Question

Renu soaked some moong seeds overnight in water. Next day, after draining out the water, she wrapped the seeds in a wet cloth. After a day, she observed small white structures growing out of the seeds. These small white structures will develop into:
A. Stems
B. Roots
C. Leaves
D. Flowers

Answer 1

Hint:- Germination process is distinguished into three main phases; in the first phase rapid imbibitions of water takes place and then metabolism gets reactivated in the second phase. Third phase includes radical protrusion.

Complete Answer:-
The initial step is to soak the dry seeds so they retain water to start the germination cycle. Any seed that floats won't be viable. Given a day of splashing, the seeds will expand as they take in water. Mung seeds more than double their weight, and almost triple their volume. While the water level in the compartment doesn't change, the expanding beans take up a more prominent extent of the volume.
The seed husk, called the testa, expands more rapidly than the undeveloped seedling inside. The main indication of germination is the rise of the white root tip called the radicle. Since this development cycle requires oxygen, the beans are depleted for introduction to air while growing. With every day, these roots develop longer. On the off chance that the beans are grown in soil, there's nothing to see yet over the surface while this is going on.

The development of the radicle starts the splitting of the testa. Next the plumule - the plant's first bud - sheds the testa by outgrowing it. This will end up being over the ground a piece of the erect grown-up plant, starting with the cotyledons - the main arrangement of basic, early stage leaves.

Note:- As the plumule gets through the soil surface, the cotyledons at its end open to introduce the initial two leaves, making the mung bean a dicot. These early stage leaves have a straightforward oval, dislike the grown-up plant's actual leaves, which will become later. They hold supplements from the first seed, to take care of the advancement of the main genuine leaves. As the leaves create, the cotyledons shrink, and the youthful plant has left its seedling stage.