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

What change occurs in dividing cell during zygotene?

  • Ans 1: Pairing of chromosomes takes place during the zygetene stage of the meiosis.
    Pairing may start from center to towards end or may start from one end to another end.
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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

What change occurs in dividing cell during zygotene?

  • Ans 1: Pairing of chromosomes takes place during the zygetene stage of the meiosis.
    Pairing may start from center to towards end or may start from one end to another end.
Submit

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

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 3

Question # 1

Differentiate between cancer cell and normal cell or Write a least three characters of cancer cells.

  • Ans 1: Cancer cell can be distinguished from normal cells because they are less differentiated than normal cells,exhibit the characteristics of rapidly growing cell,i.e,is high nucleus to cytoplasmic ratio,prominent nucleoli and many mitosis.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

What is importance of kinetochore in the allignment of chromosomes during mitosis?

  • Ans 1: Spindle fibers attaches at kinetochore of chromosomes and they help to align chromosomes at the center of cell to from equatorial plate or metaphase plate.
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Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

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