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

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Biology - 12th Class Biology Chapter 21 Short Questions Preparation

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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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 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.
Submit

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

Question # 1

How chromatin differs from chromosomes.

  • Ans 1: Chromatin is thread like network,it is formed when chromosomes becomes uncoiled.
    Chromosomes are composed of DNA and protenis. When chromatin is highly coiled it changes in to chromosomes.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

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 4

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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Biology
21th Chapter

12th Class Biology Chapter 21 Short Questions

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