2003 - JAMB Biology Past Questions and Answers - page 5
41
A feature associated with the Y-chromosome in human is
A
long eyelashes
B
prominent fingernails
C
facial hairs
D
enlarged breast
correct option: c
Users' Answers & Comments42
The type of reproduction that leads to variation animal and plant population is
A
budding
B
sexual
C
vegetative
D
asexual
correct option: b
Users' Answers & Comments43
An insect with a mandibulate mouth part will obtain its food by
A
biting and chewing
B
chewing and sucking
C
chewing
D
sucking
correct option: a
Users' Answers & Comments44
An argument against Lamarck's theory of evolution is that
A
disuse of body part cannot weaken the part
B
disused part is dropped off in the offspring
C
acquired traits cannot be passed on to the offspring
D
trait cannot be acquired through constant use of body parts
correct option: c
Users' Answers & Comments45
The presence of sunken stomata and the folding of leaves are adaptations to
A
Prevent entry of pathogens
B
Reduce water loss
C
Remove excess water
D
Prevent guttation
correct option: b
Users' Answers & Comments46
Spines and shells on animals are adaptation for
A
camouglage
B
chemical defence
C
physical defence
D
mimicry
correct option: c
Users' Answers & Comments47
An example of cryptic colouration is the
A
Mottled colours on the moths that rest in lichens
B
bright colour of an insect pollinated flower
C
Green colour of a plant
D
Bright marks on poisonous tropical frog on veriegated leaves
correct option: a
Users' Answers & Comments48
Which of the following requires the use of carbon dating to prove that evolution has occurred?
A
Comparative anatomy
B
Biochemical similarities
C
molecular records
D
Fossil records
correct option: d
Users' Answers & Comments49
the inactive state exhibited by an animal during hot dry seasons is termed
A
Aestivation
B
Dormancy
C
Resting
D
Hibernation
correct option: a
Users' Answers & Comments50
In the egg of a bird, the embryo is located in the
A
Yolk
B
Embryo disc IV
C
Chalaza
D
Albumen
correct option: a
Users' Answers & Comments