2010 - WAEC Biology Past Questions and Answers - page 2
11
The axial skeleton is composed of the
A
skull and vertebral column
B
limbs and girdles
C
atlas and axis.
D
radius and ulna
correct option: a
Users' Answers & Comments12
The inorganic components of bone consist of
A
magnesium, sodium and calcium
B
magnesium, phosphorus and calcium
C
sodium, phosphorus and calcium,
D
potassium, magnesium and calcium
correct option: b
Users' Answers & Comments13
A pulse is best described as
A
contraction of arteries to let out blood.
B
contraction of veins to allow blood into them
C
dilation of arteries to accommodate blood rushing through.
D
pumping action of the heart to move blood round the body.
correct option: d
Users' Answers & Comments14
The following characteristics are associated with the mammalian lungs except
A
large surface area
B
expandable lungs
C
moist surface
D
highly vascularized
correct option: b
Users' Answers & Comments15
The excretory system in mammals consists of the following parts except
A
two kidneys
B
two ureters
C
two bladders
D
one urethra
correct option: c
Users' Answers & Comments16
The organ that receives reduced flow of blood during vigorous exercise is the
A
brain
B
heart
C
lung
D
limb
correct option: a
Users' Answers & Comments17
The ear pinna is strengthened by
A
blood pressure.
B
cartilage
C
bone
D
turgor pressure
correct option: b
Users' Answers & Comments18
The relationship between the retina and the brain is similar to that between the
A
cochlea and the auditory nerve
B
cochlea and the brain.
C
cochlea and the semi-circular canals
D
eardrum and the brain
correct option: b
Users' Answers & Comments19
Which of the following statements about the development of the foetus is not correct?
A
The circulatory system of the foetus is directly connected to the maternal blood vessels
B
The foetus depends on the mothers blood for its food and oxygen
C
The foetus is surrounded by a water sac
D
Food and oxygen are carried across the placenta to the embryo’s blood
correct option: a
Users' Answers & Comments20
The parts that supply food and water to the developing embryo are labelled
A
I and II
B
III and V.
C
V and VI
D
I and III
correct option: c
Users' Answers & Comments