World GK MCQs

World Famous Scientific Theories MCQs with Answers

Which scientific theory explains the motion of objects and is often associated with Isaac Newton?
a) Theory of Evolution
b) Theory of Relativity
c) Quantum Theory
d) Newton’s Laws of Motion
Answer: d) Newton’s Laws of Motion

Which scientific theory proposes that all living organisms have evolved from common ancestors?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: d) Theory of Evolution

Which scientific theory explains the relationship between energy and mass and is often associated with Albert Einstein?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: b) Theory of Relativity

Which scientific theory describes the behavior of matter and energy at the smallest scales?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: c) Quantum Theory

Which scientific theory explains the force of attraction between objects with mass?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: a) Theory of Gravity

Which scientific theory proposes that the Earth revolves around the Sun?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Heliocentric Theory
Answer: d) Heliocentric Theory

Which scientific theory explains the structure and behavior of atoms and molecules?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: c) Quantum Theory

Which scientific theory describes the process of natural selection and the evolution of species?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Evolution
Answer: d) Theory of Evolution

Which scientific theory explains the interaction of matter and energy through the electromagnetic force?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Electromagnetism
Answer: d) Theory of Electromagnetism

Which scientific theory proposes that matter and energy cannot be created or destroyed, only transformed?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Law of Conservation of Energy
Answer: d) Law of Conservation of Energy

Which scientific theory explains the origin and evolution of the universe?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Big Bang Theory
Answer: d) Big Bang Theory

Which scientific theory describes the behavior of gases under various conditions?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Kinetic Theory of Gases
Answer: d) Kinetic Theory of Gases

Which scientific theory explains the structure and functioning of the Earth’s outer shell?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Plate Tectonics Theory
Answer: d) Plate Tectonics Theory

Which scientific theory proposes that all matter is made up of tiny indivisible particles called atoms?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Atomic Theory
Answer: d) Atomic Theory

Which scientific theory explains the behavior of fluids in motion?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Fluid Dynamics Theory
Answer: d) Fluid Dynamics Theory

Which scientific theory describes the relationship between electricity and magnetism?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Electromagnetic Theory
Answer: d) Electromagnetic Theory

Which scientific theory explains the motion of celestial objects and the laws governing their behavior?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Celestial Mechanics Theory
Answer: d) Celestial Mechanics Theory

Which scientific theory proposes that Earth’s continents were once joined together and have since drifted apart?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Continental Drift
Answer: d) Theory of Continental Drift

Which scientific theory explains the transmission of genetic information from one generation to the next?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Genetics
Answer: d) Theory of Genetics

Which scientific theory describes the behavior of gases at low temperatures and high pressures?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Gas Laws Theory
Answer: d) Gas Laws Theory

Which scientific theory explains the behavior of light as both a particle and a wave?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Wave-Particle Duality Theory
Answer: d) Wave-Particle Duality Theory

Which scientific theory proposes that the Earth’s climate is changing due to human activities?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Climate Change
Answer: d) Theory of Climate Change

Which scientific theory explains the behavior of matter and energy in extreme conditions such as black holes?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of General Relativity
Answer: d) Theory of General Relativity

Which scientific theory describes the mechanism of inheritance through discrete units called genes?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Heredity
Answer: d) Theory of Heredity

Which scientific theory explains the interaction of matter and energy through fundamental forces?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Everything
Answer: d) Theory of Everything

Which scientific theory proposes that the universe is constantly expanding and evolving?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Cosmic Evolution
Answer: d) Theory of Cosmic Evolution

Which scientific theory explains the behavior of light and its interaction with matter?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Electromagnetic Theory
Answer: c) Quantum Theory

Which scientific theory describes the behavior of waves and their properties?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Wave Theory
Answer: d) Wave Theory

Which scientific theory proposes that the Earth’s atmosphere is warming due to the greenhouse effect?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Global Warming
Answer: d) Theory of Global Warming

Which scientific theory explains the behavior of matter at very low temperatures?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Superconductivity
Answer: d) Theory of Superconductivity

Which scientific theory describes the behavior of sound waves and their propagation?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Acoustics
Answer: d) Theory of Acoustics

Which scientific theory proposes that all matter is made up of tiny particles called quarks?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Quarks
Answer: d) Theory of Quarks

Which scientific theory explains the behavior of electric charges and their interaction?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Electromagnetism
Answer: d) Theory of Electromagnetism

Which scientific theory proposes that the continents are constantly moving due to the movement of Earth’s tectonic plates?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Plate Tectonics
Answer: d) Theory of Plate Tectonics

Which scientific theory explains the behavior of fluids at rest and the principles of pressure?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Fluid Mechanics
Answer: d) Theory of Fluid Mechanics

Which scientific theory proposes that the universe is made up of invisible dark matter and dark energy?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Dark Matter and Dark Energy
Answer: d) Theory of Dark Matter and Dark Energy

Which scientific theory explains the formation and evolution of stars and galaxies?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Stellar and Galactic Evolution
Answer: d) Theory of Stellar and Galactic Evolution

Which scientific theory proposes that the universe undergoes cycles of expansion and contraction?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Oscillating Universe
Answer: d) Theory of Oscillating Universe

Which scientific theory explains the behavior of matter and energy in the vicinity of black holes?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Black Holes
Answer: d) Theory of Black Holes

Which scientific theory proposes that the fundamental particles of matter are made up of even smaller particles called quarks and leptons?
a) Theory of Gravity
b) Theory of Relativity
c) Quantum Theory
d) Theory of Elementary Particles
Answer: d) Theory of Elementary Particles

 

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