Find the 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 "

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Biology - 12th Class Biology Chapter 21 Short Questions Preparation

Question # 1

What are the events of S-Phase?

Ans 1: Following G₁the S-Phase (synthesis phase) during which the DNA is synthesized and chromosomes number is doubled.

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Prepare Complete Set Wise Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

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12th Class Biology Chapter 21 Short Questions Preparation - Set 1

Question # 1

What are the events of S-Phase?

Ans 1: Following G₁the S-Phase (synthesis phase) during which the DNA is synthesized and chromosomes number is doubled.

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

Question # 1

Distinguish between karyokinesis and cytokinesis.

Ans 1: Karyokinesis: Division of nucleus is called karyokinesis.
Cytokinesis: Division of cytoplasm is called cytokinesis.

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

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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12th Class Biology Chapter 21 Short Questions Preparation - Set 4

Question # 1

What events occur in anaphase-I in meiosis?

Ans 1: During the anaphase of meiosis -1.The spindle fibers contract and each member of homologous chromosomes moves towards each pole.In this way half chromosomes reaches to one pole and other half reaches to another pole.

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Biology

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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Chapter 21

Chapter 22

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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 "

Biology - 12th Class Biology Chapter 21 Short Questions Preparation

What are the events of S-Phase?

Define mitotic apparatus. Or Give its functions.

Give the chances of occurrence of Down's syndrome in teenage mothers and a forty years old mother's offspring.

Write a brief note on turner's syndrome.

Differentiate between cancer cell and normal cell or Write a least three characters of cancer cells.

Define cell cycle.

Define non-disjunction of chromosomes. Or Define chromosomal non-disjunction.

Give four important functions of mitosis.

Distinguish between karyokinesis and cytokinesis.

Cancer is uncontrolled cell division. Explain.

Prepare Complete Set Wise Questions For Chapter 7 "12th Class Biology Chapter 21 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

12th Class Biology Chapter 21 Short Questions Preparation - Set 1

What are the events of S-Phase?

Define mitotic apparatus. Or Give its functions.

Give the chances of occurrence of Down's syndrome in teenage mothers and a forty years old mother's offspring.

Write a brief note on turner's syndrome.

Differentiate between cancer cell and normal cell or Write a least three characters of cancer cells.

Define cell cycle.

Define non-disjunction of chromosomes. Or Define chromosomal non-disjunction.

Give four important functions of mitosis.

Distinguish between karyokinesis and cytokinesis.

Cancer is uncontrolled cell division. Explain.

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

Distinguish between karyokinesis and cytokinesis.

Give four important functions of mitosis.

Write a brief note on turner's syndrome.

Give two disadvantages of cloning..

What is Klinfelter's syndrome?

Write about the stage of telophase of mitosis.

What changes occur in a cell during apoptosis?

Define mitotic apparatus. Or Give its functions.

What are three sets of microtubules which originate from each pair of centriole during mitosis?

Define crossing over.Give its significance.

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

Describe changes occur in during G1phase.

What are the events of S-Phase?

Give four importance of mitosis.

Differentiate between necrosis and apoptosis.

What changes in cell take place during diplotene?

Write symptoms of Turner's syndrome.

Define cell cycle.

Give length of cell cycle during mitosis in human cell.

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

Distinguish between karyokinesis and cytokinesis.

12th Class Biology Chapter 21 Short Questions Preparation - Set 4

What events occur in anaphase-I in meiosis?

What events occur in anaphase of mitosis?

Write about the stage of telophase of mitosis.

Write symptoms of Turner's syndrome.

How chromatin differs from chromosomes.

What is interphase? Write the name of its sub stages

What changes in cell take place during diplotene?

What is importance of kinetochore in the allignment of chromosomes during mitosis?

Give main feature of metaphase of Meiosis-1.

Give four importance of mitosis.

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.