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General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .
The head mirror used by ENT doctors is
A)
plane
B)
convex
C)
concave
D)
plano-convex

Correct Answer :   concave

The mirror which is used by the ENT specialist (Otolaryngologist) is a concave mirror. Because the concave mirror combines all the rays from the object and focuses the object rays in the desired part of the eye.

Published On : June 13, 2021
2 .
Which of the following is responsible for regulating noise pollution?
A)
Central authorities
B)
State authorities
C)
Local authorities
D)
Both (b) & (c)

Correct Answer :   Both (b) & (c)

Both State and Local governments are responsible for regulating noise pollution. Noise pollution refers to the high noise level that we can not bear.

Published On : June 13, 2021
3 .
What substance gives plants their green color?
A)
Chlorine
B)
Chloroform
C)
Chlorophyll
D)
Caustic soda

Correct Answer :   Chlorophyll

Chlorophyll is the pigment that gives pant leaves their green color.

Published On : June 13, 2021
4 .
Demography is the scientific study of
A)
Birth and death of population
B)
Growth of population
C)
The well being of populations
D)
All of the above

Correct Answer :   All of the above

Demography is the scientific study of Birth and death, The well being and the Growth of population. In brief, it is the study of human populations based on their size, composition and distribution across space – and the process through which populations change.

Published On : June 13, 2021
5 .
The mechanism of water reabsorption by the renal tubules is
A)
Active transport
B)
Cotransport with sodium ions
C)
Solvent drag
D)
Osmosis

Correct Answer :   Osmosis

Water reabsorption by the renal tubules is harmonally controlled and it is a osmosis mechanism.

Published On : June 13, 2021
6 .
Forest habitat and soil are conserved through
A)
Selective logging
B)
Differencial logs
C)
Both (a) & (b)
D)
None of the above

Correct Answer :   Selective logging

Forest habitat and soil are conserved through selective logging, in which only some trees in an area of forest are cut.

Published On : June 13, 2021
7 .
Teens who drink are at risk of
A)
Date Rape
B)
HIV and other STDs
C)
Becoming an alcoholic
D)
All of the above

Correct Answer :   All of the above

Teens drinking are at risk of date rape, becoming an alcoholic, HIV and other STDs. 

Drinking also creates a higher risk for depression, anxiety, and low self-esteem. Drinking during puberty can also change hormones in the body. This can disrupt growth and puberty. Too much alcohol at one time can cause serious injury or death from alcohol poisoning.

Published On : June 13, 2021
8 .
Horography is an art of
A)
Reading paintings
B)
Constructing dials
C)
monumental scenes
D)
None of the above

Correct Answer :   Constructing dials

Horography (Horology) the art of constructing time-keeping instruments such as watches and clocks.

Published On : June 13, 2021
9 .
Exercise frequency refers to
A)
Number of times you exercise per month
B)
Number of times you exercise per day
C)
Number of times you exercise per week
D)
All of the above

Correct Answer :   Number of times you exercise per week

Frequency, as it applies to exercise, refers to how many times a week you do cardio and strength training workouts. It is one component of the basic F.I.T.T. principles that guide us in creating and changing workout programs. The FITT principles include frequency, intensity, type, and time.

Published On : June 13, 2021
10 .
Through which microscope were cells first observed?
A)
Electron
B)
Compound
C)
Simple
D)
Tunneling

Correct Answer :   Compound

A microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.

Published On : June 13, 2021