206: Very small-time intervals are accurately measured by the:
(a) Pulsars
(b) White dwarfs
(c) Atomic clocks
(d) Quartz clocks
207: The offending substance in the liquor tragedies leading to blindness, etc. is
(a) ethyl alcohol
(b) amyl alcohol
(c) benzyl alcohol
(d) methyl alcohol
208: In the 'Index of Eight Core Industries', which one of the following is given the highest weight?
(a) Coal production
(b) Electricity generation
(c) Fertilizer production
(d) Steel production
209: Superconductors are so called because they
(a) Efficiently conduct heat from one hot body to another
(b) Offer no resistance to conduction of heat at high temperatures
(c) Offer no resistance to conduction of electricity at low temperatures
(d) Produce high temperatures while conducting electricity
210: A great landslide caused by an earthquake killed hundreds of people in January 2001 near
(a) San Salvador
(b) San Jose
(c) Managua
(d) Guatemala City