2002 - WAEC Biology Past Questions and Answers - page 3
21
If the cerebellum of a person is slightly damaged, which of the following will be impaired?
A
vision
B
Walking
C
Breathing
D
Digestion
22
The structure of the ear that is responsible for balancing is the
A
semi-circular carnals
B
pinna
C
auditory nerve
D
fenestra ovalis
23
When a person moves from a darkroom into bright light, the pupil becomes
A
red
B
larger
C
white
D
smaller
24
Which of the following is not an example of entomophilous flower?
A
Hibiscus
B
Flamboyant
C
Guinea grass
D
AlIamanda
25
In flowering plants, fertilization would occur when
A
the pollen grows downwards penetrating the style
B
a pollen grain is transferred to the stigma
C
one of the nuclei inside the pollen tube fuses with the ovum
D
the nucleus of the pollen tube divides
26
After fertilization in the flowering plants, the zygote develops into the
A
plumule
B
radicle
C
cotyledon
D
embryo
27
Which of the following substances is contained in chloroplasts?
A
Starch
B
Sugar
C
Glycogen
D
Dextrin
28
The structures labelled II are
A
groundnut seeds
B
underground root nuts
C
root Tubers
D
root nodules
29
The structures labelled II are associated with
A
storage of plant nutrients
B
organic acids
C
nitrogen-fixing bacteria
D
putrefying microbes
30
Using iodine solution, Biuret test, Benedict reagents and ethanol, respectively in testing for reducing
sugars, which of the following trends of colour changes would be observed?
sugars, which of the following trends of colour changes would be observed?
A
Blue → black → blue → brown → clear
B
Brown → blue → brick red → clear
C
Brown → violet → blue → clear
D
Brown → blue → violet → milky
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