1997 - WAEC Biology Past Questions and Answers - page 4
31
Flatworms are classified as
A
Platyhelminthes
B
coelenlerata
C
annelida
D
nematoda
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32
The essential parts of a flower are
A
petals and sepals
B
anther and filament
C
stigma and style
D
androecium and gynoecium
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33
Which of the following parts of the tooth is first damaged during dental decay?
A
Cement
B
Enamel
C
Dentine
D
Root
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34
The set- up above is used to demonstrate
A
plasmolysis
B
osmosis
C
suction pressure
D
fermentation
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35
What will be the colour of the solution in the test tube labelled II at
the end of the experiment?
the end of the experiment?
A
Pink
B
Yellow
C
Milky
D
Reddish white
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36
Which gas will pass into the test tube labelled II from I?
A
Carbon monoxide
B
Carbon dioxide
C
Oxygen
D
Ammonia
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37
In which of these forms is carbohydrate stored in yam?
A
Glucose
B
Maltose
C
Starch
D
Glycogen
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38
Northern Guinea savanna is associated with
A
abundant rainfall
B
abundant trees and shrubs
C
soil with very little plant cover
D
abundant grasses
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39
Which of the following activities is not necessary in population sampling?
A
Selecting the habitat
B
Dividing the selected habitat into portions
C
Throwing the quadrat randomly
D
Counting the number of organisms
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40
Which of the following is an abiotic factor?
A
Predation
B
Rainfall
C
Cropping
D
Grazing
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