Selected MCQ

Current Question
Which plant part makes food?
  • A. Root
  • B. Stem
  • C. Leaf
  • D. Flower
Correct Answer: C
Explanation:
Leaves perform photosynthesis.
Related Question 1
Which process moves food in plants?
  • A. Transpiration
  • B. Translocation
  • C. Respiration
  • D. Diffusion
Correct Answer: B
Explanation:
Phloem transports food.
Related Question 2
Which organism makes its own food?
  • A. Heterotroph
  • B. Autotroph
  • C. Parasite
  • D. Saprophyte
Correct Answer: B
Explanation:
Autotrophs produce food via photosynthesis.
Related Question 3
The partition function (Z) is related to Helmholtz free energy (F) by:
  • A. (F = kT \ln Z)
  • B. (F = -kT \ln Z)
  • C. (F = Z/kT)
  • D. (F = k/Z)
Correct Answer: B
Explanation:
Helmholtz free energy derives from partition function logarithm.
Related Question 4
Which organism eats both plants and animals?
  • A. Herbivore
  • B. Carnivore
  • C. Omnivore
  • D. Producer
Correct Answer: C
Explanation:
Omnivores consume both.
Related Question 5
Which force acts on charged particles?
  • A. Gravitational
  • B. Magnetic
  • C. Electric
  • D. Nuclear
Correct Answer: C
Explanation:
Electric force acts on charges.