Q3 of 49 Page 5

Although potato tuber is an underground part, it is considered as a stem. Give two reasons.

Although potato tuber is an underground part, it is considered as a stem because:

1. They have leaf shoots arising from the nodes.


2. The tuber has internodes.


These characters are seen in stems.


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1

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Why do we refer to offspring formed by asexual method of reproduction as clones?

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Between an annual and a perennial plant, which one has a shorter juvenile phase? Give one reason.

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Rearrange the following events of sexual reproduction in the sequence in which they occur in a flowering plant: embryogenesis, fertilisation, gametogenesis, pollination.