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Problem Solving Assessment(PSA)

Question-1 ______________ meristem occurs at the tips of shoots.

(A) Intercalary meristem	(B)Apical meristem
(C)Lateral meristem	(D)None of these

Question-2
____________ help in transpiration.

(A) Stomata	(B) Epidermis
(C) Guard cells	(D) None of these

Question-3
____________ help in providing buoyancy to the aquatic plants.

(A) Chlorenchyma	(B) Aerenchyma
(C) Sclerenchyma	(D) None of these

Question-4
_________ stores fat.

(A) Areolar connective tissue	(B) Tendons
(C) Adipose connective tissue	(D) None of these

Question-5
The entire surface of plants has an outer covering called

(A) Epidermis	(B) Dermis
(C) Protective	(D) Vascular

Question-6
Parenchyma cells which contain chloroplasts are called __________.

(A) Aerenchyma	(B) Collenchyma
(C) Chlorenchyma	(D) None of these

Question-7
The walls of Sclerenchyma cells are thick due to the presence of ___________________.

(A) Fibres	(B) Stone cells
(C) Lignin	(D) none of these

Question-8
_________ helps in the exchange of gases.

(A) Stomata	(B)Epidermis
(C)Cork	(D)None of these

Question-9
In small herbaceous plants, ____________ makes up the bulk of the plant body.

(A) Parenchyma	(B) Chlorenchyma
(C) Xylem	(D) Collenchyma

Question-10
The body of an adult human being contains about ____________________ litres of blood.

(A) 5 litres	(B) 7 litres
(C) 6 litres	(D) None of these

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Std 9

CBSE

Practice in Related Chapters
Tissues
The Fundamental Unit Of Life
Diversity In Living Organisms
Why Do We Fall Ill
Natural Resources