Fsc part 2 online preparation for biology chapter 21 (Cell Cycle)

Online Short Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 21 Short Questions Preparation

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Biology - 12th Class Biology Chapter 21 Short Questions Preparation

Question # 1

Give length of cell cycle during mitosis in human cell.

  • Ans 1: In human average cell cycle is about is 24 hours Mitosis takes 30 minutes, G1phase takes 9 hours, S-phase takes 10 hours, and G2 phase takes 4.5 hours.
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Prepare Complete Set Wise Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

12th Class Biology Chapter 21 Short Questions Preparation - Set 1

Question # 1

Give length of cell cycle during mitosis in human cell.

  • Ans 1: In human average cell cycle is about is 24 hours Mitosis takes 30 minutes, G1phase takes 9 hours, S-phase takes 10 hours, and G2 phase takes 4.5 hours.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 2

Question # 1

Differentiate between malignent and benign tumor.

  • Ans 1: Maligent tumor: Malignant tumor or cancer divides more rapidly,mostly invade surrounding tissues get enter in circulatory system for spreading into other body parts.
  • Ans 2: Benign tumor: The small sized local tumor is called benign tumor.Its cells behaves like normal cells and less dangerous.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Define cell cycle.

  • Ans 1: The cell undergoes a sequence of changes,which involves period of growth,replication of DNA,followed by cell division.This sequence of changes is called cell cycle.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

Write down the events of metaphase of mitosis.

  • Ans 1: The Kinetochore fibers of spindles attach to the kinetochore region (specialized area in centromere) of chromosomes and align them at the equator of the spindle forming equatorial plate or metaphase plate.
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21th Chapter

12th Class Biology Chapter 21 Short Questions

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