EASY
9th CBSE
IMPORTANT
Earn 100

Major inorganic component of bone
(a)Calcium phosphate
(b)Calcium carbonate
(c)Sodium hydroxide
(d)Potassium hydroxide

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Important Questions on Tissues
EASY
9th CBSE
IMPORTANT
The unit of nervous system is

EASY
9th CBSE
IMPORTANT
Cartilage is not found in

EASY
9th CBSE
IMPORTANT
The efferent part of neuron is

EASY
9th CBSE
IMPORTANT
Characteristic features of plant tissues are as below. Which one is correct?
(i) Dead supportive tissues are more abundant.
(ii) There is the differentiation of meristematic and permanent tissue.
(iii) Differentiation of meristematic and permanent tissues is absent.
(iv) Organisation of tissues is complex.

EASY
9th CBSE
IMPORTANT
Meristematic tissues
(i) similar in structure (ii) not similar in structure
(iii) have thin cell wall (iv) thick cell wall

MEDIUM
9th CBSE
IMPORTANT
Parenchyma can be classified as
(i) Thin-walled living cells
(ii) Thick-walled living cells
(iii) Distributed in almost all the parts of the plant body
(iv) Distributed mostly in the aerial parts of the plant body

EASY
9th CBSE
IMPORTANT
Which of the following are parts of the phloem
(i) Sieve tubes (ii) Companion cells (iii) Tracheids (iv) Vessels

EASY
9th CBSE
IMPORTANT
Complex permanent tissues of the plant are made of
(i) More than one type of cells
(ii) Only one type of cells
(iii) Only xylem
(iv) Xylem and Phloem
