1994 - WAEC Biology Past Questions & Answers - page 2

11
In which of the following is a cellulose cell wall present
A
Amoeba
B
Mammalian white blood corpuscle
C
spirogyra
D
paramecium
CORRECT OPTION: c
12
Which of the following organisms exists as a filament?
A
Euglena
B
Amoeba
C
Volvox
D
paramecium
CORRECT OPTION: e
13
All the following can illustrate the dynamic nature of the ecosystem except
A
nitrogen cycle
B
carbon cycle
C
water cycle
D
nutrient cycle
CORRECT OPTION: e
14
Which of the following measures does not ensure conservation?
A
Establishing forest and game reserves
B
Encouraging people to plant trees
C
Founding societies that promote conservation
D
Enacting conservation laws and bye-laws
CORRECT OPTION: e
15
Which of the following is not required for primary production to occur in plants?
A
Chlorophyl
B
Sugar
C
Water
D
Carbon dioxide
CORRECT OPTION: b
16
Which of the following blood group(s) is/are the universal donor(s)
A
O
B
A
C
B
D
AB
CORRECT OPTION: a
17
The branch of science which deals with resemblances, origin and expression of biological variations is
called
A
embryology
B
ecology
C
entomology
D
genetics
CORRECT OPTION: d
18
Which of the following can cause desert encroachment?
A
Afforestation
B
Irrigation
C
Planting of trees
D
Establishment of game reserve
CORRECT OPTION: e
19
The morphological, physiological and behavioural characteristics which enable an organism to survive in
its environment is called
A
heredity
B
ecology
C
competition
D
adaptation
CORRECT OPTION: d
20
Which of the following performs the same function as the contractile vacuole of a unicellular organism?
A
Kidney
B
Alimentary canal
C
Liver
D
Pancreas
CORRECT OPTION: a
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