🏠 Home
← Back Start Quiz
MCQ Practice

General Science (Everyday Science) MCQs

In a Hilbert space formulation of quantum mechanics, physical states are represented by:

  • A. Real numbers
  • B. Vectors up to a global phase
  • C. Scalars only
  • D. Matrices only
Explanation:
States are rays in Hilbert space, invariant under global phase.

Which instrument measures rainfall?

  • A. Hygrometer
  • B. Rain gauge
  • C. Barometer
  • D. Anemometer
Explanation:
Rain gauge measures precipitation.

Which cycle includes transpiration?

  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Explanation:
Transpiration is water cycle.

Which process forms embryo?

  • A. Pollination
  • B. Fertilization
  • C. Germination
  • D. Photosynthesis
Explanation:
Fertilization produces zygote.

Which vitamin helps immunity?

  • A. A
  • B. B
  • C. C
  • D. D
Explanation:
Vitamin C boosts immunity.

Which gas is used in respiration?

  • A. CO₂
  • B. O₂
  • C. N₂
  • D. H₂
Explanation:
Oxygen is required.

Which energy is stored?

  • A. Kinetic
  • B. Potential
  • C. Thermal
  • D. Light
Explanation:
Potential energy is stored.

Which process wears mountains?

  • A. Erosion
  • B. Deposition
  • C. Fusion
  • D. Respiration
Explanation:
Erosion breaks landforms.

Which organism eats both plants and animals?

  • A. Herbivore
  • B. Carnivore
  • C. Omnivore
  • D. Producer
Explanation:
Omnivores consume both.

Which process moves food in plants?

  • A. Transpiration
  • B. Translocation
  • C. Respiration
  • D. Diffusion
Explanation:
Phloem transports food.