2010 - WAEC Biology Past Questions and Answers - page 4
31
An herbivore cannot feed on a piece of meat because it has no
A
incisors to out the meat
B
canines to tear up the meat
C
premolars to grind the meat
D
molars to mash the meat
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32
In a particular habitat the role of an organism is referred to as its
A
level
B
biomass
C
niche
D
space
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33
The distribution of organisms in a fresh water habitat like a stream or pond is determined by the following
factors except
factors except
A
light penetration
B
pH of the soil
C
rainfall
D
temperature
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34
The speed of wind is measured using the
A
wind vane
B
anemometer
C
photometer
D
barometer
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35
Which of the following is a biotic component of an ecosystem?
A
Soil
B
Rainfall
C
Light
D
Fungi
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36
A moss plant can withstand drought by means of its
A
spores
B
rhizoids
C
antheridia
D
achegonia
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37
Which of the following factors is the main problem facing xerophytic plants?
A
Competition for sunlight
B
Conservation of excess water
C
inadequate roots for water absorption
D
Lack of adequate water
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38
The following are greenhouse gases except
A
carbon dioxide
B
chlorofluorocarbon
C
methane
D
oxygen
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39
Rural-urban migration in developing countries can be prevented by
A
increasing the number of years in school
B
putting up more factories in urban areas
C
having boarding schools in rural areas
D
even distribution of facilities in both regions
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40
Muscles are attached to bones by means of
A
tendons
B
ligaments
C
cartilage
D
nerves
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