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 organisms is multicellular?
Chlamydomonas
Spirogyra
Amoeba
Euglena
Correct answer is B
A spirogyra is a multi-cellular organism that is also an informal grouping of diverse eukaryotic organisms. All other options are unicellular organisms.
Which of the following is the most complex according to their cellular level of organization?
Heart
Hair
Euglena
Hydra
Correct answer is A
No explanation has been provided for this answer.
The structure labelled V is the
mitochondrion
ribosome
nucleus
centriole
nucleolus
Correct answer is B
No explanation has been provided for this answer.
The lowest level of organization in living organisms is
organ
cell
system
tissue
Correct answer is B
No explanation has been provided for this answer.
Adenine pairs with thymine because
the two occur in the same nucleic acid
one is a strong base and the other a weak base
two purine bases easily pair up
one is a purine base and the other a pyrimidine
Correct answer is D
No explanation has been provided for this answer.