16. The method which is used to harvest cotton from the plants, write the name.
Final answer: Hand picking and Cotton picking machine
(a) What is meant by the term 'artificial propagation of plants'? (b) Name three common methods which are used for the artificial propagation of plants. (c) Name two plants which are usually propagated by artificial propagation methods. Name the method of artificial propagation used in each case.
From which parts of the respective plants are cotton and jute obtained? What is spinning? Name some hand operated devices used for spinning. [5 MARKS]