Question

(i) Why are only some parts of plants used for making ropes ?
(ii) Cotton fibres are obtained from which part of cotton plant ?
(iii) In which state of our country, jute growing is a major source of income.

Answer 1

(i) Sclerenchymatous tissue which consists of thick-walled dead cells is located in parts where strength and support is required. Only such parts can be used for making strong ropes etc.
(ii) From seed coat epidermis of cotton plant.
(iii) West Bengal.