21.

Explain two important characteristics of plantation farming. Name one important plantation crop. 

 Which state is the leading producer of Jute ? Give any two factors responsible for this.

(i) The yield of sugarcane is higher in the Deccan. Give two reasons for this.

(ii) Give one advantage and one disadvantage of ratoon cropping.

Define the following terms :

(i) Ginning

(ii) Topping

(iii) Arabica.

Why is the silk industry considered as a small scale industry ? Name the two types of silk produced in India.

Name two important silk-waving centres in Karnataka.

 Name any two by-products of the sugar industry. Give two uses of each. 

Explain two factors affecting the development of the cotton textile in India.

Which city is known as the electronic capital of India ? Name any two major centres of electronic products.

Most of the petrochemical units are in Maharashtra or Gujarat. Give two reasons to explain why.