Science Quiz - Question & Answers Set - 48

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Home Practice Tests Science Practice Tests Science Quiz - Question & Answers Set - 48

15 Questions

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Science Quiz - Question & Answers Set - 48

Question 1 :
Which of the following principle is used to produce ‘low-temperatures’ ?
ASuper conductivity
BJoule-Kelvin effect
CThermo-electric effect
DAdiabatic demagnetization

Question 2 :
A photo-electric cell converts
AMechanical energy to elecric energy
BHeat energy to mechanical energy
CLight energy to chemical energy
DLight energy to electrical energy

Question 3 :
Two stones of different masses are dropped simultaneously from the top of a building
A Smaller stone reaches the ground earlier
BLarger stone reaches the ground earlier
CBoth the stones reach the ground at the same time

DDepends on the composition of the stone

Question 4 :
Smoke is formed due to
ASolid dispersed in gas

BSolid dispersed in liquid
Cgas dispersed in solid
Dgas dispersed in gas

Question 5 :
Which of the following chemical is used in photography?
AAluminium Hydroxide
BSilver bromide

CPottassium nitrate
DSodium Chloride

Question 6 :
Gober gas (Biogas) mainly contains
AMethane

BEthane and Butane
CPropane and butane
DMethane ,ethane,proapane and propalene

Question 7 :
Preparation of ‘Dalda or Vanaspati' ghee from vegetable oil utilises the following process
AHydrolisis
BOxidation

CHydragenation
DOsonoloysis

Question 8 :
Which colour is the complementary colour of yellow?
Ablue
Bgreen

Corange
Dred

Question 9 :
During washing of cloths, we use indigo due to its
Abetter cleaning action

BProper pigmental composition
CHigh glorious nature
DVery low cost

Question 10 :
What is the full form of ‘AM' regarding radio broadcasting?
AAmplitude Movement
BAnywhere Movement
CAmplitude Matching
DAmplituide Modulation

Question 11 :
What is the principal ore of aluminium?
ADolomite
BCopper
CLignite
DBauxite

Question 12 :
Ceteris Paribus is Latin for
A"all other things variable"
B"Other things increasing"
C"Other things being equal"

D"all other things decreasing"

Question 13 :
Silver halides are used in photographic plates because they are
AOxidised air
BSoluble in hyposolution

CReduced by light
DTotally colorless

Question 14 :
Tetra Ethyl Lead (TEL) is
AA Catalyst in buring fossil fuel
BAn antioxident
CA reductant
DAn antiknock compound

Question 15 :
Curie point is the temperature at which
AMatter becomes radioactive
BA metal loses magnetic properties
CA metal loses conductivity
DTransmutation of metal occurs

Model Question Papers