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.
open
haemocoelic
single
closed
Correct answer is D
No explanation has been provided for this answer.
osmosis
plasmolysis
turgidity
haemolysis
Correct answer is D
No explanation has been provided for this answer.
The phloem parenchyma is sometimes used for
food storage
supporting the stem
production of the sieve tube
transporting water
Correct answer is A
No explanation has been provided for this answer.
The activity of ptyalin is likely to decrease with an increase in concentration of
oxygen
starch
protein
acid
Correct answer is D
No explanation has been provided for this answer.
The nitrifying bacteria, Nitrosomonas, converts ammonia to
nitirites
nitric acid
nitrates
nitrous oxide
Correct answer is A
No explanation has been provided for this answer.