2008 - WAEC Biology Past Questions & Answers - page 3

21
The process by which flowers produce fruit without the process of fertilization is called
A
viviparity
B
parthenocarpy
C
propagation
D
metamorphosis
CORRECT OPTION: b
22
The part Q the young root that (pushes its way through the soil is the
A
root hair
B
tap root
C
root cap
D
lateral root.
CORRECT OPTION: c
23
An example of a dehiscent fruit is
A
crotolaria
B
tomato
C
mango
D
orange
CORRECT OPTION: a
24
Which of the following food substances gives the least amount of calories?
A
Rice
B
Groundnuts
C
cabbage
D
Egg yolk
CORRECT OPTION: c
25
Analysis of the gut content of an animal showed that it contained small pieces of bone, seeds. roughages and insects. The animal is likely to be a/an.
A
carnivore
B
herbivore
C
insectivore
D
omnivore
CORRECT OPTION: d
26
Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because
A
the filaments could not photosynthesize
B
conjugation could not take place
C
the temperature was too high
D
the plant was overflooded
CORRECT OPTION: a
27
The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to
A
carbon dioxide
B
light
C
water
D
oxygen
CORRECT OPTION: b
28
A community is best described as
A
living things in a habitat interacting with the non-living part of the environment
B
the total number of individuals of one species of organisms living in a particular habitat
C
populations of different species living together and interacting with each other in one habitat
D
the individuals of a particular group living together in an area and sharing the same resources
CORRECT OPTION: c
29
Which of the following physical actors is likely to affect the distribution of plants in a pond?
A
light
B
Humid
C
Wind
D
Temperature
CORRECT OPTION: a
30
Which of the following instruments is used to measure wind speed?
A
Thermometer
B
Barometer
C
Hygrometer
D
Anemometer
CORRECT OPTION: d
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