How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
An example of cryptic colouration is the
Mottled colours on the moths that rest in lichens
bright colour of an insect pollinated flower
Green colour of a plant
Bright marks on poisonous tropical frog on variegated leaves
Correct answer is A
No explanation has been provided for this answer.
Spines and shells on animals are adaptations for
camouflage
chemical defence
physical defence
mimicry
Correct answer is C
No explanation has been provided for this answer.
The presence of sunken stomata and the folding of leaves are adaptations to
Prevent entry of pathogens
Reduce water loss
Remove excess water
Prevent guttation
Correct answer is B
No explanation has been provided for this answer.
An argument against Lamarck's theory of evolution is that
disuse of body part cannot weaken the part
disused part is dropped off in the offspring
acquired traits cannot be passed unto the offspring
trait cannot be acquired through constant use of body parts
Correct answer is C
No explanation has been provided for this answer.
An insect with a mandibulate mouth part will obtain its food by
biting and chewing
chewing and sucking
chewing
sucking
Correct answer is A
No explanation has been provided for this answer.