Which of the following pairs is incorrect ?

(A) Roentgen : X-ray

(B) Newton : Law of gravitation

(C) Faraday : Diffusion of gases

(D) Pasteur : Bacteriology

• Roentgen : X-ray
• Newton : Law of gravitation
• Faraday : Diffusion of gases
• Pasteur : Bacteriology
Correct Option: C  [ Faraday : Diffusion of gases ]

Remark:

In your opinion which of the following is due to ozone hole ?

• Increased UV radiation
• Acid rain
• Global warming
• Greenhouse effect
Correct Option: A  [ Increased UV radiation ]

Remark:

Which of the following statements is correct ?

• Protons are negatively charged and are present in the nucleus
• Electrons are positively charged and are present in the nucleus
• Electrons are negatively charged and are present in the orbits
• The entire mass of atom is distributed in the orbits.
Correct Option: C  [ Electrons are negatively charged and are present in the orbits ]

Remark:

Who discovered Electron?

• Enrico Fermi
• Robert Noyce
• J.J.Thomson
• James Dyson
Correct Option: C  [ J.J.Thomson ]

Remark:

Who was the first Indian to go into space ?

• Ravi Malhotra
• Satish Dhawan
• Rakesh Sharma
• Kalpana Chawla
Correct Option: C  [ Rakesh Sharma ]

Remark: A former Indian Air Force pilot. In the year 1984.

What is deposited on iron in the process of galvanisation?

• Copper
• Zinc
• Tin
• Aluminium
Correct Option: B  [ Zinc ]

Remark:

Which is the respiratory organ of fish?

• Ears
• Gills
• Skin
• Lungs
Correct Option: B  [ Gills ]

Remark:

One (1) molecule of CFC deplete __________ molecule of Ozone in the Ozonosphere.

• 1,00,000
• 10,000
• 10,00,000
• No one of the above
Correct Option: A  [ 1,00,000 ]

Remark:

Generally, non-metals do not conduct electricity. Which of the following conducts electricity?

• Diamond
• Graphite
• Sulfur
• Fullerene
Correct Option: B  [ Graphite ]

Remark:

The first nuclear test conducted by India under the code name of "Smiling Buddha" was in the year:

• 1973
• 1974
• 1975
• 1976
Correct Option: B  [ 1974 ]

Remark: