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Question

Apperance of vegetative propagules from hte nodes of plants such as sugarcane and ginger is mainly because 
(a) Nodes are shorter than
(b) Nodes have meristematic cells
(c) Nodes are located near the soil 
(d) Nodes have non-photosynthetic cells


Solution

Answer: (b) Nodes have meristematic cells

The appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because nodes have meristematic cells. Examples of vegetative propagules: (i) Leaf buds of bryophyllum, (ii) Eyes of potato, (iii) Bulbifof Agave, (iv) Offset of water hyacinth, (v) Rhizome of ginger. Nodes have meristematic cells.


Biology
NCERT Exemplar
Standard XII

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