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Federal (FBISE) · Chapter test · Free

9th Class Biology Chapter 4 Test04. Cell Cycle

30 marks · 40 minutes · 21 questions. Covers: 04. Cell Cycle.

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9th Class Biology Chapter 4 Test

9th Class · Biology · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

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

  1. Define / Describe / Explain briefly selective breeding.
  2. Define / Describe / Explain briefly vestigial organs.
  3. Explain the procedure of plant tissue culture and illustrate your answer with suitable diagram.
  4. Interphase is divided into how many phases?
    1. Four
    2. Three
    3. Two
    4. One
  5. Those cells which give rise to gametes are called:
    1. Somatic cells
    2. Spindle Fibers
    3. Germ line cells
    4. Neurons
  6. Describe and sketch light reactions of photosynthesis.
  7. 90% of the total time of the cell cycle is occupied by:
    1. Mitosis
    2. Interphase
    3. Cytokinesis
    4. Karyokinesis
  8. Substance and energy required for the replication of DNA is accumulated in the cell during:
    1. G1
    2. G2
    3. S phase
    4. M phase
  9. Meiosis was discovered in:
    1. 1875
    2. 1876
    3. 1877
    4. 1878
  10. Genetic variations take place during:
    1. Prophase I
    2. Prophase II
    3. Anaphase I
    4. Telophase II

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. What happens during S-phase?
  2. The word "Saccharon" means:
    1. Sweet
    2. Saccharides
    3. Sugar
    4. Carbohydrates
  3. Both skin cells and cancerous cells divide rapidly. Why cancerous cells are harmful but skin cells are not?
  4. What is the difference between somatic and germ line cells?
  5. What happens to cell cycle during cancer?
  6. What is the difference between cytokinesis of a plant cell and an animal cell?
  7. What is energy of activation? Explain with reference to enzyme.
  8. Explain spindle apparatus in detail.

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Meiosis II is identical to mitosis, explain.
  2. A cell is shown in this diagram. Answer following questions after observing it. (a). Give at least one finding on the basis of which you can identify it animal or plant cell. (b) Identify the stage of cell division the given cell is passing through? (c) Enlist the reasons of your identification.Question diagram
  3. Define/ Describe/ Explain briefly male gametophyte.