Main photosynthetic organs of $Lathyrus \text{ } sativus$ plant are

When the apex is pointed,hard and sharp like a spine as in Date Palm,it is called

Swollen spongy petiole is present in

$A$ compound leaf,which appears as a simple leaf due to the suppression of one or two leaflets,is found in which of the following plants?

Identify the plant whose leaf is shown in the image.

$A$ unifoliate compound leaf can be differentiated from a simple leaf by the presence of: