Which microorganism is responsible for Dengue fever?

• Fungi
• Viruses
• Bacteria
• Protozoa
Correct Option: B  [ Viruses ]

Remark: transmitted by mosquitoes 'Aedes aegypti'.

Alcohol contains :

• nitrogen, hydrogen, oxygen
• carbon, hydrogen, oxygen
• oxygen, carbon, nitrogen
• hydrogen, chlorine, oxygen
Correct Option: B  [ carbon, hydrogen, oxygen ]

Remark:

'ASTROSAT' is a satellite launched by ISRO for :

• Research on climate conditon
• Better Tele-communication
• Astronomy research
• None of these
Correct Option: C  [ Astronomy research ]

Remark:

Organic farming does not include:

• green manures
• chemical fertilizers
• crop rotation
• compost and farmyard manures
Correct Option: B  [ chemical fertilizers ]

Remark:

What is the rarest blood type in the world ?

• A
• O positive
• AB ^_
• B
Correct Option: C  [ AB^- ]

Remark:

The only snake that builds its nest is:

• Krait
• King cobra
• Chain viper
• Saw scaled viper
Correct Option: B  [ King cobra ]

Remark:

Plants prepare their food by:

• photosynthesis
• carbohydrolysis
• metabolic synthesis
• photorespiration
Correct Option: A  [ photosynthesis ]

Remark:

Which of the following is not a property of acids ?

• All acids have sour taste
• All acids are corrosive in nature
• For acidic solutions pH = <7
• Acids turn red litmus to blue
Correct Option: D  [ Acids turn red litmus to blue ]

Remark:

The physical quantity which is measured as Kg m/s² is:

• Work
• Power
• Force
• Motion
Correct Option: C  [ Force ]

Remark:

Which one of the following is not an electromagnetic wave?

• Radio wave
• X-ray
• Visible light
• Sound wave
Correct Option: D  [ Sound wave ]

Remark: