2018 - JAMB Biology Past Questions and Answers - page 4
31
DNA in eukaryotic cells is contained in the
A
central vacuole
B
nucleus
C
lysosome
D
golgi body
32
A man who is heterozygous for the disease haemophilia marries a woman who is double recessive for haemophilia. What percentage of their offspring would have the disease?
A
0%
B
25%
C
50%
D
75%
33
Cytokinesis of mitosis is a process that ensures that
A
each daughter cell gets the necessary organelles
B
there is distribution of a complete set of genes into each daughter cell
C
daughter cell inherit new genetic combinations
D
worn out organelles are excluded from daughter cells
34
An animal which is active during the day is known as a
A
nocturnal animal
B
diurnal animal
C
terrestrial animal
D
homortacmic animal
35
Evidence of evolution include the following except
A
fossil records
B
comparative anatomy
C
mutation of genes
D
geographical distribution of organisms
36
Use the diagram to answer the question. The diagram shows that the organisms are
A
hermaphrodite
B
viviparous
C
oviparous
D
ovoviparous
37
Use the diagram to answer the question. The breeding posture illustrated in the diagram is knows as
A
mating
B
amplexus
C
courtship display
D
reproductive swimming
38
An accurate identification of a rapist can be carried out by conducting
A
RNA analysis
B
DNA analysis
C
blood group test
D
behavioural tests
39
A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is like to have contracted?
A
schistosomiasis
B
onchocerciasis
C
poliomyelitis
D
salmonellosis
40
The flippers of a whale and the fins of a fish are examples of
A
divergent evolution
B
co-evolution
C
continuous variation
D
convergent evolution
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