3066: The term 'Goldilocks Zone' is often seen in the news in the context of
(a) the limits of habitable zone above the surface of the Earth
(b) regions inside the Earth where shale gas is available
(c) search for the Earth-like planets in outer space
(d) search for meteorites containing precious metals
3067: The basic reason for the extraordinary sparkle of a suitably cut diamond is that
(a) it has a very high transparency
(b) it has a very high refractive index
(c) it is very hard
(d) it has well-defined cleavage planes
3068: The current price index (base 1960) is nearly 330. This means that
(a) all items cost 3.3 times more than what they did in 1960
(b) the prices of certain selected items have gone upto 3.3 times
(c) weighted mean of prices of certain items has increased 3.3 times
(d) gold price has gone up 3.3 times
3069: Which of the following is/are found in plant cells but not in those of animals ?
(a) Plastid & Cellular wall
(b) Chromosome
(c) Mitochondria & Golgi apparatus
(d) Cell wall & lysozyme
3070: The colour of an opaque object is due to the colour it
(a) absorbs
(b) refracts
(c) reflects
(d) scatters