41)

Select the option that can be used as a one-word substitute for the given group of words.
The branch of physics concerned with the properties of sound

SSC CHSL 2021

A)

Optics

B)

Acoustics

C)

Photonics

D)

Mechanics

42)

Select the option that can be used as a one-word substitute for the given group of words.
Instrument that measures the altitude of the land surface

SSC CHSL 2021

A)

Altimeter

B)

Barometer

C)

Thermometer

D)

Chronometer

43)

Select the option that can be used as a one-word substitute for the given group of words.
A place or scene of activity, debate, or conflict

SSC CHSL 2021

A)

Arena

B)

Floor

C)

Site

D)

Stadium

44)

Select the most appropriate one-word substitution for the given words.
One who pretends to be what he is not

SSC CHSL 2021

A)

hypocrite

B)

optimist

C)

fanatic

D)

stoic

45)

Select the option that can be used as a one-word substitute for the given group of words.
Relating to soldiers or war

SSC CHSL 2021

A)

Official

B)

Political

C)

Marital

D)

Martial

46)

Select the most appropriate one-word substitution for the given words.
a period of two weeks

SSC CHSL 2021

A)

month

B)

century

C)

fortnight

D)

decade

47)

Select the word which means the same as the group of words given.
Killing of one’s mother

SSC CHSL 2021

A)

patricide

B)

regicide

C)

infanticide

D)

matricide

48)

Select the word which means the same as the group of words given. 
Something which cannot be taken by force

SSC CHSL 2021

A)

Impregnable

B)

Irresistible

C)

Impromptu

D)

Imperative

49)

Select the option which means the same as the group of words given.
Not active or growing

SSC CHSL 2021

A)

inanimate

B)

duplicate

C)

invisible

D)

dormant

50)

 Select the option that can be used as a one-word substitute for the given group of words.
A strong interest in something or someone

SSC CHSL 2021

A)

Attachment

B)

Apathy

C)

Fixation

D)

Empathy