Natural Science MCQs (351–400) – Page 8
Advanced & Conceptual Science MCQs
- Which phenomenon causes mirage?
a) Reflection
b) Refraction
c) Total internal reflection
d) Diffraction
Answer: c - Which wave travels fastest?
a) Sound
b) Water
c) Light
d) Mechanical
Answer: c - Which quantity is vector?
a) Speed
b) Distance
c) Velocity
d) Time
Answer: c - Which unit is Coulomb?
a) Energy
b) Charge
c) Force
d) Power
Answer: b - Which law relates current, voltage, resistance?
a) Ohm’s Law
b) Newton’s Law
c) Boyle’s Law
d) Hooke’s Law
Answer: a - Which metal used in batteries?
a) Zinc
b) Iron
c) Copper
d) Gold
Answer: a - Which element is alkali metal?
a) Calcium
b) Sodium
c) Magnesium
d) Iron
Answer: b - Which acid present in milk?
a) Citric acid
b) Lactic acid
c) Acetic acid
d) Sulfuric acid
Answer: b - Which gas is noble gas?
a) Oxygen
b) Nitrogen
c) Argon
d) Hydrogen
Answer: c - Which process changes gas to liquid?
a) Evaporation
b) Condensation
c) Sublimation
d) Freezing
Answer: b - Which tissue transports water in plants?
a) Phloem
b) Xylem
c) Root
d) Leaf
Answer: b - Which organ controls balance?
a) Cerebrum
b) Cerebellum
c) Medulla
d) Spinal cord
Answer: b - Which blood group is universal receiver?
a) O
b) A
c) B
d) AB
Answer: d - Which vitamin helps skin?
a) A
b) B
c) C
d) D
Answer: a - Which organ digests food?
a) Brain
b) Heart
c) Stomach
d) Lung
Answer: c - Which gas is released by plants?
a) CO2
b) O2
c) N2
d) H2
Answer: b - Which is largest ecosystem?
a) Desert
b) Forest
c) Ocean
d) Grassland
Answer: c - Which gas causes acid rain?
a) O2
b) CO2
c) SO2
d) H2
Answer: c - Which is renewable energy?
a) Coal
b) Petrol
c) Solar
d) Diesel
Answer: c - Which force acts between masses?
a) Magnetic
b) Electric
c) Gravitational
d) Friction
Answer: c - Which unit measures power?
a) Joule
b) Watt
c) Volt
d) Ampere
Answer: b - Which energy is stored?
a) Kinetic
b) Potential
c) Heat
d) Light
Answer: b - Which scientist discovered electron?
a) Dalton
b) Thomson
c) Rutherford
d) Bohr
Answer: b - Which particle has no charge?
a) Proton
b) Electron
c) Neutron
d) Ion
Answer: c - Which metal is least reactive?
a) Sodium
b) Gold
c) Iron
d) Calcium
Answer: b - Which gas used in photosynthesis?
a) O2
b) CO2
c) N2
d) H2
Answer: b - Which part of eye forms image?
a) Retina
b) Iris
c) Cornea
d) Lens
Answer: a - Which vitamin helps bones?
a) A
b) B
c) C
d) D
Answer: d - Which disease caused by virus?
a) TB
b) Cholera
c) COVID-19
d) Typhoid
Answer: c - Which organ filters blood?
a) Liver
b) Kidney
c) Heart
d) Lung
Answer: b - Which process forms rain?
a) Evaporation
b) Condensation
c) Precipitation
d) Sublimation
Answer: c - Which gas supports burning?
a) CO2
b) O2
c) N2
d) H2
Answer: b - Which is SI unit of work?
a) Watt
b) Joule
c) Volt
d) Ampere
Answer: b - Which device converts electrical to mechanical?
a) Generator
b) Motor
c) Transformer
d) Battery
Answer: b - Which gas used in balloons?
a) Oxygen
b) Nitrogen
c) Helium
d) CO2
Answer: c - Which planet nearest to Sun?
a) Venus
b) Earth
c) Mercury
d) Mars
Answer: c - Which is largest planet?
a) Earth
b) Mars
c) Jupiter
d) Venus
Answer: c - Which is red planet?
a) Earth
b) Mars
c) Venus
d) Saturn
Answer: b - Which gas most abundant?
a) Oxygen
b) Nitrogen
c) CO2
d) Hydrogen
Answer: b - Which layer has weather?
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
Answer: a - Which instrument measures humidity?
a) Barometer
b) Thermometer
c) Hygrometer
d) Anemometer
Answer: c - Which is biodegradable?
a) Plastic
b) Glass
c) Paper
d) Metal
Answer: c - Which gas used in fire extinguisher?
a) O2
b) CO2
c) N2
d) H2
Answer: b - Which organ pumps blood?
a) Brain
b) Lung
c) Heart
d) Kidney
Answer: c - Which is unit of resistance?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: c - Which process releases energy?
a) Photosynthesis
b) Respiration
c) Transpiration
d) Digestion
Answer: b - Which is basic unit of life?
a) Atom
b) Cell
c) Tissue
d) Organ
Answer: b - Which vitamin deficiency causes rickets?
a) A
b) B
c) C
d) D
Answer: d - Which energy source is renewable?
a) Coal
b) Petrol
c) Solar
d) Diesel
Answer: c - Which organ removes waste?
a) Kidney
b) Heart
c) Brain
d) Lung
Answer: a
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