Every Day Science Most Repeated MCQs

(976) The strongest part(s) of a magnet is/are                     ?

  • A. North pole
  • B. South pole
  • C. North and south pole
  • D. Median of north and south pole

(977) Which element is used as moderator in nuclear reactor?

  • A. Light water
  • B. Dense water
  • C. Fresh water
  • D. Heavy water

(978) What is the effect of height increase over temperature?

  • A. Temperatur e increase
  • B. Temperatur e decrease
  • C. Remains constant
  • D. None

(979) In which layer of atmosphere does commercial aircrafts usually fly?

  • A. Stratospher e
  • B. Tropospher e
  • C. Mesospher e
  • D. Thermosph ere

(980) Vitamin C deficiency leads to:                           ?

  • A. Scurvy
  • B. Cold
  • C. Cancer
  • D. Rickets

(981) One Quintal is Equal to                        ?

  • A. 70 kg
  • B. 80 kg
  • C. 90 kg
  • D. 100 kg

(982) The melting point of ice is                    ?

  • A. 00C
  • B. 1000C
  • C. 40C
  • D.-40C

(983) In 2013, Planck measured the age of the universe at                         ?

  • A. 13.82 billion years
  • B. 4.53 billion years
  • C. 4.6 billion years
  • D. 4.53 billion years

(984) Moon is a                      ?

  • A. Star
  • B. Planet
  • C. A & B
  • D. Satellite

(985) Density of Water is                    ?

  • A. 897 kg/m³
  • B. 997 kg/m³
  • C. 1000 kg/m³
  • D. 1025 kg/m³

(986) According to Einsteins general theory of relativity the universe:                                   ?

  • A. Must be expanding
  • B. Must be contracting
  • C. Must be either expanding or contracting
  • D. Must be neither expanding nor contracting

(987) Pressure is measured by                    ?

  • A. barometer
  • B. Voltmeter
  • C. Lactometer
  • D. Ammeter

(988) Primary cosmic rays are composed largely of very fast                      ?

  • A. Protons
  • B. Neutrons
  • C. Electrons
  • D. Gamma rays

(989) What do you understand by disease “Insomnia”?

  • A. Color blindness
  • B. Depression
  • C. Hypertensio n
  • D. Inability to sleep

(990) How many rows and columns are in the modern Periodic Table?

  • A. 18 columns and 7 rows
  • B. 12 columns and 9 rows
  • C. 7 columns and 18 rows
  • D. 25 columns and 15 rows

(991) What melted rock eventually becomes lava?

  • A. Iron
  • B. Metals
  • C. Magma
  • D. Coal

(992) Material for rain-proof coats and tents owe their water proof properties to                   ?

  • A. Surface tension
  • B. Viscosity
  • C. Specific gravity
  • D. Elasticity

(993) A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving? Page 64 o

  • A. Upward with uniform speed f 65
  • B. Downward with uniform acceleration
  • C. In a free fall due to failure of the lift mechanism
  • D. None of these

(994) Nitrogen occurs in plant and animals in the form of                         ?

  • A. Minerals
  • B. Fats
  • C. Carbohydra tes
  • D. Proteins

(995) The large plates of solar pannels are painted?

  • A. Red
  • B. White
  • C. Yellow
  • D. Black

(996) Sound travels                in solid materials then liquid?

  • A. Constant
  • B. Slowest
  • C. Fastest
  • D. None of these

(997) Which variety of glass is heat resistant?

  • A. Bottle glass
  • B. Flint glass
  • C. Hard glass
  • D. Pyrex glass

(998) Which of the following is the most toxic gas?

  • A. Carbon dioxide
  • B. Carbon monoxide
  • C. Nitrogen
  • D. Hydrogen

(999) The element used in lead pencils is                      ?

  • A. Zinc
  • B. Lead
  • C. Carbon
  • D. Tin

(1000) Calculus was invented by                  ?