2010 - WAEC Biology Past Questions and Answers - page 5
41
In a population, food shortage may lead to
A
an increased survival rate
B
high reproduction rate
C
intra-specific competition
D
low rate of migration
correct option: c
Users' Answers & Comments42
The following effects are associated with deforestation except
A
gully erosion
B
extinction of plant species
C
migration of wildlife
D
increase in rainfall
correct option: d
Users' Answers & Comments43
The main reason for the conservation of wildlife is to
A
create national parks for recreation
B
maintain ecological balance in communities
C
prevent hunters from being 'cruel to animals
D
save some species from extinction.
correct option: d
Users' Answers & Comments44
Which of the following is an example of variation?
A
Blood
B
Tongue rolling
C
Reproduction
D
Growth
correct option: b
Users' Answers & Comments45
The parameters of size, height, weight and colour in a population of living things are examples of
A
environmental variation
B
non-heritable variations
C
continuous variations
D
discontinuous variations
correct option: c
Users' Answers & Comments46
Fingerprints are useful in crime detection because
A
the police have sophisticated fingerprint machines
B
thieves may leave their prints at the scene of a crime
C
no two people have the same fingerprint
D
fingerprints are easy to make
correct option: c
Users' Answers & Comments47
A person with blood group, O can be given blood from persons who have blood belonging to
A
group O only
B
group A only
C
groups A and O
D
groups A, B and O
correct option: a
Users' Answers & Comments48
A man heterozygous for albino gene marries a woman who is also heterozygous for the gene. Both have normal skin colour. The probability that they will have an albino child is
A
1/3
B
1/4
C
4/4
D
2/4
correct option: b
Users' Answers & Comments49
Which of the following statements about heredity is not true? In heredity the traits are
A
carried by genes
B
contained in the ovum and sperm
C
always transmitted by one parent
D
transmitted from parents to offspring
correct option: c
Users' Answers & Comments50
An example of a saprophytic relationship is a / an
A
vulture feeding on decaying meat
B
mushroom growing on decaying vegetation
C
boy eating stale bread
D
earthworm feeding on decaying vegetation.
correct option: b
Users' Answers & Comments