Which of the following is a vector?

• Mass
• Volume
• Speed
• Velocity
Correct Option: D  [ Velocity ]

Remark:

The virus infection causes AIDS is known as

• HIV
• HID
• DIV
• None of theses
Correct Option: A  [ HIV ]

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.

What does the airbag, used for safety of car driver, contain?

• Sodium bicarbonate
• Sodium azide
• Sodium nitrite
• Sodium peroxide
Correct Option: B  [ Sodium azide ]

Remark:

Normally, the substances that fight against diseases in human body are known as :

• Antibodies
• Deoxyribo nucleic acid
• Ribo nucleic acid
• Enzymes
Correct Option: A  [ Antibodies ]

Remark:

Magnetic effect of current gives rise to which force ?

• mechanical
• frictional
• spring
• gravitational
Correct Option: A  [ mechanical ]

Remark:

CNG stands for:

• Compressed Natural Gasoline
• Compressed Natural Gas
• Compressed Nitrogen Gas
• Compressed Neon Gas
Correct Option: B  [ Compressed Natural Gas ]

Remark:

Which one of the following sets of Elements was primarily responsible for the origin of life on the earth?

• Hydrogen, Oxygen, Carbon, Sodium
• Oxygen, Carbon, Calcium, Phosphorus
• Carbon, Hydrogen, Oxygen, Nitrogen
• Carbon, Hydrogen, Nitrogen, Potassium
Correct Option: C  [ Carbon, Hydrogen, Oxygen, Nitrogen ]

Remark:

Humidity is a measure of

• pressure in the air
• viscosity of the air
• air resistance
• moisture in air
Correct Option: D  [ moisture in air ]

Remark:

The pH of human blood is:

• 7.2
• 7.8
• 6.6
• 7.4
Correct Option: D  [ 7.4 ]

Remark: