986: Copper deposits in India are found in:
(a) Singhbhum
(b) Kolar
(c) Salem
(d) Karanpura
987: Influence of genes in controlling the activity of living organisms is through:
(a) Photosynthesis
(b) Protein synthesis
(c) Vitamins
(d) Hormones
988: Which one of the following touches the boundary of Iran?
(a) Aral Sea
(b) Lake Balkash
(c) Lake Baikal
(d) Caspian Sea
989: The Alamatti Dam is on the river
(a) Godavari
(b) Cauvery
(c) Krishna
(d) Mahanadi
990: Sodium vapour lamps are preferred to incandescent lamps because of:
(a) Higher efficiency
(b) Higher tolerance in voltage fluctuations
(c) Easy installation
(d) Higher intensity of illumination