PINAKA often seen in news, is a / an:

• Anti-submarine torpedo and research vehicle
• Aircraft carrier
• Multi barrel Rocket Launch (MBRL) system
• Guided missile frigate submarine warship
Correct Option: C  [ Multi barrel Rocket Launch (MBRL) system ]

Remark:

'Shock –absorbers' are usually made of steel as it:

• is not brittle
• has lower elasticity
• has higher elasticity
• has no ductile property
Correct Option: C  [ has higher elasticity ]

Remark:

Our bones and teeth are generally made of

• Tricalcium phosphate
• Fluoropetite
• Chloropetite
• Hydrolith
Correct Option: A  [ Tricalcium phosphate ]

Remark:

The mixture of flammable gases (carbon monoxide and hydrogen) and nonflammable gases (nitrogen and carbon dioxide) is called by what name?

• Laser Star Gas
• Breathing Gas
• Producer Gas
• Laughing Gas
Correct Option: C  [ Producer Gas ]

Remark:

Which of the following minerals is found in Monazite sand ?

• potassium
• uranium
• Thorium
• sodium
Correct Option: C  [ Thorium ]

Remark:

The science dealing with the study of phenomena at very low temperature is known as :

• Refrigenics
• Cryogenics
• Cytogenics
• Frozenics
Correct Option: B  [ Cryogenics ]

Remark:

A man inside a moving train tosses a coin, the coin falls behind him. The train is moving:

• forward with a uniform speed
• backward with a uniform speed
• forward with deceleration
• forward with acceleration
Correct Option: D  [ forward with acceleration ]

Remark:

Which among the following is a large spectrum Antibiotic ?

• Paracetamol
• Penicillin
• Ampicillin
• chloramphenicol
Correct Option: C  [ Ampicillin ]

Remark:

Gasoline is obtained from crude petroleum by:

• Fractional distillation
• Fractional distillation
• Sublimation
• Evaporation
Correct Option: A  [ Fractional distillation ]

Remark:

To an astronaut in space, the sky appears to be:

• Red
• White
• Dark
• Blue
Correct Option: C  [ Dark ]

Remark: