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 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.
The type of reproduction that leads to variation in animal and plant populations is
budding
sexual
vegetative
asexual
Correct answer is B
No explanation has been provided for this answer.
A feature associated with the Y-chromosome in humans is
long eyelashes
prominent fingernails
facial hairs
enlarged breast
Correct answer is C
No explanation has been provided for this answer.
An organism that has been extensively used to test the chromosomes theory of heredity is
Drosophila melanogaster
Muscar domestica
Zea mays
Homo sapiens
Correct answer is A
No explanation has been provided for this answer.