Question

A potted plant is growing in a transparent glass jar. In this plant, X and Y are the two growing parts having a lot of meristematic tissue. It is observed that the part X of this plant exhibits positive geotropism but negative phototropism. On the other hand, part Y of this plant exhibits negative geotropism but positive phototropism.
(a) Name the part X of plant.
(b) Name the part Y of plant.
(c) Which part of the plant, X or Y, will exhibit positive hydrotropism?
(d) Which part of the plant, X or Y, can have tendrils on it?
(e) Which phytohormone causes the part X to exhibit negative phototropism?

Answer 1

Answer:

The plant could not remain healthy because it cause blockage of stomata, as petroleum jelly will not let the air to pass through and will make the stomata unable to respire and the petroleum jelly absorbs heat this will adversely affect the plant and will harm its leaves and stomata's.