2006 - JAMB Biology Past Questions & Answers - page 1

1
Night-blindness result from a deficiency of
A
vitamin E
B
Vitamin A
C
Vitamin K
D
Vitamin C
CORRECT OPTION: b
2
The product of excretion common to the mammalian kidney, lung and skin is
A
mineral salt
B
carbon (IV) oxide
C
water
D
urea
CORRECT OPTION: c
3
An increase in air pressure in the lungs is due to the
A
increase in the volume of the thoracic cavity
B
upward movement of he ribs
C
relaxation of the diaphragm
D
contraction of the intercostal musles
CORRECT OPTION: c
4
One basic similarity between nervous and endocrine system is that they both
A
produce widespread effects
B
transmit very fast impulses
C
involve the use of chemical substances
D
produce precise and short-lived effect
CORRECT OPTION: c
5
The organ situated in the pericardia cavity of a mammal is the
A
heart
B
liver
C
stomach
D
spleen
CORRECT OPTION: a
6
A unique characteristics of the cervical vertebrate is the presence of
A
large centrum
B
long transverse processes
C
zgapophysis
D
vertebrartarial canal
CORRECT OPTION: d
7
In rabbit the chamber of the heart that receives oxygenated blood from the lungs is the
A
left ventrictle
B
left auricle
C
right ventricle
D
right auricle
CORRECT OPTION: b
8
The formation of water in the tissue respiration results from the
A
breakdown of water molecules
B
reduction of oxygen by hydrogen
C
reduction of carbon(IV) oxide
D
combination of water molecules
CORRECT OPTION: b
9
Water is necessary for a germinating seed because it
A
promotes aerobic respiration
B
activate the enzymes
C
wets the soil for proper germination
D
protects the seed from disiccation
CORRECT OPTION: b
10
Which of the following produces both hormones and enzymes
A
lleum
B
pancreas
C
gall bladder
D
kidney
CORRECT OPTION: b
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