Natural Science MCQs (601–650) – Page 13
Advanced & Concept-Based Science MCQs
- Which phenomenon causes splitting of white light?
a) Reflection
b) Refraction
c) Dispersion
d) Diffraction
Answer: c - Which wave does not require medium?
a) Sound
b) Water
c) Light
d) Mechanical
Answer: c - Which is scalar quantity?
a) Velocity
b) Acceleration
c) Force
d) Speed
Answer: d - SI unit of power:
a) Joule
b) Watt
c) Volt
d) Ampere
Answer: b - Which law is V = IR?
a) Newton’s Law
b) Ohm’s Law
c) Boyle’s Law
d) Hooke’s Law
Answer: b - Which metal is best conductor?
a) Copper
b) Aluminium
c) Silver
d) Iron
Answer: c - Which element is halogen?
a) Sodium
b) Chlorine
c) Magnesium
d) Iron
Answer: b - Which acid is present in curd?
a) Citric acid
b) Lactic acid
c) Acetic acid
d) Nitric acid
Answer: b - Which is noble gas?
a) Oxygen
b) Nitrogen
c) Neon
d) Hydrogen
Answer: c - Which process converts liquid into gas?
a) Condensation
b) Evaporation
c) Freezing
d) Sublimation
Answer: b - Transport of water in plants occurs through:
a) Phloem
b) Xylem
c) Roots
d) Leaves
Answer: b - Which organ controls voluntary actions?
a) Cerebellum
b) Cerebrum
c) Medulla
d) Spinal cord
Answer: b - Universal donor blood group:
a) A
b) B
c) AB
d) O
Answer: d - Vitamin for immunity:
a) A
b) B
c) C
d) D
Answer: c - Organ for digestion:
a) Brain
b) Heart
c) Stomach
d) Lung
Answer: c - Gas released in respiration:
a) O2
b) CO2
c) N2
d) H2
Answer: b - Largest ecosystem:
a) Forest
b) Desert
c) Ocean
d) Grassland
Answer: c - Main greenhouse gas:
a) O2
b) CO2
c) N2
d) H2
Answer: b - Renewable energy source:
a) Coal
b) Petrol
c) Solar
d) Diesel
Answer: c - Force acting between masses:
a) Magnetic
b) Electric
c) Gravitational
d) Friction
Answer: c - SI unit of energy:
a) Watt
b) Joule
c) Volt
d) Ampere
Answer: b - Energy of motion:
a) Potential
b) Kinetic
c) Thermal
d) Chemical
Answer: b - Who discovered electron?
a) Rutherford
b) Thomson
c) Dalton
d) Bohr
Answer: b - Particle with negative charge:
a) Proton
b) Electron
c) Neutron
d) Ion
Answer: b - Least reactive metal:
a) Sodium
b) Calcium
c) Gold
d) Iron
Answer: c - Gas used in photosynthesis:
a) O2
b) CO2
c) N2
d) H2
Answer: b - Part of eye controlling light:
a) Retina
b) Iris
c) Cornea
d) Lens
Answer: b - Vitamin for eyesight:
a) A
b) B
c) C
d) D
Answer: a - Bacterial disease:
a) COVID-19
b) Dengue
c) Tuberculosis
d) Flu
Answer: c - Organ filtering blood:
a) Liver
b) Kidney
c) Heart
d) Lung
Answer: b - Cloud formation process:
a) Evaporation
b) Condensation
c) Precipitation
d) Sublimation
Answer: b - Gas supporting combustion:
a) CO2
b) O2
c) N2
d) H2
Answer: b - SI unit of work:
a) Watt
b) Joule
c) Volt
d) Ampere
Answer: b - Device converting mechanical to electrical:
a) Motor
b) Generator
c) Transformer
d) Battery
Answer: b - Gas used in balloons:
a) Oxygen
b) Nitrogen
c) Helium
d) CO2
Answer: c - Closest planet to Sun:
a) Venus
b) Earth
c) Mercury
d) Mars
Answer: c - Largest planet:
a) Earth
b) Mars
c) Jupiter
d) Venus
Answer: c - Red planet:
a) Earth
b) Mars
c) Venus
d) Saturn
Answer: b - Most abundant gas:
a) Oxygen
b) Nitrogen
c) CO2
d) Hydrogen
Answer: b - Layer with weather:
a) Troposphere
b) Stratosphere
c) Mesosphere
d) Thermosphere
Answer: a - Instrument for humidity:
a) Barometer
b) Thermometer
c) Hygrometer
d) Anemometer
Answer: c - Biodegradable item:
a) Plastic
b) Glass
c) Paper
d) Metal
Answer: c - Gas in fire extinguisher:
a) O2
b) CO2
c) N2
d) H2
Answer: b - Organ pumping blood:
a) Brain
b) Heart
c) Kidney
d) Lung
Answer: b - Unit of resistance:
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: c - Process releasing energy:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Digestion
Answer: b - Basic unit of life:
a) Atom
b) Cell
c) Tissue
d) Organ
Answer: b - Vitamin deficiency causing rickets:
a) A
b) B
c) C
d) D
Answer: d - Renewable energy example:
a) Coal
b) Petrol
c) Solar
d) Diesel
Answer: c - Organ removing waste:
a) Kidney
b) Heart
c) Brain
d) Lung
Answer: a
650 MCQs → Elite Preparation Level
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