2004 - JAMB Biology Past Questions and Answers - page 4

31
The association between termites and the cellulose - digesting protozoans in their guts is an example of
A
saprophytism
B
mutualism
C
parasitism
D
commensalism
correct option: b
Users' Answers & Comments
32
The progressive loss of energy at each level in a food chain leads to
A
an increase in biomas at each successive level
B
a decrease in biomass at each successive level
C
an increase in the number of organism at each successive level
D
an increase in the total number of organisms at each successive level
correct option: b
Users' Answers & Comments
33
One of the adaptation of reptile to water loss is the presences of
A
keratinous scale
B
claws on limbs
C
long tails
D
long sticky tongues
correct option: a
Users' Answers & Comments
34
A state in Nigeria that is most susceptible to desert encroachment is
A
Kwara
B
Taraba
C
Kaduna
D
Katsina
correct option: d
Users' Answers & Comments
35
The scarcity of food causes a sudden decrease in population size by
A
decreasing the reproductive rate
B
bringing about immigration
C
raising the mortalility rate
D
minimizing the rate of competition
correct option: c
Users' Answers & Comments
36
The soil type that will be most difficult to plough in a wet season is one that is
A
loamy
B
clayey
C
sandy
D
silty
correct option: b
Users' Answers & Comments
37
A farm practice that result in the loss of soil fertility is
A
mixed farming
B
bush fallowing
C
shifting cultivation
D
continous cropping
correct option: d
Users' Answers & Comments
38
Paternity dispute can most accurately be resolved through the use of
A
Finger printing
B
blood group typing
C
DNA analysis
D
tongue-rolling
correct option: c
Users' Answers & Comments
39
In a Mendelian cross of red and white varieties of the four O"clock plants, the F1 generation expresses incomplete dominance by having flower which are
A
white
B
red
C
pink
D
multicoloured
correct option: c
Users' Answers & Comments
40
Identical twins inherit their genes from
A
different eggs and sperms
B
the same egg and sperm
C
two eggs and a sperm
D
one egg and two sperms
correct option: b
Users' Answers & Comments
Please share this, thanks: