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

Define mitotic apparatus. Or Give its functions.

  • Ans 1: Mitotic apparatus composed of spindle fibers,centriols and asters.Mitotic apparatus plays an important role in cell division and equal distribution of chromosomes during cell division.
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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

Define mitotic apparatus. Or Give its functions.

  • Ans 1: Mitotic apparatus composed of spindle fibers,centriols and asters.Mitotic apparatus plays an important role in cell division and equal distribution of chromosomes during cell division.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 2

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 3

Question # 1

Give affect of XYY Klinefelter syndrome.

  • Ans 1: The affected persons are phenotypically male but have frequently enlarged breast,tendency to tallness,Obesity,small testes with no sperms at ejaculation and under development of secondary sex characters.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

Characterize pachytene stage of meiosis.

  • Ans 1: Pairing of homologous chromosomes is completed,chromosomes become further thick and short and crossing over takes places by chiasmata formation.
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Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

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