Q. No.The stem of Pistia and Eichhornia has
(1) Short internode
(2) Rosette of leaves
(3) Tuft of Roots
(4) All of these
(1) Short internode
(2) Rosette of leaves
(3) Tuft of Roots
(4) All of these
Aquatic plants with a lateral branch having short internodes, rosette of leaves and tuft of roots are
(1) Pistia,Hydrilla
(2) Eichhornia,Hydrilla
(3) Pistia and Eichhornia
(4) Hydrilla and Valisnaria
Generally leaf is not
(1) Lateral
(2) Swollen
(3) Developing on node
(4) Bearing bud in its axil
Leaves
(1) Arranged in acropetal manner
(2) Most important reproductive organ in plants
(3) Important for photosynthesis
(4) A typical leaf has three main parts- leaf base, Petiole and lamina
Find the incorrect statement.
Which of the following parts of leaf has major role to hold the blade to light?
(1) Lamina
(2) Petiole
(3) Sheath
(4) Stipule
The fluttering of the leaf blade is facilitated by
(1) Swollen pulvinus
(2) Membranous sheath
(3) Long and thin Petiole
(4) Broad lamina
Veins and veinlets are not present in
(1) Lamina
(2) Leaf blade
(3) Leaf broader surface
(4) Leaf base
Midrib is usually not used in
(1) Middle
(2) Prominent vein
(3) A mean to provide rigidity
(4) transport only water, minerals, gases like carbon dioxide and food materials
Which of the following is relatively constant in all dicot leaves?
(1) Shape
(2) Margin, apex and surface
(3) Extent of incision
(4) Venation
The arrangement of veins and the veinlets in the lamina of leaf is termed as
(1) Venation
(2) Vernation
(3) Vernalization
(4) Phyllotaxy
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