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20 questions
Which of the following tissues has dead cells?
Parenchyma
Sclerenchyma
collenchyma
epithelial tissue
Find out incorrect sentence.
Parenchymatous tissues have intercellular spaces
Collenchymatous tissues are irregularly thickened at corners
Apical and intercalary meristems are permanent tissues
Meristematic tissues, in its early stage, lack vacuoles
Girth of stem increases due to
apical meristem
lateral meristem
intercalary meristem
vertical meristem
Which cell does not have perforated cell wall?
Tracheids
Companion cells
Sieve tubes
Vessels
The dead element present in the phloem is
companion cells
phloem fibres
phloem parenchyma
sieve tubes
In desert plants, rate of water loss gets reduced due to the presence of
cuticle
stomata
lignin
suberin
A long tree has several branches. The tissue that helps in the side ways conduction of water in the branches is
collenchyma
xylem parenchyma
parenchyma
xylem vessels
If the tip of sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of
cambium
apical meristem
lateral meristem
intercalary meristem
Parenchyma cells are
relatively unspecified and thin-walled
thick walled and specialised
lignified
none of these
Flexibility in plants is due to
collenchyma
sclerenchyma
parenchyma
chlorenchyma
Cork cells are made impervious to water and gases by the presence of
cellulose
lipids
suberin
lignin
Survival of plants in terrestrial environment has been made possible by the presence of
intercalary meristem
conducting tissue
apical meristem
parenchymatous tissue
The water conducting tissue generally present in gymnosperm is
vessels
sieve tube
tracheids
xylem fibres
Apical meristem is present at the growing tips of stems and roots and increases the ……………. of the stem and the root.
The process by which cells take up a permanent shape, size, and a function is called ……………..
Large air cavities present in parenchyma of aquatic plants give ……………. to the plants to help them float.
Collenchyma is a …………… tissue present in plants which provides flexibility in plants.
The husk of a coconut is composed of …………… tissue.
Two kidney-shaped cells called ……………… cells enclose the stomata
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will
move downwards
move upwards
remain at the same position
move sideways
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