The number of protons in an alpha particle is :

• one
• two
• three
• four
Correct Option: B  [ two ]

Remark:

Plasma membrane in eukaryotic cells is made up of:

• Phospholipid
• Lipoprotein
• Phospholipo-protein
• Phospho-protein
Correct Option: A  [ Phospholipid ]

Remark:

What is common in AIDS, hepatitis and typhoid fever ?

• All are bacterial disease
• All are water borne diseases
• All are viral disease
• All are spread by human beings
Correct Option: D  [ All are spread by human beings ]

Remark:

Ringworm is a ___________ disease.

• bacterial
• protozoan
• viral
• fungal
Correct Option: D  [ fungal ]

Remark:

Green Revolution is associated with:

• Agriculture
• Sericulture
• Fishery
• Cultivation of bees
Correct Option: A  [ Agriculture ]

Remark:

The amount of light entering into eye can be controlled and regulated by ___________ .

• Sclera
• cornea
• pupil
• retina
Correct Option: C  [ pupil ]

Remark:

When was Edusat launched ?

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

Remark:

Human beings hearing range is:

• 30 to 30,000 Hz
• 50 to 50,000 Hz
• 20 to 20,000 Hz
• 40 to 40,000 Hz
Correct Option: C  [ 20 to 20,000 Hz ]

Remark:

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

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

Remark:

The gas which destroys ozone layer is:

• Oxygen
• Argon
• Chloroflurocarbon
• Hydrogen
Correct Option: C  [ Chloroflurocarbon ]

Remark: