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if the number of chromosome in root cel...

if the number of chromosome in root cell is 14 , then what will be the chromosome number in syergids ?

A

14

B

21

C

7

D

28

Text Solution

Verified by Experts

The correct Answer is:
C
Root cells are diploid (2N = 14) so the haploid number is 7. Synergid cells of embryo sac of ovule are haploids so have 7 chromosome numbers
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MODERN PUBLICATION-CELL CYCLE AND CELL DIVISION-COMPETITION FILE (OBJECTIVE TYPE QUESTION)(A.MULTIPLE TYPE QUESTIONS (MCQS)):(FROM AIMPT &OTHER COMPETITIVE EXAMINATION)
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  2. A stage in mitosis that starts towards the middle of anaphase and is c...

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  3. if the number of chromosome in root cell is 14 , then what will be th...

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  4. The term synaptonemal complex refers to site of

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  5. The number of autosomes in a normal human cell is :

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  6. The chromosomes become gradually visible with compaction of chromatin ...

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  7. Choose the correctly matched pairs and correct option (a) Leptotene ...

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  8. Which of the following events are not characteristic features of telop...

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

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  10. Meiosis takes place in

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  11. A stage in cell shown in the figure, Select the answer which gives cor...

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  12. In onion root tip during metaphase stage of mitosis the number of kine...

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

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  14. In 'S' phase of the cell cycle

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  15. The enzyme recombinase is required in which stage of meiosis ?

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  16. Nuclear envelope is a derivative of

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  17. A somatic cell that has just completed the S phase of its cells cycl...

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  18. Arrange the following events of meiosis in correct sequence (a) Cro...

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  19. The number of chromosomes in meiocyte (2n) in apple is

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  20. Some cells in adult animals do not divide. They exit no G, phase and e...

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