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Question

Best chemical to induce polyploidy is

A
Maleic hydrazide
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B
ABA
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C
Acenaphthene
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D
Ethylene
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Solution

The correct option is C Acenaphthene
Acenaphthene is a polycyclic aromatic hydrocarbon (PAH) consisting of naphthalene with an ethylene bridge connecting positions 1 and 8. It is a colourless solid. Coal tar consists of about 0.3% of this compound. A number of chemicals are known to cause polyploidy. e.g., chloral hydrate, ethyl mercuric chloride, hexachlorocyclohexane and acenaphthene.
Polyploid cells and organisms are those containing more than two paired (homologous) sets of chromosomes. Most species whose cells have nuclei (Eukaryotes) are diploid, meaning they have two sets of chromosomes, one set inherited from each parent.

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