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

how and when the phragmoplast originates?

  • Ans 1: Phragmoplast originates from the Golgi vesicles or Golgi apparatus.Vesicles cuts of from the Golgi apparatus and arranged at the equator to from phragmoplast. Phragmoplast originate at the time of cytokinesis in plant 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

how and when the phragmoplast originates?

  • Ans 1: Phragmoplast originates from the Golgi vesicles or Golgi apparatus.Vesicles cuts of from the Golgi apparatus and arranged at the equator to from phragmoplast. Phragmoplast originate at the time of cytokinesis in plant cells.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 2

Question # 1

Define metastasis. Or what is metastasis?

  • Ans 1: The cell composing a malignant tumor or cancer,divide more rapidly,mostly invade surrounding tissues,get into the body's circulatory system,and set up areas of proliferation away from their site of original appearance.This spread of tumor cells and establishment of secondary area of growth is called metastasis.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Define crossing over.Give its significance.

  • Ans 1: It is exchange of segments of chromosomes between non sister chromatids. Its significance is that,it provides raw material for evolution and also from new recombination of genes.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

Define crossing over.Give its significance.

  • Ans 1: It is exchange of segments of chromosomes between non sister chromatids. Its significance is that,it provides raw material for evolution and also from new recombination of genes.
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21th Chapter

12th Class Biology Chapter 21 Short Questions

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