GK objective type questions and answers

GK QUESTIONS AND ANSWERS

Hi friends, today i'm sharing 50 GK questions and answers in objective type,these are expected questions and answers in upcoming PSC exams. So read it carefully and study well.

SCIENCE

1) Numismatics is the study of :
A) Coins
B) Numbers
C) Stamps
D) Space
Ans: A) Coins

2) Who discovered 'circulation of blood' in human body?
A) Edward jenner
B) Joseph lister
C) William harvey
D) Jonon Esals
Ans : C) William harvey

3) Which part of throat in men is called Adam's apple?
A) Cricoid cartilage
B) Larynx
C) Bronchi
D) Thyroid cartilage
Ans: D) Thyroid cartilage

4) Washing soda is the common name for?
A) Sodium carbonate
B) Calcium bicarbonate
C) Sodium bicarbonate
D) Calcium carbonate
Ans: A) Sodium carbonate

5) Which of the gas is not known as green house gas?
A) Methane
B) Nitrous oxide
C) Carbon dioxide
D) Hydrogen
Ans: D) Hydrogen

6) Bromine is a-------------?
A) Black soild
B) Red-brown liquid
C) Colourless gas
D) Highly inflammable gas
Ans: B) Red-brown liquid

7) The hardest substance available on earth is?
A) Gold
B) Iron
C) Diamond
D) Platinum
Ans: C) Diamond

8) What is the maximum age of joining national pension system (NPS)?
A) 65 years
B) 60 years
C) 55 years
D) 50 years
Ans: A) 65 years

9) Which of the following term is similar to phishing,but refers to fraudulent messages sent over SMS rather than email?
A) Flaming
B) Pharming
C) Mashup
D) Smishing
Ans: D) Smishing

10) Which of the following gas usually filled in the electric bulb is?
A) Nitrogen
B) Hydrogen
C) Carbondioxide
D) Oxygen
Ans: A) Nitrogen

11) What is the full form of CMS?
A) Cloud management system
B) Client management system
C) Cross management system
D) Content management system
Ans: D) Content management system

12) Which of the following is used by the browsers to connect to the location of the internet resources?
A) Linkers
B) Protocol
C) Cable
D) URL
Ans: D) URL

13) In which district of Kerala is located the famous Bekal Fort?
A) Kasaragod
B) Idukki
C) Mopa
D) Kollam
Ans: A) Kasaragod

14) Which district of Kerala has most rivers?
A) Kasaragod
B) Idukki
C) Thiruvananthapuram
D) Kottayam
Ans: A) Kasaragod

15) Which of the following metals forms an amalgam with other metals?
A) Tin
B) Mercury
C) Lead
D) Zinc
Ans: B) Mercury

16) Which of the following is used in pencils?
A) Graphite
B) Silicon
C) Charcoal
D) Phosphorous
Ans: A) Graphite

17) Which of the following represents the fastest data transmission speed?
A) Kbps
B) Mbps
C) Gbps
D) bps
Ans: C) Gbps

18) The standard protocol of the internet is--------?
A) TCP/IP
B) HTML
C) Flash
D) HTTP
Ans: A) TCP/IP

19) Jalian valabagh massacre was took place on:
A) 13th April 1919
B) 13th May 1913
C) 13th April 1914
D) 13th May 1914
Ans: A) 13th April 1919

20) Hypermetropia means:
A) Short sightness
B) Long sightness
C) Astigmatism
D) Night blindness
Ans: B) Long sightness

21) In which part of the human body is Ricket effects?
A) Eyes
B) Born
C) Muscles
D) Immune system
Ans: B) Born

22) Which part of the Indian constitution is called magnacarta of India or key stone of the constitution?
A) Part iii
B) Preamble
C) Article 19
D) Article 24
Ans: A) Part iii

23) Animal having heaviest liver but lightest heart:
A) Elephant
B) Cow
C) Pig
D) Rabbit
Ans: C) Pig

24) The first democracy in the world?
A) India
B) Greece
C) Britian
D) Switzerland
Ans: B) Greece

25) Name the bird,which can fly backwards:
A) Duck
B) Ostrich
C) Kiwi
D) Humming Bird
Ans: D) Humming Bird

26) As mosquito is to Riggler, cockroach is to:
A) Maggol
B) Cater Piller
C) Nymph
D) Chitin
Ans: C) Nymph

27) World telecommunication day is observed on:
A) October 9
B) May 17
C) May 7
D) June 5
Ans: B) May 17

28) Most abundant metal in the human body?
A) Nitrogen
B) Calcium
C) Phosphorus
D) Iron
Ans: B) Calcium

29) Number of groups in the modern periodic table :
A) 18
B) 16
C) 7
D) 13
Ans : A) 18

30) Yellow colour of turmeric is due to:
A) Carotene
B) Curcumine
C) Chlorophyll
D) Xanthophyll
Ans: B) Curcumine

31) The mass of a body at the centre of the earth is:
A) Less than at the surface
B) Remains constant
C) More than the surface
D) Zero
Ans: B) Remains constant

32) Water boils at ------------kelvin.
A) 96
B) 100
C) 273
D) 373
Ans: D) 373

33) The lower jaw bone is otherwise known as:
A) Maxilla
B) Mandible
C) Hyoid
D) Sacrum
Ans: B) Mandible

34) Study of cancer:
A) Oncology
B) Conchology
C) Nephrology
D) Trichology
Ans: A) Oncology

35) What is the basic classification unit of plants?
A) Genus
B) Class
C) Order
D) Species
Ans: D) Species

36) Plants respire through:
A) Stomata
B) Meristem
C) Anther
D) Ovary
Ans: A) Stomata

37) The most electronegative element among the following is?
A) Sodium
B) Bromine
C) Fluorine
D) Oxygen
Ans: C) Fluorine

38) Common salt is obtained from sea water by the process of:
A) Crystallisation
B) Sublimation
C) Filtration
D) Evaporation
Ans: D) Evaporation

39) Sodium metal is kept under
A) Petrol
B) Alcohol
C) Water
D) Kerosene
Ans: D) Kerosene

40) Nuclear size are expressed in:
A) Fermi
B) Newton
C) Tesla
D) Angstrom
Ans: A) Fermi

41) Which is known as 'Quick silver'?
A) Platinum
B) Rubedium
C) Mercury
D) Helium
Ans : C) Mercury

42) Pentlandite is the ore of:
A) Iron
B) Cobalt
C) Nickel
D) Copper
Ans : C) Nickel

43) Which metal is kept by covering with wax?
A) Iron
B) Silver
C) Tin
D) Lithium
Ans : D) Lithium

44) Magnalium is an alloy of:
A) Aluminium and Magnesium
B) Iron and Magnesium
C) Copper and Magnesium
D)Nickel and Magnesium
Ans : A) Aluminium and Magnesium

45) The second hardest natural substance:
A) Graphite
B) Marble
C) Enamel of teeth
D) Corrundum
Ans : D) Corrundum

46) Which natural substance has least expansion ?
A) Marble
B) Graphite
C) Diamond
D) Anthrasite
Ans : C) Diamond

47) Cinnabar is the ore of:
A) Zinc
B) Mercury
C) Tin
D) Bismuth
Ans : B) Mercury

48) The impurities contained in ore is known as:
A) Flux
B) Gangue
C) Alloy
D) Isotope
Ans : B) Gangue

49) When iron rusts its weight .................
A) decreases
B) increases
C) no change
D) none of these
Ans : B) increases

50) The first to extract kerosene from petroleum:
A) Abraham Gesner
B) Rudoif Diesel
C) Karl Benz
D) Kekule
Ans : A) Abraham Gesner

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GK objective type questions and answers