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Which of the following statements is correct?

1. The spores are non-motile in Mucor.
2. Sphagnum, a moss, provides peat that has long been used as fuel. It has the capacity to retain water for long periods and as such used to cover the plant roots during transportation.
3. Vegetative reproduction in mosses is by fragmentation and budding in the secondary protonema.
4. In sexual reproduction, the sex organs antheridia and archegonia are produced at the apex of the leafy shoots.

Correct answer: Sphagnum, a moss, provides peat that has long been used as fuel. It has the capacity to retain water for long periods and as such used to cover the plant roots during transportation.

Solution

Sphagnum is the peat moss: it forms peat used as fuel and can retain large amounts of water, which is why it has been used to pack plant roots during transport. The other statements either describe different organisms or are inaccurate for moss reproduction.

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