1991 - JAMB Biology Past Questions and Answers - page 2
11
The function of maxillipeds in crayfish is to aid
A
walking
B
swimming
C
feeding
D
respiration
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12
The respiratory organ in the land snail is the
A
radula
B
mantle
C
tentacle
D
foot
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13
The gill rakers of fishes take part in
A
feeding
B
respiration
C
swimming
D
diffusion
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14
A wide pith with a ring of conducting tissue is characteristic of the root of
A
sunflower
B
maize
C
bean
D
okra
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15
Which of the following is formed immediately after the first product of photosynthesis?
A
Lipid
B
Starch
C
Oxygen
D
Sugar
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16
One of the accessory organs of the digestive system is the
A
Kidney
B
Spleen
C
liver
D
lung
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17
The element common to protein carbohydrate and lipid is
A
hydrogen
B
sulphur
C
nitrogen
D
phosphorus
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18
The crown of the mammalian tooth is covered with
A
cement
B
dentine
C
caries
D
enamel
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19
In the living cells, insufficient oxygen may cause a breakdown of glucose into
A
fatty acids
B
lactic acids
C
glycogen
D
carbon dioxide
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20
A
Increased humidity
B
Reduced temperature
C
Reduced wind speed
D
Reduced humidity
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