Stem
Stem: Overview
This Topic covers sub-topics such as Stem, Corms, Thorns, Tendrils, Cladodes, Rhizomes, Modification of Stem, Aerial Stem Modification, Stem Tubers, Underground Stem Modification, Bulbs in Plants, Climbing Stems, Nodes of a Stem and, Internodes of a Stem
Important Questions on Stem
The most reduced form of the stem is found in

A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of root is found in aquatic plants like

A slender lateral branch arises from the base of the main axis and after growing aerially for sometime arch downward to touch the ground seen in case of

The lateral branches originating from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upward giving rise to leafy shoots seen in case of

Select the incorrect matching from the following.

Which of the following is correct about gourds?


Which of the following stem acts as an organ of perennation?

Underground stem stores food in the following except



Which of the following is incorrect about stem?


Which of the following pair are modifications of stem?

Identify a pair of the following plants which show a modification of axillary buds into tendrils and hooks respectively:
I. Hugonia
II. Duranta
III. Passiflora
IV. Dioscorea
The correct pair is:

Assertion : Prickles of plant have a single role of protection of plant.
Reason : They are superficial in origin.


The floral buds store food and help in vegetative propagation, in which of the following?

Which one of the following pairs is wrongly matched while the remaining three are correct?

