1995 - JAMB Biology Past Questions and Answers - page 2
11
A
I
B
II
C
IV
D
V
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12
Which of the following is transmitted through mosquito bite?
A
Filariasis
B
Typhus
C
Plague
D
Schistosomiasis
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13
Which of the following insects lays its eggs in horny, purse-like cases?
A
Mosquito
B
Butterfly
C
Termite
D
Cockroach
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14
Which of the following vertebrates does the skin function as a respiratory surface?
A
Rat
B
Lizard
C
Fish
D
Frog
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15
Birds maintain their body temperature with the help of their
A
blood which maintains constant temperature
B
feathers which cover the body
C
skin which conserves moisture
D
veins which transport fluid of constant temperature to all body tissues
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16
Secondary thickening in dicotyledonous stem is controlled by the
A
xylem
B
phloem
C
cambium
D
pericycle
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17
2H2 → 2H2 + O2(g). The equation above represents a part of the light stage of photosynthesis. Which of the following must be presents for this reaction to occur?
A
Enzyme and light energy
B
Carbondioxide and light energy
C
Light energy and cholorphyll
D
Chlorophyll and enzyme
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18
In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of
A
washed sand
B
saw dust
C
cow dung
D
clay soil
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19
Which vitamin plays an important role in blood clotting?
A
vitamin A
B
Vitamin K
C
Vitamin B12
D
Vitamin C
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20
The mammalian organ which acts both as a digestive and as an endocrine organ is the
A
oesophagus
B
liver
C
pancreas
D
spleen
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