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 an agricultural ecosystem, the biotic component consist of
crops, pests, and beneficial insects
crops, temperature, and humidity
pests, beneficial insects, and water
crops, water, and soil
Correct answer is A
The living components of an ecosystem are called the biotic components, option A has all living components.
Kidney
Pancreas
Spleen
Liver
Correct answer is D
Deamination is used to break down amino acids for energy, and occurs primarily in the liver.
The theory of use and disuse of organs was promulgated by
Alfred Wallace
Charles Darwin
Jean Lamarck
Robert Hook
Correct answer is C
No explanation has been provided for this answer.
A collection of population of all living organisms that exist in a habitat is referred to as
niche
ecosystem
community
environment
Correct answer is C
No explanation has been provided for this answer.
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.