Q76 of 290 Page 143

Stock and scion are involved in the artificial propagation method known as :

A. tissue culture


B. layering


C. grafting


D. cuttings

Grafting is a method of artificial propagation in which the cut stems of two different plants (one with roots and other without roots) are joined together in such a way that the stems join and grow as a single plant. The cut stem of a plant having roots (and fixed in soil) is called stock and the cut stem of another plant (without roots) is called scion.

More from this chapter

All 290 →
74

A tiny animal having tentacles which reproduces by growing buds on the sides of its body is :

 75

An organism which can reproduce by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is :

A. Spirogyra


B. Bryophyllum


C. Hydra


D. Sea anemone

 77

In asexual reproduction, two offsprings having the same genetic material and the same body features are called:

A. callus


B. twins


C. clones


D. chromosomes

 78

The method of asexual reproduction in plants in which callus is produced is :

A. micropropagation


B. vegetative propagation


C. regeneration


D. fragmentation