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

Write symptoms of Turner's syndrome.

  • Ans 1: Individuals with this condition do not survive pregnancy and aborted.Those who survive have female appearance with short stature webbed neck,without ovaries and complete absence of germ cells.
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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

Write symptoms of Turner's syndrome.

  • Ans 1: Individuals with this condition do not survive pregnancy and aborted.Those who survive have female appearance with short stature webbed neck,without ovaries and complete absence of germ cells.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 2

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

Question # 1

How does cell death help in development of multicellular organisms?

  • Ans 1: Programmed cell death help in proper control of multicellular organisms development,which may lead to deletion of entire structure (e.g.,the tail of the developing human embryo) or a part of structure (e.g.,tissues between developing digits).Cell death even controls number of neurons because most of the neurons in human body die during development.
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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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21th Chapter

12th Class Biology Chapter 21 Short Questions

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