1989 - WAEC Biology Past Questions and Answers - page 3
21
The piece of bone represented in the diagram is found in the
A
pelvic region
B
pectoral girdle
C
vertebral column
D
skull
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22
The part labelled I is the
A
lumbar
B
sacrum
C
ilium
D
pubis
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23
The bone that articulates with the part labelled III is the
A
humerus
B
femur
C
tibia
D
sacrum
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24
Which of the following organisms is at the tissue level of organization?
A
Euglena
B
Paramecium
C
Volvox
D
Hydra
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25
The light - sensitive layer is labelled
A
I
B
III
C
IV
D
VI
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26
The greatest concentration of light receptors is found in the part labelled
A
VI
B
V
C
IV
D
III
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27
The aqueous humour is represented by the part labelled
A
I
B
II
C
III
D
VI
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28
Autotrophs are also described as
A
consumers
B
decomposers
C
carnivores
D
producers
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29
In photosynthesis, the following processes are part of the light reaction
except
A
transfer of radiant energy which reduces a co-factor
B
absorption of radiant energy by chlorophyll
C
utilization of the energy in the electron transfer chain to form ATP
D
formation of glucose using energy from NADPH
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30
Which of the following is not an adaptation of the small intestine for absorption of digested food? The
A
villi are well supplied with blood and lymph vessels
B
villi are numerous and thin-walled
C
small intestine has large surface area
D
small intestine is long and coiled
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