) b - (iv) c - (i) d - (ii)

D

a - (iv) b - (iii) c - (ii) d - (i)

Show Answer

Correct Answer :

Option B

a - (ii) b - (i) c - (iv) d - (iii)

a - (ii) b - (i) c - (iv) d - (iii)

Solution :

To find the correct matching, let us analyze each term in List - I and connect it to its corresponding application or concept in List - II:

(a) Protoplast fusion matches with (ii) Pomato:
Protoplast fusion is a biotechnology technique where the cell walls of two different plant cells are enzymatically removed to obtain protoplasts, which are then fused to form a hybrid protoplast. A classic example of this somatic hybridization is the Pomato, developed by fusing potato and tomato protoplasts to combine characteristics of both plants.

(b) Plant tissue culture matches with (i) Totipotency:
The entire practice of plant tissue culture relies on the inherent property of plant cells known as totipotency. Totipotency is the capability of a single cell or an explant (any part of a plant taken out and grown in a test tube) to regenerate into a complete whole plant under specific laboratory conditions.

(c) Meristem culture matches with (iv) Virus free plants:
In an infected plant, the meristematic tissue (apical and axillary meristems) is generally free of viruses because the rate of cell division is faster than the rate of viral replication. Culturing the meristem is therefore a widely used method to obtain healthy, virus-free plants from an infected parent plant.

(d) Micropropagation matches with (iii) Somaclones:
Micropropagation is the technique of producing thousands of plants in a short duration using tissue culture methods. Since these plants are produced vegetatively from a single explant, they are genetically identical to the parent plant and to each other, and are collectively referred to as somaclones.

Matching the lists accordingly, we get:
a - (ii)
b - (i)
c - (iv)
d - (iii)

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