Question:

How many times the diploid number of chromosomes of Ophioglossum is more than haploid number of chromosomes of Zea mays?

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Ophioglossum has the highest known chromosome number in plants.
Always divide diploid by haploid for comparison.
Check units carefully: diploid vs haploid numbers.
Updated On: Oct 27, 2025
  • 63
  • 630
  • 126
  • 1260
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The Correct Option is A

Solution and Explanation

Ophioglossum has a diploid chromosome number of 1260. Zea mays has a haploid number of 20. The ratio of Ophioglossum diploid to Zea mays haploid is \(1260/20 = 63\). Hence, the diploid number of Ophioglossum is 63 times that of haploid Zea mays.
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