9th Class Biology Chapter 4 TestCell Cycle

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1.  The number of chromosomes is maintained by:

   1. Mitosis 

   2. Meiosis 

   3. Budding 

   4. Fragmentation 

2.  During G1 phase cell involves in:

   1. Replication of DNA 

   2.  Duplication of chromosomes 

   3.  Making proteins 

   4. Repairing 

3. The series of events that take place in a eukaryotic cell from its formation to it's division into two daughter cells:

   1. Nitrogen cycle

   2. Biochemical cycle

   3. Cell cycle

   4. Carbon cycle

4. The chromosomes attach with spindle fibers arranged themselves along the equator of the cell during which phase of cell cycle:

   1. Prophase

   2. Metaphase

   3. Anaphase

   4. Telophase

5. Increase in size and no of cells is called:

   1. Growth 

   2. Cell replacement 

   3. Regeneration 

   4. Variation 

6. At which stage of mitosis chromosomes line up in the centre?

   1. Prophase 

   2. Metaphase

   3. Anaphase

   4. Telophase

7. Gametes are produce by:

   1. Mitosis

   2. Meiosis

   3. Binary fission

   4. Budding

8. Which of the following is false about prophase:

   1. Nuclear envelope breaks

   2. Nucleolus breaks

   3. Centrosome duplicates

   4. Centrosome remain near the nucleus 

9. Which of the following is NOT a characteristic of mitosis?

   1. It occurs in somatic cells

   2. It results in genetically identical daughter cells

   3. The chromosome number is halved in daughter cells

   4. Its results in the formation of two daughter cells

10. Which of the following statements describes the differences between mitosis and meiosis:

    1. Chromosome become visible

    2. Two daughter cells are produced in mitosis and four are produced in meiosis

    3. Cytokinesis occurs

    4. Sister chromatids separate