(i) This is vegetative reproduction, where new plants grow from underground parts like tubers, rhizomes, or bulbs. Example: Potato grows from tubers.
(ii) Advantages: fast multiplication, true-to-type plants. Disadvantages: diseases spread easily, no genetic variation.
(iii) Offsprings show little variation because they are clones of the parent, having identical genetic material.
CBSE Sample Paper Class 10 Science 2025-26
class 10 science sample paper 2026,
Vegetative Propagation in Potato, Ginger, and Onion
(i) Potato, ginger, and onion reproduce by vegetative propagation, a type of asexual reproduction where new plants arise from roots, stems, or leaves. For example, potato tubers with buds grow into new plants.
(ii) Advantages: (i) It is a quick method, producing many plants in less time. (ii) It ensures genetic uniformity, preserving desirable traits.
Disadvantages: (i) It produces no variations, limiting adaptability. (ii) If the parent is diseased, offspring also inherit it.
(iii) Since only one parent is involved and there is no fusion of gametes, the offspring are genetically identical to the parent, hence show very little variation.