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 "

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

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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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

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 2

Question # 1

What is importance of bivalent formation?

Ans 1: Due to bivalent formation of homologous chromosomes,the non sister chromatids exchange their segment during the crossing over resulting in new recombination.

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

Question # 1

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

Ans 1: Programmed cell death helps in proper control of multicellular development which lead to deletion of entire structure (e.g, the tail of developing human embryos) or part of structure (e.g tissue between developing digits.)

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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 15

Chapter 16

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Chapter 21

Chapter 22

Chapter 23

Chapter 24

Chapter 25

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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

Define cell cycle.

How chromatin differs from chromosomes.

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

What is apoptosis?

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

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

What is importance of bivalent formation?

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

Define mitotic apparatus. Or Give its functions.

how and when the phragmoplast originates?

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

Define cell cycle.

How chromatin differs from chromosomes.

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

What is apoptosis?

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

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

What is importance of bivalent formation?

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

Define mitotic apparatus. Or Give its functions.

how and when the phragmoplast originates?

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

What is importance of bivalent formation?

Define mitotic apparatus. Or Give its functions.

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

Cancer is uncontrolled cell division. Explain.

What is apoptosis?

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

Describe changes occur in during G1phase.

How does cell death help in development of multicellular organisms?

Characterize pachytene stage of meiosis.

Give length of cell cycle during mitosis in human cell.

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

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

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

What changes occur in a cell during apoptosis?

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

Write a brief note on turner's syndrome.

Discuss diakinesis in meiosis.

Differentiate between necrosis and apoptosis.

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

What is importance of bivalent formation?

What is Klinfelter's syndrome?

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

What are the events of S-Phase?

How does cell death help in development of multicellular organisms?

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

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

Discuss diakinesis in meiosis.

Give length of cell cycle during mitosis in human cell.

What change occurs in dividing cell during zygotene?

Define mitotic apparatus. Or Give its functions.

What is Klinfelter's syndrome?

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

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.