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 two disadvantages of cloning..

  • Ans 1: Disadvantages of cloning are.
  • Ans 2: 1) All members of cloning are identical to each other and no genetic variability is produced.
    2) Member of clone does not show resistance to diseases and has less survival ability.
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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 two disadvantages of cloning..

  • Ans 1: Disadvantages of cloning are.
  • Ans 2: 1) All members of cloning are identical to each other and no genetic variability is produced.
    2) Member of clone does not show resistance to diseases and has less survival ability.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 2

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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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Define non-disjunction of chromosomes. Or Define chromosomal non-disjunction.

  • Ans 1: It is chromosomal non disjunction,during which spindle fibers fail to attach with chromosomes and resulting unequal distribution of chromosomes occur.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

Write about the stage of telophase of mitosis.

  • Ans 1: During telophase of mitosis,nuclear membrane and nucleolus reappear,mitotic apparatus disappears and two nucleoli are formed in one cell.
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Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

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