Soil Resources — Geography STD 10 — Question

Why petroleum is called mineral oil? Write its two uses.

Identify the drainage pattern in grid square 3887 and 4189.

Mention any two ways in which the agro-based industries have affected the economy of India.

What are the chemical characteristics of alluvial soil?

Black soil is called in situ soil. Explain.

1. The diverse agro-ecological conditions in the country are favourable for growing 9 annual oilseed crops, which include 7 edible oilseeds (groundnut, rapeseed& mustard, soybean, sunflower, sesame, safflower and niger) and two non-edible oilseeds (castor and linseed). Oilseeds cultivation is undertaken across the country in about 27 million hectares mainly on marginal lands, of which 72% is confined to rain fed farming.
Source: https://agricoop.nic.in/sites/default/files/Introduction.pdf
(a) What are the diverse agro-ecological conditions which led to growing variety of food grains in India?
(b) What are the uses of oil seeds?

State one advantage and disadvange of tank irrigation.

Why agriculture is the most important occupation in India?

With reference to the cotton textile industry answer the following:
(i) Name the country's most important manufacturing centre.
(ii) State two geographical reasons for its importance.

Nuclear energy is gaining importance.