Q. No.Colocasia
(1) Has root modified for storage
(2) Has leaf modified for xerophytic adaptation
(3) Has stem modified for storage
(4) All of these
(1) Has root modified for storage
(2) Has leaf modified for xerophytic adaptation
(3) Has stem modified for storage
(4) All of these
Which of the following underground stems does not act as organ of perennation to tide over Conditions unfavorable for growth?
(1) Ginger
(2) Turmeric
(3) Zaminkand
(4) Strawberry
In some plants a slender lateral branch arises from the base of the main axis and growing aerially for sometime, it archs downwards to touch the ground.
Find the odd one with respect to statement.
(1) Mint
(2) Jasmine
(3) Grass
(4) All of these
The stem of Pistia and Eichhornia has
(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
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