Selected MCQ

Current Question
Which phase of meiosis involves crossing over?
  • A. Prophase I
  • B. Metaphase II
  • C. Anaphase I
  • D. Telophase II
Correct Answer: A
Explanation:
Homologous recombination occurs in prophase I.
Related Question 1
Crossing over during meiosis contributes directly to:
  • A. DNA replication arrest
  • B. Genetic recombination
  • C. Chromosome number doubling
  • D. Cytokinesis prevention
Correct Answer: B
Explanation:
Exchange between homologous chromatids creates new allele combinations.
Related Question 2
Which cycle involves runoff?
  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Correct Answer: C
Explanation:
Runoff is water cycle component.
Related Question 3
Which bond involves delocalized electrons?
  • A. Ionic
  • B. Covalent
  • C. Metallic
  • D. Hydrogen
Correct Answer: C
Explanation:
Metallic bonding has electron sea.
Related Question 4
The Berry phase arises due to:
  • A. Dissipation
  • B. Cyclic adiabatic evolution
  • C. Thermal fluctuations
  • D. Measurement collapse
Correct Answer: B
Explanation:
Geometric phase accumulates during cyclic parameter evolution.
Related Question 5
Which cycle involves precipitation?
  • A. Nitrogen
  • B. Carbon
  • C. Water
  • D. Rock
Correct Answer: C
Explanation:
Precipitation is part of water cycle.