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.
A pyramid of numbers is constructed by
comparing living and non-living things
measuring productivity
conducting census
labelling the living organisms
Correct answer is C
No explanation has been provided for this answer.
The bacteria that reduce nitrates in the soil into gaseous nitrogen are referred to as
nitrifying bacteria
denitrifying bacteria
putrefying bacteria
saprophytic bacteria
Correct answer is B
No explanation has been provided for this answer.
Which of the following represents the correct sequence, from the most complex of organisations?
Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
Alimentary canal, Neurone, Muscle, Heart, Rabbit. Mitochondrion
Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle
Correct answer is B
No explanation has been provided for this answer.
Which of the following depicts the external features of a rat as mammal?
Long intestine and tail
Diaphragm and lungs
Milk and sweat production
Fur and whisker
Correct answer is D
No explanation has been provided for this answer.
Animal cells are different from plant cells because animal cells have
definite cell wall
large vacuole
centrioles
Chloroplast
Correct answer is C
No explanation has been provided for this answer.