brodidit for students
Home / Practice / Class 11 / Biology / Cell cycle
Cell cycle
5 Class 11 Biology questions with answers and explanations.
Printable worksheet with answer key
-
DNA replicates during which phase of interphase?
- 1 G2
- 2 S
- 3 M
- 4 G1
-
Chromosomes become visible during:
- 1 G1
- 2 Interphase
- 3 Prophase
- 4 Cytokinesis only
Show answer
Correct answer: Prophase
Chromatin condenses into visible chromosomes in prophase.
-
Sister chromatids separate during:
- 1 Prophase
- 2 Anaphase
- 3 Metaphase
- 4 Interphase
Show answer
Correct answer: Anaphase
They are pulled apart to opposite poles in anaphase.
-
Crossing over occurs in:
- 1 Prophase I of meiosis
- 2 Interphase
- 3 Metaphase of mitosis
- 4 Anaphase of mitosis
Show answer
Correct answer: Prophase I of meiosis
Homologous chromosomes exchange segments in prophase I.
-
Uncontrolled cell division results in:
- 1 Meiosis
- 2 Healing
- 3 Growth only
- 4 Cancer