Selected MCQ

Current Question
Which process releases energy?
  • A. Endothermic
  • B. Exothermic
  • C. Neutral
  • D. Isothermal
Correct Answer: B
Explanation:
Exothermic reactions release heat.
Related Question 1
Which process releases gas?
  • A. Condensation
  • B. Evaporation
  • C. Freezing
  • D. Deposition
Correct Answer: B
Explanation:
Evaporation produces gas.
Related Question 2
Which plant process releases oxygen?
  • A. Respiration
  • B. Photosynthesis
  • C. Transpiration
  • D. Diffusion
Correct Answer: B
Explanation:
Oxygen released during light reactions.
Related Question 3
Which energy source is sustainable?
  • A. Coal
  • B. Oil
  • C. Solar
  • D. Gas
Correct Answer: C
Explanation:
Solar is sustainable.
Related Question 4
Which process produces zygote?
  • A. Pollination
  • B. Fertilization
  • C. Germination
  • D. Transpiration
Correct Answer: B
Explanation:
Fusion of gametes forms zygote.
Related Question 5
Which energy is motion?
  • A. Potential
  • B. Thermal
  • C. Kinetic
  • D. Chemical
Correct Answer: C
Explanation:
Motion defines kinetic energy.