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

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

Ans 1: The cause of Down's syndrome is the missing of 21^stchromosomes due to non disjunction. The affected individuals have a flat,broad face,squint eyes with folds in the inner corner and protruding tongue,mental retardation and defective development of central nervous system.

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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

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

Ans 1: The cause of Down's syndrome is the missing of 21^stchromosomes due to non disjunction. The affected individuals have a flat,broad face,squint eyes with folds in the inner corner and protruding tongue,mental retardation and defective development of central nervous system.

Submit

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

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 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

Submit

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

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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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 18

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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

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

Give only cause of Down's syndrome and Klinefelter syndrome.

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

Define mitotic apparatus. Or Give its functions.

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

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 affect of XYY Klinefelter syndrome.

Cancer is uncontrolled cell division. Explain.

What events occur in anaphase-I in meiosis?

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

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

Give only cause of Down's syndrome and Klinefelter syndrome.

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

Define mitotic apparatus. Or Give its functions.

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

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 affect of XYY Klinefelter syndrome.

Cancer is uncontrolled cell division. Explain.

What events occur in anaphase-I in meiosis?

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

Describe changes occur in during G1phase.

What is importance of bivalent formation?

Name only stages of prophase I of meiosis.

What are the events of S-Phase?

Give main feature of metaphase of Meiosis-1.

What is apoptosis?

Differentiate between malignent and benign tumor.

Differentiate between necrosis and apoptosis.

Define cell cycle.Give its phase.

What events occur in anaphase-I in meiosis?

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

Describe changes occur in during G1phase.

How chromatin differs from chromosomes.

Write down the two functions of programmed death of a cell.

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

how and when the phragmoplast originates?

What change occurs in dividing cell during zygotene?

Give main feature of metaphase of Meiosis-1.

What is Klinfelter's syndrome?

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

Differentiate between malignent and benign tumor.

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

What are the events of S-Phase?

Define cell cycle.Give its phase.

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

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

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

Describe changes occur in during G1phase.

Give main feature of metaphase of Meiosis-1.

Define cell cycle.

What events occur in anaphase-I in meiosis?

Write a brief note on turner's syndrome.

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.

Describe changes occur in during G₁phase.

Describe changes occur in during G₁phase.