Question

If you have the following parts of a rose plant – a leaf, roots, a branch, a
flower, a bud and pollen grains. Which of them can be used to grow a new rose
plant?

Answer 1

Hello mate
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Correct answer is a branch and by pollen grains
Rose is bisexual flower therefore it doesn't require pollination
A rose plant can be grown by using a branch and pollen grains

Answer 2

A new rose pant can grow from the stem cuttings of an old rose plant.

Hence, out of the following: leaves, root, branch, bud and pollen grains, the branch can be successfully used to grow a new rose plant.

It is the branch from which a portion of the stem can be collected and under favorable weather and environmental conditions will give rise to a new plant.