Stem
Stem: Overview
This Topic covers sub-topics such as Stem, Corms, Thorns, Tendrils, Cladodes, Rhizomes, Modification of Stem, Aerial Stem Modification, Shoot System, Stem Tubers, Underground Stem Modification, Bulbs in Plants, Succulent Stem and, Climbing Stems
Important Questions on Stem
The most reduced form of the stem is found in
Read the following statement:
I. Pneumatophores help the plant root to take air or oxygen.
II. Floating hydrophytes possess well developed root cap.
III. Edible part of Zingiber is underground stem.
IV. Prop roots contain root cap.
V. Cladodes are green stems of limited growth which have taken over the function of photosynthesis from leaves.
How many of the above statements are incorrect?
All the plant parts observed below the soil may not be roots - justify with two examples.
Vegetative propagule of Curcuma is _____.
Which among the following is not a part of the shoot system?
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.
Assertion : Stem develops from hypocotyl of embryo.
Reason : Internodes bear axillary buds.
The floral buds store food and help in vegetative propagation, in which of the following?
Tip of twiner is sensitive and coils around support itself. This coiling is called
In Euphorbia, fleshy photosynthetic structures are
The aerial stem modification found in Bougainvillea
Choose the correct option w.r.t. discoid stem without any stored food.
Modified axillary buds help in climbing in which of the following?
