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 study of organism and the environment of an abandoned farmland is the ecology of?
a community
a population
a specie
a habitat
an ecosystem
Correct answer is E
The ecology of ecosystem has to do with the study of every factor living (biotic) and non- living (abiotic), which affects the population.
The hormone which tones up the muscles of a person in time of danger is from the
thyroid gland
pancreas
adrenal gland
liver
spleen
Correct answer is C
The adrenalin is a hormone which is released in times of danger. It is produced in the adrenal gland.
A geen filament algae, a flowering plant and a bird
A toad (or frog) , ameoba and mucor ( penicillium)
A flowering plant, tape worm (or ascaris) and a green filamentous algae
Mucor (or penicillium), a bird and a toad (or frog)
Ameoba, mucor (or penicillium ) and a green filamentous algae
Correct answer is E
Amoeba reproduces by binary fission which is a form of asexual reproduction. Also, the mucor as well as the green algae reproduce asexually.
In the life history of schistosoma (Bilharzia), one of the following is intermediate host
man
snail
mosquito larva
crayfish
fish
Correct answer is B
Bhilharzia is another name for snail fever, which attacks primarily the snail's urinary tract.
Nitrifying bacteria keep the soil fertile by
converting nitrate to nitrogen
converting ammonium salt to nitrate
converting atmospheric nitrogen to plant nitrogen
converting nitrate to nitrous oxide
converting atmospheric nitrogen to nitrates
Correct answer is B
Nitrifying bacteria are microorganisms that help to convert soil ammonium to nitrates, the form in which it is usable by the plants.