When the inner half of the oospore after the first division develops into an embryo and outer half develops into suspensor. This type of development is called

The plant part which consists of two generations one within the other, is

The cylindrical portion below the level of cotyledons on embryonal axis is

Examine the figure given below and select the right option giving all the four parts a, b, c and d. Correctly identify

$a \quad\;b \quad\;c\quad\; d$

Identify $X$ and $Y$ from the given figure

Examine the figure given below and select the right option giving all the four parts a, b, c and d. Correctly identify

$a \quad\;b \quad\;c \quad\;d$