The sensitive thread-like structures found in climbers which can coil around a support are

Modification of stem for reproduction is found in.

In Garlic $(Allium\,\, sativum)$ each fleshy scale represents a bud called bulblet or clove. It is a bud because

In Opuntia the stem is modified into a flattened green structure to perform the function of leaves (i.e., photosynthesis). Cite some other examples of modifications of plant parts for the purpose of photosynthesis.

Assertion : Ginger has a prostrate growing rhizome.
Reason : Shoot growth is not effected by gravity

Which one of the following is correctly matched?