Which of the following vitamins are water soluble?

• Vitamin-A & Vitamin-B
• Vitamin-B & Vitamin-C
• Vitamin-C & Vitamin-D
• Vitamin-A & Vitamin-K
Correct Option: B  [ Vitamin-B & Vitamin-C ]

Remark:

Who invented the contact lens?

• Enrico Fermi
• Adolf Gaston Eugen Fick
• Sandford Fleming
• Benoit Fourneyron
Correct Option: B  [ Adolf Gaston Eugen Fick ]

Remark:

Which layer of the atmosphere is nearest to the surface of the earth?

• Mesosphere
• Thermosphere
• Troposphere
• Stratosphere
Correct Option: C  [ Troposphere ]

Remark:

The Kala-azar disease in man is spread by the bite of a:

• Culex Mosquito
• Phlebotomus sandfly
• Climex bed-bug
• Sarcoptes mites
Correct Option: B  [ Phlebotomus sandfly ]

Remark:

Sphygmomanometer is an instrument used for measuring

• Heart beat
• Vision of eyes
• Blood Sugar
• Blood Pressure
Correct Option: D  [ Blood Pressure ]

Remark:

When was Edusat launched ?

• October, 1988
• June, 2001
• September, 2004
• March 2008
Correct Option: C  [ September, 2004 ]

Remark:

The salinity of the sea water is:

• 1.5 %
• 2.5 %
• 3.5 %
• 4.5 %
Correct Option: C  [ 3.5 % ]

Remark:

Blood Circulation was discovered by?

• Mary Anderson
• William Harvey
• Virginia Apgar
• Robert Feulgen
Correct Option: B  [ William Harvey ]

Remark: William Harvey an English physician discovered the principle of the circulation of the blood through the body.

Oxygen is transported to the cells of the human body through:

• Red Blood cells
• White Blood cells
• Hormones
• Enzymes
Correct Option: A  [ Red Blood cells ]

Remark:

Which gas in its solid state is also known as dry ice?

• Nitrogen
• Carbon dioxide
• Oxygen
• Hydrogen
Correct Option: B  [ Carbon dioxide ]

Remark: