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

Define cell cycle.Give its phase.

  • Ans 1: Events or changes occur during the division of a cell is called cell cycle.It has two phase
    i) Interphase ii) Mitotic phase.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Give the chances of occurrence of Down's syndrome in teenage mothers and a forty years old mother's offspring.

  • Ans 1: The chances of teenage mother having down's syndrome child is one in many thousands of forty years old mother,one in hundred chance and by forty five the risk is three times greater.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

What are three sets of microtubules which originate from each pair of centriole during mitosis?

  • Ans 1: Three sets microtubules originate from centrioles are asteral microtubules radiate outward and from aster while other two sets of microtubules compose the spindle i.e the kinetochore microtubules and polar microtubules.
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Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

Here you can prepare 12th Class Biology Chapter 21 (Cell Cycle). Click the button for 100% free full practice.

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