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.
Use the diagram below to answer the question.
pulmonary artery
vena cava
aorta
bicuspid valve
Correct answer is C
No explanation has been provided for this answer.
Use the diagram below to answer the question.
Oxygenated blood is pumped to the entire body from the part labelled
IV
lll
ll
l
Correct answer is A
| RIGHT ATRIUM (II) | LEFT ATRIUM (I) |
| RIGHT VENTRICLE (III) | LEFT VENTRICLE (IV) |
- The part labelled iv is the LEFT VENTRICLE
-The left atrium receives the now oxygen-rich blood from the lungs and pumps it into the left ventricle. The left ventricle pumps the oxygen-rich blood to the body through a large network of arteries.
Use the diagram below to answer the question.
The function of the structure labelled l is to
stimulate the development of secondary sexual characters
prepare the body for any emergency
maintain proper glucose concentration in the blood
regulate the activities of other endocrine glands
Correct answer is D
No explanation has been provided for this answer.
Use the diagram below to answer this question.
Insulin is produced by the endocrine organ labelled
IV
III
II
I
Correct answer is B
No explanation has been provided for this answer.
Use the diagram below to answer this question.
photosensitive
radiosensitive
chemoreceptive
tactile
Correct answer is D
No explanation has been provided for this answer.