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.
In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
alcohol
oxygen
carbon dioxide
energy
ethanol
Correct answer is C
No explanation has been provided for this answer.
All the following are digestive enzymes except
bile
lipase
maltase
pepsin
ptyalin
Correct answer is A
No explanation has been provided for this answer.
The two types of human tapeworm can be distinguished by the presence or absence of
scolex
hook
head
sucker
proglottis
Correct answer is B
No explanation has been provided for this answer.
What is name of the respiratory organ of the crab?
Tubules
Trachaea
Spiracles
Lungs
Gills
Correct answer is D
A branchiostegal lung is a respiration organ used by some air-breathing arthropods.
It is one of the most significant adaptations of some crabs and hermit crabs such as the coconut crab to their terrestrial habitats.
The rate of transpiration of a leafy shoot would be highest under
damp, cold, still air
damp, warm, moving air
dry, warm, moving air
dry, cold, moving air
dry, warm, still air
Correct answer is C
No explanation has been provided for this answer.