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Narendra-I is the name of:
(1) A mythical kind
(2) Satellite
(3) A new variety of rice
(4) A jute variety
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J D Rockfeller was: (a) an industrialist (b) a scientist (c) American President (d) world famous navigator
Water rises to a height of 15cm in a capillary tube. If the tube is now dipped further in water so that only 12cm of it is above the water level, then the water will 1 Emerge as a fountain from the capillary tube 2 Stay at a height of 12 cm in the capillary tube 3 Stay at height of less than 12cm in the capillary tube 4 Flow down the side of the capillary tube
Sun?s total energy output intercepted by the earth is: (a) one/two billionth (b) one/three billionth (c) one/three millionth
Reflex action in the body is controlled by 1 Sensory nerves 2 Central nervous system 3 Motor nerves 4 Sympathetic nervous system
A colour blind person has difficulty in distinguishing between which colours? 1 Black and blue 2 Green and Violet 3 White and Yellow 4 Green and Red
2008 Olympic Games are scheduled to be held in 1 Beijing 2 Sydney 3 New Delhi 4 London
A gas first enters into the blood and then leaves it by the process of 1 Diffusion 2 Osmosis 3 Transpiration 4 Condensation
The rings of Saturn are: (a) solid sheets of rock (b) composed of billions of ice-covered rock particles (c) Liquid (d) Gaseous
Which of the following is not a function of kidneys? 1 Regulation of blood pressure 2 Secretion of antibiotics 3 Removal of urine 4 Regulation of acidity of body fluids
Budget is the 1 Proposal of taxation 2 Annual financial statement 3 Appropriation bill 4 None of these
What is the maximum limit of sound intensity in decibel units beyond which a person cannot hear? 1 50 2 70 3 85 4 95
. Acid precipitation is now regarded as a serious problem in some European and Asian countries. Its major cause or source is (a) Discharge of acidic effluents onto neutral or slightly alkaline land where the acidic components precipitate (b) Emissions of sulphur oxides and nitrogen oxides from thermal power plants and burning of fossil fuels; these oxides dissolve in atmospheric water vapour and fall back on earth as acid rain (c) Neutral carbon dioxide released during respiration of living organisms dissolves in water, forming carbonic acid which is the chief contributor to acidity in rain water. (d) Chlorofluorocarbons readily react with various chemicals near the earth’s surface, producing acidic intermediates which cause acid precipitation.
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