Which of the following is NOT a function of lenticels?
Gaseous exchange
Transport of water and minerals
Transpiration
Removal of excess water in some plants
Related Questions
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 is NOT a function of the stem?
Absorption of water and minerals
Support for leaves and flowers
Transport of water and nutrients
Storage of food
A potato tuber consists of 15 eyes, then the number of nodes and internodes respectively are
14,15
15,16
15,14
14,16
Which of the following statements is incorrect regarding the properties of a parallelogram?
Opposite sides are equal and parallel.
Opposite angles are equal.
Adjacent angles are supplementary.
The diagonals are equal in length.
The 'open' vascular bundles found in dicot stems are characterized by:
Scattered arrangement of xylem and phloem with no cambium.
The presence of cambium between xylem and phloem, allowing for secondary growth.
Joint, collateral arrangement of xylem and phloem with no cambium.
Concentric arrangement of xylem and phloem.
Sub-aerial stem modification with long internode is
Tuber
Phyllode
Phylloclade
Runner
Lenticels are found on the stem and perform which function?
Photosynthesis
Transpiration
Gaseous exchange
Water absorption
Which of the following is an INCORRECT pairing of plant modification and its example?
Leaflet thorns - Citrus
Tendrils - Cucumber
Phylloclade - Opuntia
Pneumatophores - Rhizophora
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
Sucker
Stolon
Offset
Scramblers
