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 correct about the mammalian heart?
Oxygenated blood enters the left auricle from the pilmonary vein
the walls of the ventricle are thicker than those of the auricle
blood passes from of blood into the right ventricle to the left auricle through the aorta
the tricuspid valve prevents the back flow of blood into the right auricle
Correct answer is C
No explanation has been provided for this answer.
Which of the following is not a skeletal tissue?
Plasma
Chitin
Cartilage
Bone
Correct answer is A
No explanation has been provided for this answer.
Anaerobic respiration results in the production of
more energy than aerobic respiration
no energy
an equal amont of energy to aerobic respiration
less energy than aerobic respiration
Correct answer is D
No explanation has been provided for this answer.
stop growing
grow rapidly
continue to grow normally
die completely
Correct answer is B
No explanation has been provided for this answer.
The opening of the guard cells of the epidermis in plants is by the process of
osmosis
diffusion
active transport
transpiration
Correct answer is A
No explanation has been provided for this answer.