2005 - JAMB Biology Past Questions and Answers - page 4
31
Which of the following is a homostatic response in humans?
A
Withdrawing the hand from a hot object
B
The mouth getting watery when food is sighted
C
yawning owing to tiredness
D
shivering in a cold environment
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32
A
15oC
B
19oC
C
24oC
D
33oC
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33
A
15oC
B
19oC
C
24oC
D
33oC
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34
A
I and II
B
II and III
C
III and IV
D
IV and I
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35
A
cloud
B
ground water
C
plant
D
ocean
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36
The Mambila plateau is a unique Nigerian biome located in
A
Plateau state
B
Borno state
C
Taraba state
D
Benue state
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37
In Nigeria, the guinea savanna belt borders the
A
mangrove swamps and the sahel savanna
B
rainforests and the sudan savanna
C
desert and the sudan savanna
D
rainforests and the deserts
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38
The population density of Tridex in an abandoned square farm land of side 200 m was found to be 5 plants per m2. The population size of the plant on the farm is
A
40
B
1000
C
40000
D
200000
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39
Secondary succession is much faster than primary succession because
A
pioneer colonizers are more in number
B
soil is already present
C
secondary seres require less nutrients
D
species competition is increased
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40
which of the following is used to test for the presence of lime in a soil sample?
A
H2SO4(aq)
B
NaOH(aq)
C
HCl(aq)
D
HNO3(aq)
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