296: Distribution of electric power from one place to another is done at high A.C. voltage because:
(a) Wastage of electricity is minimised
(b) Stealing of electric wires is prevented
(c) Electricity spreads in very short time
(d) It adds brightness
297: Biofilms are
(a) colour films used by biologists to photograph living organisms
(b) photomicrographs of microorganisms from various habitats
(c) accumulations of microorganisms at surfaces such as those of a rock, a tooth or an oil droplet
(d) photographic films made through fermentation processes of certain industrial microorganisms
298: In India, among the following locations, the Dutch established their earliest factory at
(a) Surat
(b) Pulicat
(c) Cochin
(d) Cassimbazar
299: India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?
(a) It can use thorium in place of uranium for power generation
(b) It can attain a global role in satellite navigation
(c) It can drastically improve the efficiency of its fission reactors in power generation
(d) It can build fusion reactors for power generation
300: With reference to technologies for solar power production, consider the following statements :
1. Photovoltaics is a technology that generates electricity by direct conservation of light into electricity, while Solar Thermal is a technology that utilizes the Sunss rays to generate heat which is further used in electricity generation process.
2. Photovoltaics generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).
3. India has manufacturing base for Solar Thermal technology, but not for Photovoltaics.
Which of the statements given aboveis/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None