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You are provided with floral buds of Chr...

You are provided with floral buds of Chrysanthemum in your class and are asked to count the chromosomes, then which of the following stages would you prefer to look into?

A

Metaphase

B

Telophase

C

Anaphase

D

Prophase

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The correct Answer is:
A
At metaphase, the chromosomes are clearly visible as composed of two closely associated halves (chromatids) and the chromosomes have undergone maximum contraction so, these can be counted conveniently. In metaphase chromosome align in the equator of the cell before being separated into each of the two daughter cells.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-CELL CYCLE AND CELL DIVISION-EXERCISE
  1. Centromere is rquired for

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  2. In which stage of the cell cycle are histone proteins synthesised in a...

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  3. You are provided with floral buds of Chrysanthemum in your class and a...

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  4. Which one of the following precedes re-formation of the nuclear envelo...

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  5. In the somatic cell cycle.

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  6. Crossing over that results in genetic recombination in higher organism...

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  7. Mitotic spindle is mainly composed of proteins.

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  8. Best material to study meiosis is

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  9. Which of the following occurs more than one and less than five in a ch...

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  10. If a diploid cell is treated with colchicine, then it becomes

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  11. During karyokinesis, the spindle fibres get attached to condensing chr...

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  12. Crossing over in diploid organism is responsible for

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  13. A bacterium divides every 35 minutes. If a culture containing 10^(5) c...

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  14. During cell division in apical meristem nuclear membrane reappears in

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  15. How many mitotic divisions are needed for a single cell to make 128cel...

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  16. Which of the folliwng structure will not be common to mitotic cell of ...

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  17. The exchange of genetic material between chromatids of paired homologo...

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  18. Lampbrush chromosomes are visible

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  19. The point at which the polytene chromosomes appeart to be attached tog...

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  20. Meiosis is evolutionary significant because it results in

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