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.
The most recently evolved structure in animals is the
hair
cilium
scale
feather
Correct answer is A
No explanation has been provided for this answer.
The set of fins that control steering, balancing and change of direction and pitch in fish is
dorsal and anal
pectoral and pelvic
caudal and dorsal
anal and pelvic
Correct answer is B
No explanation has been provided for this answer.
The most important environment factor which epiphytes in the rain forest compete for is
water
nutrients
light
cabinet minister
space
Correct answer is C
No explanation has been provided for this answer.
The loud cry made by a brooding hen when a predator is around is meant to
alert the poultry attendants
attract cocks to come and fight the predator
advertise the boundaries of its territory to intruders
warn its chicks and other chickens of impending danger
Correct answer is D
No explanation has been provided for this answer.
Which of the following is one of Lamarck's theories?
Some variations are more favourable to existence in a given environment than others
All living organisms are constantly involved in a struggle to existence
The size of a given population remains fairly constant
New species originates through the inheritance of acquired traits
Correct answer is D
No explanation has been provided for this answer.