DP HEAD CONSTABLE AWO/TPO (GENERAL SCIENCE) QUIZ

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Question 1:

Which one of the chemicals is known as ‘wood spirit’?

Ethylene glycol

Methyl alcohol

Ethyl alcohol

Benzyl alcohol

Haemoglobin is a protein inside red blood cells and it carries which of the following?

Oxygen

Carbon dioxide

Nitrogen

Ozone

What is the difference between a plug-in hybrid and a battery-electric vehicle?

A. Plug-in hybrid only accept AC power while battery electric vehicle AC and DC .

B. A plug-in hybrid can be powered by either the battery or other gasoline engine .

C. Pure electric vehicle is powered only by the battery .

Only A is correct .

Only B is correct .

A and B both are correct .

B and C both are correct .

Which one of the following is not thermosetting plastic?

Polymethyl methacrylate

Nylon

Bakelite

Neoprene

Energy in foods can be measured in which units-

Kelvin

Joule

Calorie

Celsius