Refer the given figure of a cell. Which organelle is more in number ? Also, identify among P, Q, R and S, the organelle which is responsible for transmission of hereditary information.

Endoplasmic reticulum; P

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Mitochondrion; Q

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Ribosome; R

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Golgi body; S

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Solution

The correct option is B Mitochondrion; Q
Mitochondria is more in number in the given figure. Mitochondria is the powerhouse of the cell because it is the site where ATP is produced. It also contains its own DNA.
The organelle responsible for transmission of hereditary characteristics is the nucleus. It is because of the presence of DNA in the nucleus (represented by Q). Thus, the correct answer is option B.

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