2002 - WAEC Biology Past Questions and Answers - page 5
41
Measles in infants can be prevented by
A
sleeping under mosquito nets
B
providing clean water supply
C
taking anti-malaria tablets
D
vaccinating young children
correct option: d
Users' Answers & Comments42
Micro-organisms are important in recycling nutrients because
A
they are capable of multiplying quickly
B
they are eaten by large organisms
C
they break down dead organic materials
D
many of them are parasites
correct option: c
Users' Answers & Comments43
A vegetable farmer will benefit from a cattle rearer if
A
the faecal remains of the cattle are made available to the farmer
B
the farmer makes available fresh green vegetables for consumption by the cattle daily.
C
the farmer provides shelter for the cattle and the cattle rearer
D
the cattle rearer makes available meat to the farmer daily
correct option: a
Users' Answers & Comments44
Wildlife conservation is enhanced by
A
enacting laws to encourage poaching
B
discouraging elimination of endangered species
C
encouraging creation of satellite hunting unit
D
suppressing the activities of wildlife conservation agencies
correct option: b
Users' Answers & Comments45
Which of these statements is true about fingerprint patterns?
A
Consistent for a lifetime
B
May be exactly the same for two individuals
C
Prominent only at puberty
D
Correlate with the individual blood group
correct option: a
Users' Answers & Comments46
Some species of animals and plants are considered as endangered, because
A
they are found in large numbers in most habitats
B
they are harmful to theta natural habitats
C
their populations have become so small that they may soon die out
D
they should be killed or only kept in cages
correct option: c
Users' Answers & Comments47
Which of the following is a continuous variation, in human population?
A
Sex
B
Rh factor
C
Height
D
Down`s syndrome
correct option: c
Users' Answers & Comments48
Which of the following statements about blood groups in human is not correct?
A
Siblings may not belong to the same blood group
B
There are four possible blood groups
C
People with blood group O can receive blood from all other groups
D
People with blood group AB are universal recipients
correct option: c
Users' Answers & Comments49
When Mendel crossed round seeds with wrinkled seeds of Pea Plant, what was the ratio of wrinkled seeds
to round seeds in the F2 plants?
to round seeds in the F2 plants?
A
3 : 1
B
2 : 1
C
1 : 3
D
1 : 2
correct option: c
Users' Answers & Comments50
Which of the following is not a morphological variation in human beings?
A
Size
B
Blood groups
C
Colour
D
Fingerprints.
correct option: b
Users' Answers & Comments