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Biology
JAMB 1986
Biology 1986 JAMB Past Questions
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Question Type:
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Science of Living Things
Classification or Organisation of Life
Cell 1 : Living Unit - Structure
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36
Which of the following is an example of discontinuous variation?
A.
skin colouration
B.
left handedness
C.
body weight
D.
Height
View Answer & Discuss (5)
JAMB 1986
37
The hormones which regulates the amount of glucose in the blood is called
A.
adrenalin
B.
auxin
C.
insulin
D.
thyroxine
View Answer & Discuss
JAMB 1986
38
An instrument that can be used to demonstrate phototropism and geotropism in plants is the
A.
auxanometer
B.
potometer
C.
klinostat
D.
photometer
View Answer & Discuss (5)
JAMB 1986
39
In an ecosystem, animals which feed directly on plants are called
A.
secondary consumers
B.
primary consumers
C.
producers
D.
predators
View Answer & Discuss
JAMB 1986
40
In an agricultural ecosystem, the biotic component consists of
A.
crop, pest and beneficial insects
B.
crops, temperature and humidity
C.
pests, beneficial insects and water
D.
crops, water and soil
View Answer & Discuss (5)
JAMB 1986
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