With reference to rice cultivation answer the following:
(i) Why does rice grow well in a soil with a clay like subsoil?
(ii) What is the advantage of growing rice in nurseries before it is transplanted?
Study the picture given below and answer the question that follow:
(ii) Why are mostly women employed to harvest it?
(iii) Mention two geographical conditions suitable for the cultivation of this crop.
Explain briefly the following:
(i) Shifting cultivation
(ii) Bud grafting
(iii) Oil cake
Give two reasons for the importance of the jute industry in the Ganga-Brahmaputra delta region.
(i) Give two reasons why the woollen industry is not a flourishing industry in India.
(ii) Name two centres for this industry.
(i) The woollen industry is not a flourishing industry in India due to the following reasons:
a. Woollen clothes are required only in northern India during winter months. Hence, the demand is less.
b. Because the wool produced in India is not of a high quality, most wool has to be imported from abroad.
(ii) Two centers of this industry are Ludhiana and Dhariwal.
With reference to the silk industry, answer the following:
(i) Why is Karnataka the largest producer of mulberry silk?
(ii) Mention two varieties of non- mulberry silk.
(iii) Name one silk weaving center each in U.P. and in Tamil Nadu.
Mention two advantages that a mini steel plant has over an integrated iron and steel plant.
(i) Name an iron and steel plant which was established with British collaboration.
(ii) From where does it get its supply of:
1. Iron ore
2. Manganese
3. Coal