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.
Endangered species are organisms that ought to be
hunted
killed
poached
protected
Correct answer is D
No explanation has been provided for this answer.
Which of the following bacteria lives in the root nodules of leguminous plants?
Azotobacter
Nitrobacter
Rhizobium
Nitrosomonas
Correct answer is C
No explanation has been provided for this answer.
The vector of the sleeping sickness disease parasite is the
cockroach
mosquito
black fly
tse-tse fly
Correct answer is D
No explanation has been provided for this answer.
Which of the following infections would not respond to antibiotic treatment?
Gonorrhoea
Measles
Diarrhoea
Tuberculosis
Correct answer is B
Measles is an infectious illness caused by the rubeola virus. It spreads either through direct contact with a person who has the virus or through droplets in the air. Measles is a highly contagious disease that can lead to life-threatening complications.
The others are caused by Bacteria which can be treated with antibiotics.
A population which exceeds its carrying capacity and then collapses is represented graphically as a?
bell shaped curve
skewed curve
s-shaped curve
linear curve
Correct answer is C
S-shaped growth curve(sigmoid growth curve): A pattern of growth in which, in a new environment, the population density of an organism increases slowly initially, in a positive acceleration phase, then increases rapidly, approaching an exponential growth rate but then declines in a negative acceleration phase until at zero growth rate the population stabilizes.