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 statements is not true about hormones?
Their responses are voluntary
They may affect more than one target organ
They are chemical messengers in animals
They are transported by the blood to the target organs
Correct answer is B
No explanation has been provided for this answer.
The process of maintaining a steady internal environment is known as__________
osmoregulation
equilibration
homeostasis
plasmolysis
Correct answer is C
No explanation has been provided for this answer.
Excretory products in plants responsible for the discoloration of flowers are called__________
alkaloids
tannins
anthocyanins
resins
Correct answer is D
No explanation has been provided for this answer.
The products of tissue respiration are_________
glucose, oxygen, and water
oxygen, water, and energy
glucose, carbon dioxide, and energy
water, carbon dioxide, and energy
Correct answer is D
No explanation has been provided for this answer.
The heart can beat continuously without being fatigued because it is composed of________
skeletal muscles
smooth muscles
cardiac muscles
renal muscles
Correct answer is C
No explanation has been provided for this answer.