The growth period of a plant is generally divided into:

Growth at the cellular level is the increase in the amount of:

Developing embryo (in vitro) shows

Find out the correct statement$(s)$.
$(a)$ Growth in plants is internal/intrinsic and open-ended.
$(b)$ Formation of cellular materials is called real or protoplasmic growth.
$(c)$ Plant growth is diffused only during the early embryonic stage.

In the expression,$W_1 = W_0 e^{rt}$,what do $W_1, W_0, r,$ and $t$ represent?

Explain the factors affecting growth.