brodidit for students
Cell cycle
Class 11 · Biology · 8 questions
Name: ____________________ Date: ____________
DNA replicates during which phase of interphase?
- A G2
- B S
- C M
- D G1
Chromosomes become visible during:
- A G1
- B Interphase
- C Prophase
- D Cytokinesis only
Sister chromatids separate during:
- A Prophase
- B Anaphase
- C Metaphase
- D Interphase
Crossing over occurs in:
- A Prophase I of meiosis
- B Interphase
- C Metaphase of mitosis
- D Anaphase of mitosis
Uncontrolled cell division results in:
- A Meiosis
- B Healing
- C Growth only
- D Cancer
During which phase does the cell grow and make proteins before DNA replication?
- A M
- B S
- C G1
- D G2
Cytokinesis is the division of the:
- A DNA
- B Chromosome
- C Nucleus
- D Cytoplasm
The number of daughter cells formed from one cell by meiosis is:
- A Eight
- B Four
- C One
- D Two
Answer key
1. B, 2. C, 3. B, 4. A, 5. D, 6. C, 7. D, 8. B
The S phase is the synthesis phase.
Chromatin condenses into visible chromosomes in prophase.
They are pulled apart to opposite poles in anaphase.
Homologous chromosomes exchange segments in prophase I.
Cells that divide without control form tumours.
G1 is the first gap phase.
The cell divides into two.
Meiosis gives four haploid cells.