Science and Technology - General Knowledge Questions

1 .

Ilmenite is an ore/mineral of

A)

Copper

B)

Titanium

C)

Manganese

D)

Lead

Correct Answer : Titanium

2 .

Ornithophily is effected by

A)

insects

B)

snails

C)

birds

D)

bats

Correct Answer : birds

3 .

The elements that show the properties of both metals and nonmetals are called

A)

Metalloids

B)

Allotropes

C)

Colloids

D)

Alloys

Correct Answer : Metalloids

4 .

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

5 .

Which pollutant is added in atmosphere through thermal power station

A)

CFC

B)

Sulphur

C)

Sulphur Dioxide

D)

Nitrogen dioxide

Correct Answer : Sulphur Dioxide

6 .

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

7 .

Dioxins are produced from

A)

Power Plants

B)

Combustion of plastics

C)

Sugar factories

D)

Waste lands

Correct Answer : Waste lands

8 .

Loudness of sound depends upon _________ of the sound wave

A)

Amplitude

B)

Wavelength

C)

Pitch

D)

Frequency

Correct Answer : Amplitude

9 .

The science of ageing is called

A)

Odontology

B)

Chronology

C)

Gernotology

D)

Gyaneacology

Correct Answer : Gernotology

10 .

Very small-time intervals are accurately measured by the

A)

Quartz clocks

B)

Atomic clocks

C)

White dwarfs

D)

Pulsars

Correct Answer : Atomic clocks

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