76.Though a few (gas-based) industries have already been established good reserves of natural gas in India remain unutilized. This vast resource of natural gas can be used in the production of:

77.Consider the following statements regarding plantation agriculture and select the correct answer from the codes given below: I. Most tropical plantations are situated in the lowland plains II. Tropical plantations cluster along coasts III. The Amazon Basin has an excellent physical environment for rubber growing but has few workers Codes:

78.Which one of the following is the best strategy for environment friendly, sustainable development in Indian agriculture?

79.The hallmark of watershed development in the semi arid regions of India is the:

80.The Neyveli thermal power plant is fed by: