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
correct option: b
Users' Answers & Comments
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%
correct option: c
Users' Answers & Comments
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
correct option: b
Users' Answers & Comments
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
correct option: b
Users' Answers & Comments
35

Evidence of evolution include the following except

A
fossil records
B
comparative anatomy
C
mutation of genes
D
geographical distribution of organisms
correct option: c
Users' Answers & Comments
36

Use the diagram to answer the question. The diagram shows that the organisms are

A
hermaphrodite
B
viviparous
C
oviparous
D
ovoviparous
correct option: c
oviparous: an animal producing young by means of eggs which are hatched after they have been laid by the parent, as in birds.
Users' Answers & Comments
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
correct option: a
Users' Answers & Comments
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
correct option: b
Users' Answers & Comments
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
correct option: a
Schistosomiasis is a disease caused by parasitic flatworms called schistosomes. The urinary tract or the intestines may be infected. Symptoms include bloody stool, or blood in the urine.
Users' Answers & Comments
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
correct option: d
Users' Answers & Comments
Please share this, thanks: