2016 - WAEC Biology Past Questions and Answers - page 4

31
A blend of inherited and acquired characteristics shows
A
variation
B
inheritance
C
evolution
D
heredity
correct option: a
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32
A sick baby was successfully transfused with blood from the father who has blood group AB.

What is the group of the the sick baby?
A
A
B
B
C
AB
D
O
correct option: c
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33
A cross between two parents produced four offspring's with blood groups AB, BB, BO and AO. what is the blood group of their parents?
A
AA and BO
B
BB and AO
C
AB and BO
D
AB and AO
correct option: c
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34
Scientists who study genetics are known as
A
genealogist
B
geneticist
C
mendalists
D
genescientists
correct option: b
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35

Which of the following scientists did not contribute to the development of genetics?

A
Wilhem Johannsen
B
Felix Durjadin
C
Thomas Morgan
D
Gregor Mendel
correct option: b
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36
Which of the following terms is associated with natural selections?
A
adaptive radiation
B
Differential reproduction
C
Population variability
D
Survival of the fiffest
correct option: d
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37
In which of the following insects is group instinct not displayed?
A
Solder ants
B
Cockroaches
C
Honey bees
D
Termites
correct option: b
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38
The inability of an organism to adapt to its habitat can lead to
A
dormancy
B
adaptation
C
extinction
D
survival
correct option: c
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39
Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.

The source of the nitrates in the diagram is termed
A
root nodules of legumes
B
cloud
C
fertilizers
D
organic matter
correct option: c
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40
Use the diagram above that shows the effect of nitrates on water bodies Study it carefully and answer questions.

The phenomenon in the diagram is termed
A
denitrification
B
conservation
C
eutrophication
D
global warming
correct option: a
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