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 hormone which regulates the amount of glucose in the blood is called
Adrenalin
Auxin
Insulin
Thyroxine
Correct answer is C
Insulin helps control blood glucose levels by signaling the liver and muscle and fat cells to take in glucose from the blood.
The micro-organisms that causes Typhoid disease is
trypanosome gambiense
Salmonella typhi
entamoeba histolytica
plasmodium sp
Correct answer is B
No explanation has been provided for this answer.
Primary consumers are found in
1, 2, and 3
1, 3, and 7
2, 3, and 7
2, 4, and 5
Correct answer is C
No explanation has been provided for this answer.
The biomass is likely to increase in the sequence
1→2→4→5
1→3→4→5
3→5→6→7
5→4→3→1
Correct answer is D
No explanation has been provided for this answer.
The importance of the mouth-brooding behaviour in Tilapia is that it
helps in keeping the young fish warm
affords protection from predation for the young fish
helps the fish to live in a social group
provides regurgitated nourishment to the young fish
Correct answer is B
No explanation has been provided for this answer.