Green muffler is used against which type of pollution ?

• Air
• Noise
• Soil
• Water
Correct Option: B  [ Noise ]

Remark:

Which acid is released when an Ant bites?

• Hydrochloric Acid
• Formic Acid
• Acetic Acid
• Phosphoric Acid
Correct Option: B  [ Formic Acid ]

Remark:

What is the scientific name of Vitamin- C :

• Turtaric Acid
• Folic Acid
• Ascorbic Acid
• Oxalic Acid
Correct Option: C  [ Ascorbic Acid ]

Remark:

Part of earth where life exist is known as:

• Lithosphere
• Hydrosphere
• Atmosphere
• Biosphere
Correct Option: D  [ Biosphere ]

Remark:

The phenomenon involved in propagation of light waves throuhg optical fibres is :

• Dispersion of light
• Scattering of light
• Total internal reflection of light
• Refraction of light
Correct Option: C  [ Total internal reflection of light ]

Remark:

Which one of the following hormone is called "Emergency Hormone"?

• Insulin
• Adrenaline
• Thyroxine
• Vasopressin
Correct Option: B  [ Adrenaline ]

Remark:

The process by which energy is generated in the Sun is :

• Nuclear fusion
• Nuclear fission
• Both nuclear fusion and nuclear fission
• The burning of gases
Correct Option: A  [ Nuclear fusion ]

Remark:

What is the meaning of the word 'Tsunami' in Japanese?

• High waves
• Destructive waves
• Harbour waves
• none of these
Correct Option: C  [ Harbour wave ]

Remark: Indian Ocean Tsunami occurred on 26 December, 2004 with an epicentre off the west coast of Sumatra, Indonesia.

India first atomic device was exploded in 1974 at:

• Bikaner
• Barmed
• Pokhran
• Jaisalmer
Correct Option: C  [ Pokhran ]

Remark: Pokhran is a city in Rajasthan

Bronze is an alloy of:

• Copper and Zinc
• Tin and Zinc
• Copper and Tin
• Iron and Zine
Correct Option: C  [ Copper and Tin ]

Remark: