1992 - WAEC Biology Past Questions and Answers - page 5
41
Which of the following is a function of the chromosome?
A
Transmission of hereditary traits
B
Protein synthesis
C
Excretion
D
Energy production
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42
Which of the following does not illustrate adaptation to the environment ?
A
Colour chanages by chameleon
B
Streamline shape of fishes
C
Light bones in birds
D
Development of big muscies by a weight lifter
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43
The changing of colour by a chameleon to that of the environment is an example of
A
adaptive radiation
B
protective coloration
C
courtship display
D
display of body colour
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44
The division of labour in social insects is an example of
A
structural adaptation
B
physiological adaptation
C
commensalism
D
behavioural adaptation
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45
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by
A
migratory birds
B
pigeons
C
crickets
D
winged termites
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46
Lamarck's evolution theory could be summarised by the statement that
A
only the fittest can survive in a challenging environment
B
species that are unable to adapt become extinct
C
new characteristics do not arise in organisms in time of need
D
the changing environment imposes structural physiological and behavioural changes in organisms
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47
The property of clay soil that prevents it from supporting thick vegetation is its
A
possession of chemically weathered granite rocks
B
inability to retain much water
C
tendency of becoming waterlogged
D
porosity and low water retention ability
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