When a broken piece of the stem of a plant X is planted in the soil, a new plant grows from it in a week's time. The leaves of plant X also have many small entities Y in their margins which can fall to the ground alone or along with leaves and grow into new plants. (a) Name a plant which X could be. (b) What are the entities Y present on the leaves of X known as? (c) Name a plant other than X which can be reproduced from its leaves. (d) Name a common plant grown in many homes which can be propagated from its broken stems like plant X. (e) Name a kind of dormant organs present in dry stems of old grass plants lying in the fields which get activated and produce green grass plants after the rains.