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

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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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

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

Question # 1

What are the events of zygotene of prophase -I of meiosis?

  • Ans 1: First essential phenomenon of meiosis i.e, pairing of homologous chromosomes called synapsis starts. Each paired but not fused,complex structure is called bivalent or tetrad.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 3

Question # 1

Define cell cycle.

  • Ans 1: The cell undergoes a sequence of changes,which involves period of growth,replication of DNA,followed by cell division.This sequence of changes is called cell cycle.
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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

Describe changes occur in during G1phase.

  • Ans 1: It is period of extensive metabolic activities,in which cell normal grows in size,specific enzymes are synthesized and DNA base units are accumulated for the DNA synthesis
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21th Chapter

12th Class Biology Chapter 21 Short Questions

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