2251: If a block of gold weighing 100 gm in air is immersed in water with a string tied to a spring balance, what could be the probable weight indicated by the spring balance?
(a) Less than 100 gm
(b) Equal to 100 gm
(c) More than 100 gm
(d) Double of 100 gm
2252: Metals known to Indus Valley Civilisation were:
(a) Gold, copper, silver but not iron
(b) Silver, iron, bronze but not gold
(c) Iron, copper, gold but not silver
(d) Zinc, silver, iron but not gold
2253: Which one of the following is NOT a principle of Panch-sheel ?
(a) Non-alignment
(b) Peaceful Co-existence
(c) Mutual respect for each other's territorial integrity and sovereignty
(d) Mutual non-interference in each other's internal affairs
2254: Which one of the following is an active component of oil of clove ?
(a) Menthol
(b) Eugenol
(c) Methanol
(d) Benzaldehyde
2255: The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is
(a) Troposphere, Stratosphere, Ionosphere, Mesosphere
(b) Stratosphere, Troposphere, Ionosphere, Mesosphere
(c) Troposphere, Stratosphere, Mesosphere, Ionosphere
(d) Stratosphere, Troposphere, Mesosphere, Ionosphere