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

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

Ans 1: These are meiotic errors due to non disjunction and due to unequal distribution of chromosomes.

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

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Set 3

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Set 4

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

Question # 1

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

Ans 1: These are meiotic errors due to non disjunction and due to unequal distribution of chromosomes.

Submit

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

Question # 1

Define metastasis. Or what is metastasis?

Ans 1: The cell composing a malignant tumor or cancer,divide more rapidly,mostly invade surrounding tissues,get into the body's circulatory system,and set up areas of proliferation away from their site of original appearance.This spread of tumor cells and establishment of secondary area of growth is called metastasis.

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

Question # 1

Define metastasis. Or what is metastasis?

Ans 1: The cell composing a malignant tumor or cancer,divide more rapidly,mostly invade surrounding tissues,get into the body's circulatory system,and set up areas of proliferation away from their site of original appearance.This spread of tumor cells and establishment of secondary area of growth is called metastasis.

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

Question # 1

Give four importance of mitosis.

Ans 1: i) It transfers unchanged genetic information to the daughter cells
ii) It helps in all types of asexual reproduction like cloning,tissue culture etc
iii) It helps in healing of wounds
iv) It maintains the chromosomes number constant.

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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

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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 only cause of Down's syndrome and Klinefelter syndrome.

How does cell death help in development of multicellular organisms?

Cancer is uncontrolled cell division. Explain.

Define mitotic apparatus. Or Give its functions.

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

Give affect of XYY Klinefelter syndrome.

What is Klinfelter's syndrome?

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

Give two disadvantages of cloning..

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

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 only cause of Down's syndrome and Klinefelter syndrome.

How does cell death help in development of multicellular organisms?

Cancer is uncontrolled cell division. Explain.

Define mitotic apparatus. Or Give its functions.

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

Give affect of XYY Klinefelter syndrome.

What is Klinfelter's syndrome?

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

Give two disadvantages of cloning..

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

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

Define metastasis. Or what is metastasis?

How chromatin differs from chromosomes.

What are the events of S-Phase?

What change occurs in dividing cell during zygotene?

What events occur in anaphase of mitosis?

Give affect of XYY Klinefelter syndrome.

Characterize pachytene stage of meiosis.

How does cell death help in development of multicellular organisms?

Distinguish between karyokinesis and cytokinesis.

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

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

Define metastasis. Or what is metastasis?

What is apoptosis?

Define mitotic apparatus. Or Give its functions.

Write a brief note on turner's syndrome.

What events occur in anaphase of mitosis?

What is interphase? Write the name of its sub stages

How chromatin differs from chromosomes.

Describe changes occur in during G1phase.

Give two disadvantages of cloning..

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

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

Give four importance of mitosis.

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

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

What events occur in anaphase of mitosis?

What are the events of S-Phase?

Differentiate between necrosis and apoptosis.

What change occurs in dividing cell during zygotene?

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

How cytokinesis occur in plants?

Discuss diakinesis in meiosis.

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.