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

Question # 1

Give affect of XYY Klinefelter syndrome.

Ans 1: The affected persons are phenotypically male but have frequently enlarged breast,tendency to tallness,Obesity,small testes with no sperms at ejaculation and under development of secondary sex characters.

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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

Discuss diakinesis in meiosis.

Ans 1: During this phase the condensation of chromosomes reaches to its maximum.At the same time separation of homologous chromosomes is completed,but still they are united at one point,more oftenly at ends.Nucleoli disappear.

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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 15

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Chapter 20

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 events occur in anaphase-I in meiosis?

Define cell cycle.Give its phase.

How cytokinesis occur in plants?

Characterize pachytene stage of meiosis.

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

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

How cytokinesis differ in plant and animal cell?

Give causes and symptoms of Down's syndrome. Or Write symptoms of Down's syndrome.

Differentiate between necrosis and apoptosis.

What events occur in anaphase of mitosis?

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 events occur in anaphase-I in meiosis?

Define cell cycle.Give its phase.

How cytokinesis occur in plants?

Characterize pachytene stage of meiosis.

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

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

How cytokinesis differ in plant and animal cell?

Give causes and symptoms of Down's syndrome. Or Write symptoms of Down's syndrome.

Differentiate between necrosis and apoptosis.

What events occur in anaphase of mitosis?

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

Give affect of XYY Klinefelter syndrome.

Discuss diakinesis in meiosis.

how and when the phragmoplast originates?

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

Give main feature of metaphase of Meiosis-1.

What changes in cell take place during diplotene?

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

Characterize pachytene stage of meiosis.

Give two disadvantages of cloning..

Define cell cycle.

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

Write down the events of metaphase of mitosis.

Describe changes occur in during G1phase.

What is Klinfelter's syndrome?

How cytokinesis differ in plant and animal cell?

Define mitotic apparatus. Or Give its functions.

Give length of cell cycle during mitosis in human cell.

Discuss diakinesis in meiosis.

Give two disadvantages of cloning..

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

What changes in cell take place during diplotene?

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

Discuss diakinesis in meiosis.

Write down the events of metaphase of mitosis.

What changes occur in a cell during apoptosis?

Differentiate between necrosis and apoptosis.

Give causes and symptoms of Down's syndrome. Or Write symptoms of Down's syndrome.

How chromatin differs from chromosomes.

Give length of cell cycle during mitosis in human cell.

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

Give four importance of mitosis.

Cancer is uncontrolled cell division. Explain.

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.