Neutron was discovered by:

• J. Chadwick
• J. J. Thomson
• Rutherford
• Neil Bohr
Correct Option: A  [ J. Chadwick ]

Remark:

The acceleration due to gravity at the equator:

• is less than that at the poles
• is greater than that at the poles
• is equal to that at the poles
• does not depend on the earth's centripetal acceleration
Correct Option: A  [ is less than that at the poles ]

Remark:

CNG stands for:

• Compressed Natural Gasoline
• Compressed Natural Gas
• Compressed Nitrogen Gas
• Compressed Neon Gas
Correct Option: B  [ Compressed Natural Gas ]

Remark:

Isaac Newton invented:

• Thermometer
• Reflecting Telescope
• Hydraulic Accumulator
• Transistor
Correct Option: B  [ Reflecting Telescope ]

Remark:

The sex of a newborn baby is determined by the chromosome inherited from :

• the mother
• mother's mother
• the father
• father's father
Correct Option: C  [ the father ]

Remark:

The science dealing with the study of phenomena at very low temperature is known as :

• Refrigenics
• Cryogenics
• Cytogenics
• Frozenics
Correct Option: B  [ Cryogenics ]

Remark:

How much time the light from Sun takes to reach the Earth ?

• 2 minutes
• 4 minutes
• 8 minutes
• 12 minutes
Correct Option: C  [ 8 minutes ]

Remark: 8 minutes and 20 seconds

Heavy water is :

• Ice
• Water at 4 degree Celsius
• Deuterium oxide
• Solution of sugar and water
Correct Option: C  [ Deuterium oxide ]

Remark:

The Bhopal Gas Tragedy was caused by :

• Phosgen gas
• Carbon monoxide
• Methyl isocyanate
• Chlorine
Correct Option: C  [ Methyl isocyanate ]

Remark: On 2–3 December, 1984 at the Union Carbide India Limited (UCIL) pesticide plant.

Which of the following processes is responsible for transforming liquid into vapour ?

• Condensation
• Evaporation
• Transpiration
• Sublimation
Correct Option: B  [ Evaporation ]

Remark: