Waste Management - I — Geography STD 10 — Question

Name the seed obtained from the flax plant. Name two commercial uses of its oil and one use of its oil-cake.

Deciduous trees shed leaves once a year.

State the uses of manganese.

Jute is called the brown paper of the wholesale trade. Explain.

The cotton sector in India is considered the second most developed sector in the textile industry (after man made fibres). At 18% of the global total, India is the world's largest producer of cotton. The history of the cotton industry in India dates back millennia. India held a global monopoly over the manufacturing of cotton textiles for about 3,000 years from 1500 B.C. to 1500 A.D. It served as an ideal medium of exchange in the barter economy during the ancient period. During the middle ages, it was exported to Eastern and European markets. This was followed by the establishment of cotton mills by imperial powers in the modern period.
(a) What has led to the development of cotton textile industry in India?
(b) Why the demand for cotton textile decreasing?

Why do we find a greater number of inundation canals in northern plains than in South India? Which river has them in large numbers?

Where did in Assam and Gujarat, deposits of petroleum obtain?

India's rivers, especially the smaller ones, have all turned into toxic streams. And even the big ones like the Ganga and Yamuna are far from being pure. The assault on India's rivers - from population growth, agricultural modernization, urbanisation and industrialisation is enormous and growing by the day.... This entire life stands threatened."
(a) What is the reason for the Indian rivers to get highly polluted?
(b) Suggest any two steps to reduce the damage.

What advantages do railways have over roadways?

(i) What is nuclear energy? Which elements are used in this process?
(ii) State its advantages.