1997 - WAEC Biology Past Questions and Answers - page 3
21
The diagram above represents a
A
germinating seed
B
radicle
C
shoot showing negative phototropism
D
zygote
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22
The part labelled I in the diagram is the
A
cytoplasm
B
pollen nucleus
C
pollen tube
D
endosperm
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23
Which of the following fruits is a schizocarp?
A
Groundnut
B
Desmodium
C
crotalaria
D
Cashew
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24
Which of the following is not a characteristic of wind dispersed fruits and seeds?
A
Light weight
B
Wing
C
Floss
D
Stickyjuice
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25
Which of the following structures transports water from the roots to the leaves?
A
Phloem
B
Cambium
C
Pericycle
D
Xylem
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26
The eye defect represented in the diagram is
A
myopia
B
hypermetropia
C
presbyopia
D
astigmatism
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27
The above defect is corrected by using a
A
concave lens
B
converging lens
C
cylindrical lens
D
bi-focal lens
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28
Which of the following organisms is viviparous?
A
Tapeworm
B
Snail
C
Sheep
D
Grasshopper
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29
The reduction of nitrates to gaseous nitrogen is
A
nitrogen fixing
B
nitrogen cycle
C
ammonification
D
putrefaction
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30
The association between protozoa and termites is an example of
A
symbiosis
B
parasitism
C
predation
D
saprophytism
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