What is meant by Polymers ? Why are they important ?
Polymers are natural synthetic compounds which are made up of ethylene and propylene.
Importance:
i. It provides the basic raw materials for plastic industry.
ii. Due to its flexible and maoisture resistant properties, it becomes a very useful industrial product in th emodern day.
With reference to tea cultivation, answer the following :
i. Mention the geographical requirements for the crop.
ii. Name the main tea growing areas in Srilanka.
iii. Mention two problems faced by the tea cultivators in India.
Which is the oldest cotton textile manufacturing area in India ? Mention any three reasons for the growth of the cotton textile industry in this area.
i. Name the port which was constructed to reduce the traffic at the Mumbai port.
ii. What special features and facilities does the new port have?
Mention two main uses of manganese. Name two countries to which India exports this mineral.
Differentiate between :
i. A natural harbour and a man - made harbour.
ii. Telecommunications and Mass Communication
Mention four factors that have contributed to the growth of the Hugli Industrial Region. Name four important industries of this area ?