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

  • Total Questions10

  • Available Sets4

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Biology - 12th Class Biology Chapter 21 Short Questions Preparation

Question # 1

Give four importance of mitosis.

  • Ans 1: i) It transfers unchanged genetic information to the daughter cells
    ii) It helps in all types of asexual reproduction like cloning,tissue culture etc
    iii) It helps in healing of wounds
    iv) It maintains the chromosomes number constant.
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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 four importance of mitosis.

  • Ans 1: i) It transfers unchanged genetic information to the daughter cells
    ii) It helps in all types of asexual reproduction like cloning,tissue culture etc
    iii) It helps in healing of wounds
    iv) It maintains the chromosomes number constant.
Submit

12th Class Biology Chapter 21 Short Questions Preparation - Set 2

Question # 1

Name only stages of prophase I of meiosis.

  • Ans 1: Following are the sub stages of prophase I of meiosis
  • Ans 2: i) Leptotene ii) zygotene iii) pachytene iv) diplotene v) diakinesis
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

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 4

Question # 1

Give only cause of Down's syndrome and Klinefelter syndrome.

  • Ans 1: These are meiotic errors due to non disjunction and due to unequal distribution of chromosomes.
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21th Chapter

12th Class Biology Chapter 21 Short Questions

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