1716: Which of the following was the first to escape out of solar system?
(a) Pioneer 10
(b) Voyager I
(c) Voyager II
(d) Soyuz
1717: Seasons on the Earth are caused due to
(a) The elliptical orbit of the Earth
(b) Alteration/change in the speed of revolution of the Earth
(c) Inclination of the Earth on its axis of rotation
(d) Differences in the amount of energy received from the Sun
1718: Direct taxation was introduced by the ...... committee.
(a) Wanchoo
(b) Chetty
(c) Kaldor
(d) Raja Chelliah
1719: Opium is obtained from:
(a) Tablet type latex
(b) Latex juice
(c) Seed capsule of opium poppy
(d) Poppy leaves
1720: Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of
(a) algae and bacteria
(b) algae and fungi
(c) bacteria and fungi
(d) fungi and mosses