1999 - WAEC Biology Past Questions and Answers - page 2
11
Turgor pressure occurs in a cell when the
A
volume of its cell sap increases
B
cell loses water to its environment
C
volume of cell decreases
D
cell is put in an isotonic solution
correct option: c
Users' Answers & Comments12
Which of the following bones is illustrated in the diagram?
A
Tibia
B
Humerus
C
Patella
D
Scapula
correct option: d
Users' Answers & Comments13
The part labelled l in the diagram is for the attachment of
A
ribs
B
biceps
C
shoulder muscles
D
the vertebral column
correct option: c
Users' Answers & Comments14
Which of the following bones forms a joint at the point labelled II in the diagram?
A
Humerus
B
Sternum
C
Radius
D
Femur
correct option: b
Users' Answers & Comments15
Which of the following is correct about the transverse section of a vein, when compared with that of an
artery?
artery?
A
The lumen of a vein is wider than that of an artery
B
The endothelium of the vein is thinner than that of an artery
C
There are more smooth muscles in a vein than in an artery
D
There are valves in veins but not in arteries.
correct option: d
Users' Answers & Comments16
Terrestrial plants exchange gases through the following except
A
chloroplast
B
stomata
C
lenticels
D
root-cells
correct option: a
Users' Answers & Comments17
Glomerular nitrate contains
A
no glucose
B
amino acids
C
no proteins
D
urea
correct option: d
Users' Answers & Comments18
Which of the following is not a function of the liver in mammals?
A
Storage of some vitamins
B
Conversion of glycogen into glucose
C
Deamination of excess nitrogenous substances
D
Filtration of urea from the blood.
correct option: d
Users' Answers & Comments19
Iodine is needed by a patient suffering from a malfunctioning of the
A
salivary gland
B
thyroid gland
C
adrenal gland
D
sebaceous gland
correct option: b
Users' Answers & Comments20
The medulla oblongata controls all the following except
A
heart beat
B
breathing rate
C
blood pressure
D
balance and posture
correct option: d
Users' Answers & Comments