In which of the following plants does the stem perform the primary function of photosynthesis?

In a dicot stem undergoing secondary growth, which tissue is primarily responsible for the increase in girth?

Offset is a type of stem present in

Offset is a type of stem present in

In banana, pineapple and Chrysanthemum, the lateral branches originate from the basal and underground portion of main stem and then come obliquely upward giving rise to leafy shoots

These branches are called

In Ruscus, the stem is a

What is the primary function of lenticels in the stem?

In banana, pineapple and Chrysanthemum, the lateral branches originate from the basal and underground portion of main stem and then come obliquely upward giving rise to leafy shoots

These branches are called

Lateral branches with short internodes and each nodes bearing a rosette of leaves above and a tuft of roots below is found in aquatic plants like Pistia and Eichhornia. These lateral branches are called

In plants like mint and jasmine, a selender lateral branch arises from the base of the main axis and after growing aerially for sometimes, arch downwards to touch the ground. This slender branch is called

Which one of the following is an example for sub-aerial modification of stem?