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.
Study the diagram of a food chain shown and use; it to answer the question.
P ---> Q ---> R ---> S ---> T
The organism designated P in the food chain above is normally sustained by energy from
sunlight
carbohydrates
green plants
mineral salts
Correct answer is A
No explanation has been provided for this answer.
Which of the following organisms is a primary consumer?
dog
sheep
grass
fungus
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements is true about sandy soil?
has limited air space
is light and easy to dig
drains slowly
is heavy and poorly aerated
Correct answer is B
No explanation has been provided for this answer.
Which of the following instruments is used to estimate the number of plants in a habitat?
pooter
pitfall trap
quadrant
sweep net
Correct answer is C
No explanation has been provided for this answer.
What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem?
availability of nutrients
availability of water
intensity of light
carbon dioxide concentration
Correct answer is C
No explanation has been provided for this answer.