Biology

Cell Cycle and Chromosomes

1,219 Questions

Explore a curated list of questions covering the cell cycle, mitosis, and meiosis. Topics include DNA replication, chromosomal structures, and genetic disorders. This material is essential for students preparing for biology and general science competitive exams.

Cell cycle eventsDNA replicationMeiosis processChromosomal structuresGenetic disorders

Cell Cycle and Chromosomes Questions

Multiple choice

Which of the following sentences is incorrect?

  1. The nucleolus disappears during early prophase.

  2. Centrosomes are essential for spindle formation.

  3. A single centromere is inherited by a cell during cell division.

  4. Centrosomes polymerise a protein called tubulin to help form the microtubule apparatus.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Centrosomes are not essential for spindle formation. 

Multiple choice

Which of the following statements is true about G1 phase?

  1. DNA content doubles in G1 phase.

  2. There is no change in DNA content of cell in G1 phase.

  3. Chromatin treads are formed in G1 phase.

  4. No cell organelles are formed in G1 phase.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There is no change in DNA content of cell in G1 phase.

Multiple choice

Cell cycle continues in

  1. meiosis

  2. mitosis

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cell cycle continues in mitosis.