Class 10 Science Biology How do Organisms Reproduce?
Root stock helps in vegetative propagation of 
(a)
Amorphophallus
(b)
Alocasia
(c)
Gladiolus
(d)
All of the above
Correct answer: (b) 
Solution: Vegetative propagation involves the use of vegetative structures especially vegetative buds. These structures are subjected to rooting and shoot formation, so that they can be separately planted. Modified food storing part have also been used for vegetative propagation. These structures can be underground modified stem (tuber, rhizome, corm, bulb) or subaerial modified stem (sucker, runner, offset stolon) or aerial modified stem (phylloclade, cladode, bulbils). Horizontal rhizome of ginger and vertical rhizome of Alocasia are commonly used for vegetative propagation.

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components of food
why do we fall ill
heredity and evolution
diversity in living organism
heredity and evolutio