436: What are the possible limitations of India in mitigating the global warming at present and in the immediate future ?
1. Appropriate alternate technologies are not sufficiently available.
2. India cannot invest huge funds in research and development.
3. Many developed countries have already set up their polluting industries in India.
Which of the statements given above is/are correct ?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
Establishment of polluting industries in India by developed countries should not be a limitation on India's global warming mitigation plan.
As India is a developing country, hence it has several other priorities such as infrastructure, poverty alleviation and employment generation. So, it cannot invest huge funds in research and development and appropriate alternate technologies are not sufficiently available as well.
437: The colour of a star is an indication of its
(a) distance from the sun
(b) luminosity
(c) distance from the earth
(d) temperature
438: The colour of an opaque object is due to the colour it
(a) absorbs
(b) refracts
(c) reflects
(d) scatters
439: The purest form of water is obtained from:
(a) A deep tube well
(b) A running stream
(c) Hot water spring
(d) Heavy rains
440: If a block of gold weighing 100 gm in air is immersed in water with a string tied to a spring balance, what could be the probable weight indicated by the spring balance?
(a) Less than 100 gm
(b) Equal to 100 gm
(c) More than 100 gm
(d) Double of 100 gm