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The cuttings, layering and grafting are the traditional methods for the artificial propagation of plants. For commercial purposes, they are being replaced by the modern methods of artificial propagation of plants involving tissue culture. In tissue culture, they just put a few plant cells (or plant tissue) in a growth medium with plant hormones in it and it grows into new plants.

1. The production of new plants from a small piece of plant tissue removed from the growing tips of a plant in a suitable growth medium is called

(i) vegetative propogation

(ii) tissue culture

(iii) regeneration

(iv) fragmentation

2. In tissue culture, the cells divide rapidly to form a small group of cells called

(i) cell group

(ii) tissues

(iii) callus

3. Using tissue culture, many plants can be grown from one parent in disease-free conditions. True or false ?

(i) TRUE

(ii) FALSE

4. This tissue culture technique is commonly used for _____ plants.

(i) medicinal

(ii) flowering

(iii) ornamental

5. The growth medium discussed in the above paragraph is called

(i) culture solution

(ii) testing solution

(iii) tissue solution

1 Answer

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Best answer

1. (ii) tissue culture

2. (iii) callus

3. (i) TRUE

4. (ii) ornamental

5. (i) culture solution

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