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

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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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

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.
Submit

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

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

Question # 1

Write down the events of metaphase of mitosis.

  • Ans 1: The Kinetochore fibers of spindles attach to the kinetochore region (specialized area in centromere) of chromosomes and align them at the equator of the spindle forming equatorial plate or metaphase plate.
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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

Here you can prepare 12th Class Biology Chapter 21 (Cell Cycle). Click the button for 100% free full practice.

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