Latest Science and Technology General Knowledge(GK) Questions and answers

1 .

Which of the following is/are responsible for acid rain

A)

Propane

B)

Carbon dioxide

C)

Carbon monoxide

D)

Nitrous oxide and sulphur dioxide

Correct Answer : Nitrous oxide and sulphur dioxide

2 .

Which pollutant is added in atmosphere through thermal power station

A)

CFC

B)

Sulphur

C)

Sulphur Dioxide

D)

Nitrogen dioxide

Correct Answer : Sulphur Dioxide

3 .

Leakagaes in household LPG can be detected beacuse of the strong smell of _______ mixed with LPG

A)

Methyl Bromide

B)

Ethyl Mercaptan

C)

Ammonia

D)

Formaldehyde

Correct Answer : Ethyl Mercaptan

4 .

Dioxins are produced from

A)

Power Plants

B)

Combustion of plastics

C)

Sugar factories

D)

Waste lands

Correct Answer : Waste lands

5 .

Loudness of sound depends upon _________ of the sound wave

A)

Amplitude

B)

Wavelength

C)

Pitch

D)

Frequency

Correct Answer : Amplitude

6 .

The science of ageing is called

A)

Odontology

B)

Chronology

C)

Gernotology

D)

Gyaneacology

Correct Answer : Gernotology

7 .

Very small-time intervals are accurately measured by the

A)

Quartz clocks

B)

Atomic clocks

C)

White dwarfs

D)

Pulsars

Correct Answer : Atomic clocks

8 .

The laser produced from stimulated emission has the following characteristic

A)

Monochromatic

B)

Very narrow and collimated ray

C)

Coherent

D)

All of the above

Correct Answer : All of the above

9 .

Sodium metal is stored in

A)

Alcohol

B)

Mercury

C)

Kerosene

D)

Water

Correct Answer : Kerosene

Sodium metal reacts with water and is thus typically stored under mineral oil or kerosene.

10 .

Which carbohydrate is rich in Honey

A)

Fructose

B)

Sucrose

C)

Glucose

D)

Galactose

Correct Answer : Fructose