Which of the following statements regarding the anomalous secondary growth in Boerhaavia is INCORRECT?
A variant of cambium outside the vascular bundles
Concentric rings of secondary vascular bundles
Presence of medullary bundles
Inverted vascular bundles
Related Questions
Offset is a type of stem present in
Pistia
Colocasia
Oxalis
Potato
Which one of the following statements are true? I.If the stem is joined with solid nodes and hollow internodes, it is called caudex. II.In Tridax, the stem is decumbent. III.Corm is a condensed from of rhizome growing more or less in vertical direction. IV.Sucker is an underground modification of stem. V.Biparous type of cymose branching is seen in Saraca.
I, IV and V
II and III
II, III and V
III and IV
Sub-aerial stem modification with long internode is
Tuber
Phyllode
Phylloclade
Runner
Which of the following is NOT a function of lenticels in woody stems?
Gaseous exchange
Transport of water and minerals
Transpiration
Providing a pathway for pathogens
The primary function of cladodes and phylloclades in plants is:
Photosynthesis
Water storage
Support
Defense
The sharp, pointed structures that provide protection to Bougainvillea plants are modifications of:
Leaves
Stems
Stipules
Bracts
In plants like Asparagus, the needle-like structures that perform photosynthesis are modified:
Stems
Leaves
Roots
Flowers
A horizontal underground stem is a
Corm
Phylloclade
Rhizome
Rhizoid
Which one of the following statements are true? I.If the stem is joined with solid nodes and hollow internodes, it is called caudex. II.In Tridax, the stem is decumbent. III.Corm is a condensed from of rhizome growing more or less in vertical direction. IV.Sucker is an underground modification of stem. V.Biparous type of cymose branching is seen in Saraca.
I and II only
II and III only
III and IV only
IV only
Which of the following structures in Bougainvillea are homologous to thorns in Citrus plants?
Axillary buds
Leaves
Stipules
Stems
