CBSE
Most of the economically important fibre yielding plants belong to family
Malvaceae
Solanaceae
Cruciferae
Paceae
Commercial cork is obtained from
Flax
Juglans regia
Hevea brassiliansis
Quercus suber
In turnip, 2/3 part of swollen area is derived from
hypophysis
hypocotyl
epicotyl
radicle
Expanded green stem of Opuntia is called
phylloclade
tendril
bulb
cladode
The given formula belong to
Solanaceae
Malvaceae
Graminae
Compositae
Floral formula of k5 C5 A5+5 G1 is characteristic of the family
Papilionaceae
Caesalpinoideae
Cruciferae
Mimosoideae
Biologically most resistant plant material is
sporopollenin
cutin
lignin
suberin
The number of female flowers found in a cyanthium is
one
three
two
many
Ginger is an underground stem. It is distinguished from root because
it lacks chlorophyll
it stores food
it has nodes and internodes
it has xylem and vessels
Which of the following represents the edible part of the fruit of litchi?
Pericarp
Mesocarp
Juicy aril
Endocarp