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Assertion: Synthesis of DNA takes place ...

Assertion: Synthesis of DNA takes place in the S. phase of interphase.
Reason: Every chromosme, during metaphase, has two chromatids.

A

Both the statements A and B correct and A is the reason for B

B

Both the statements A and B are correct and A is not the reason for B

C

Statement A is wrong and B is Corret.

D

Statement A is correct and B is wrong

Text Solution

Verified by Experts

The correct Answer is:
A
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PRADEEP-CELL CYCLE AND CELL DIVISION -PRACTICE QUESTIONS(Multiple choice quetions)
  1. During mitosis ER and nucleolus begin to disappear at

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  2. Which stage of cell division do the following figures A and B represen...

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  3. Assertion: Synthesis of DNA takes place in the S. phase of interphase....

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  4. In a DNA molecule distance between two bases is

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  5. Which of the following conditions is called monosomic?

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  6. Cell divison can not be stopped in which phase of the cell cycle.

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  7. DNA replication occurs in

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  8. The exchange of segments of non-sister chromatids between chromosomes ...

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  9. the long and short arms of chromosome are designated respectively as :

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  10. Select the correct option with respect to mitosis

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  11. At metaphase, chromosmes are attached to the spindle fibres by their

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  12. Yeast cell can progress through the cell cycle in about

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  13. During gamete formation, the enzyme recombinate participates during

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  14. Given below is the representaton of a certain event at a particular st...

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  15. Identify the meiotic sage in which the homologous chromosomes separate...

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  16. The complex formed by a pair of synapsed homologous chromosomes is cal...

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  17. A stage in cell division is shown in the figure. Select the answer whi...

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  18. Meiosis takes place in

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  19. During which phase(s) of cell cycle amount of DNA in a cell remains at...

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  20. In 'S' phase of the cell cycle

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