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.
N2 content is kept constant in the biosphere due to
N2 fixation
industrial pollution
nitrogen cycle
absorption of N2
Correct answer is C
No explanation has been provided for this answer.
reproductive organs of animals
plants
insects
mammals
Correct answer is B
No explanation has been provided for this answer.
Neurospora is used as genetic material because
it has short life cycle of 10 days
the product of single meiosis can be easily analysed
meiotic products are linearly arranged in the form of ordered tetrads
is a diploid fungus
Correct answer is A
No explanation has been provided for this answer.
Plants hormone that induces cell division is
auxins
gibberellins
kinins
domins
Correct answer is C
No explanation has been provided for this answer.
Placenta is the structure formed
by the union of foetal and uterine tissue
by foetus only
by fusion of germ layers
None of these
Correct answer is A
No explanation has been provided for this answer.