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 main feature of metaphase of Meiosis-1.

Ans 1: Nuclear membrane disorganizes.Spindle fibers originate and attached with kinetochore of homologous chromosomes from each pole and arrange bivalent at equator.

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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 main feature of metaphase of Meiosis-1.

Ans 1: Nuclear membrane disorganizes.Spindle fibers originate and attached with kinetochore of homologous chromosomes from each pole and arrange bivalent at equator.

Submit

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

Question # 1

Define crossing over.Give its significance.

Ans 1: It is exchange of segments of chromosomes between non sister chromatids. Its significance is that,it provides raw material for evolution and also from new recombination of genes.

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

Question # 1

What is apoptosis?

Ans 1: The internal programme of events and sequence of morphological changes by which all cell commits suicide is called apoptosis.

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

Question # 1

Give two disadvantages of cloning..

Ans 1: Disadvantages of cloning are.
Ans 2: 1) All members of cloning are identical to each other and no genetic variability is produced.
2) Member of clone does not show resistance to diseases and has less survival ability.

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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

Give main feature of metaphase of Meiosis-1.

What is importance of bivalent formation?

What events occur in anaphase-I in meiosis?

Define mitotic apparatus. Or Give its functions.

What events occur in anaphase of mitosis?

What change occurs in dividing cell during zygotene?

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

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

Give affect of XYY Klinefelter syndrome.

Define cell cycle.Give its phase.

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 main feature of metaphase of Meiosis-1.

What is importance of bivalent formation?

What events occur in anaphase-I in meiosis?

Define mitotic apparatus. Or Give its functions.

What events occur in anaphase of mitosis?

What change occurs in dividing cell during zygotene?

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

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

Give affect of XYY Klinefelter syndrome.

Define cell cycle.Give its phase.

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

Define crossing over.Give its significance.

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

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

What change occurs in dividing cell during zygotene?

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

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

Characterize pachytene stage of meiosis.

How cytokinesis occur in plants?

how and when the phragmoplast originates?

What is interphase? Write the name of its sub stages

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

What is apoptosis?

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

What is Klinfelter's syndrome?

Write down the events of metaphase of mitosis.

Define cell cycle.Give its phase.

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

Define cell cycle.

How cytokinesis occur in plants?

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

Define metastasis. Or what is metastasis?

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

Give two disadvantages of cloning..

Write a brief note on turner's syndrome.

Describe changes occur in during G1phase.

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

Distinguish between karyokinesis and cytokinesis.

Define metastasis. Or what is metastasis?

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

What events occur in anaphase-I in meiosis?

Discuss diakinesis in meiosis.

What events occur in anaphase of mitosis?

12th Class Biology Chapter 21 Short Questions

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Describe changes occur in during G₁phase.