1061. For being able to see three-dimensional pictures we have to use _______.

A. A binocular
B. A camera
C. An epidiascope *
D. A stereoscope

1062. Water has maximum density at _______.

A. O degree centigrade
B. 4 degree centigrade *
C. 6 degree centigrade
D. 5 degree centigrade

1063. The theory of Expanding universe was first propounded by _________.

A. Einstein
B. Newton
C. Gahleo
D. Hubble *

1064. An instrument to detect the purity of milk is __________.

A. Lactometer *
B. Hygrometer
C. Manometer
D. Sonometer

1065. Consider the following statements if there was no capillarity .

1. It would be impossible to use a kerosene lamp
2. One would not be able to use a straw to consume a soft drink
3. The blotting paper would fail to function
4. There would have been no plants on earth of the statements.

A. 1,2 and 3 are correct
B. 2 and 4 are correct
C. 1,2,3 and 4 are correct
D. 1,3 and 4 are correct *

1066. Water Vapour beyond the dew point result in _________.

A. Precipitation
B. Hailstorm
C. Condensation *
D. Formation of ice

1067. The main chemical substance present in the bones and teeth of animals is _________.

A. Sodium chloride
B. Sugar
C. Calcium phosphate *
D. Calcium sulphate

1068. The major component of honey is _________.

A. Glucose
B. Surcose
C. Maltose
D. Fructose *

1069. The working principal of a washing machine is __________.

A. Centrifugation *
B. Dialysis
C. Reverse osmosis
D. Diffusion

1070. Radioactivity was first discovered by ________.

A. Pasteur
B. Newton
C. Watson
D. Henri becquerel *

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