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.
Which of the following statements about nitrogen is not correct? Nitrogen is needed for
protein synthesis
activating certain enzymes
the synthesis of chlorophyll
healthy vegetative growth of plants
Correct answer is B
No explanation has been provided for this answer.
Which of the following activities constitutes biological control?
A small bony fish transported on the back of a shark
Adding manure to crops in a garden
Tilapia feeding on the larvae and pupae of mosquito
A vulture feeding on the carcass of a goat
Correct answer is C
No explanation has been provided for this answer.
Which of the following groups consists of only micro-nutrients?
Molybdenum, sulphur and copper
Boron, Zinc and Calcium
Manganese, molybdenum and zinc
Magnesium, phosphorus and manganese
Correct answer is C
No explanation has been provided for this answer.
A vaccine is introduced into a person‘s body to
destroy all disease-causing organisms in the body
stimulate the body to produce antibodies
enhance the production of red blood cells
isolate disease-causing pathogens from the blood
Correct answer is B
No explanation has been provided for this answer.
The following observations concerning succession are true except that the
pioneer community has fewer species
middle stages communities are most diverse
max community has the greatest number of species
total biomass of the community increases as succession progresses
Correct answer is C
No explanation has been provided for this answer.