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 gland is responsible for producing the hormone insulin?
Thyroid gland
Pituitary gland
Pancreas
Adrenal gland
Correct answer is C
The pancreas is an organ located in the abdomen, and it serves both digestive and endocrine functions. In terms of hormone production, the pancreas is responsible for producing insulin. Insulin plays a crucial role in regulating blood sugar levels by facilitating the uptake of glucose into cells.
Which of the following is the primary organ involved in gas exchange during respiration in humans?
Diaphragm
Bronchi
Lungs
Trachea
Correct answer is C
The primary organ involved in gas exchange during respiration in humans is the lungs. The lungs are a pair of respiratory organs located in the chest cavity. They are responsible for the exchange of oxygen and carbon dioxide between the air and the bloodstream.
Robert Hooke
Schwann
De Bary
Tatum
Correct answer is A
The term cell was given by Robert Hooke. The term cell was coined by Robert Hooke. Robert Hooke observed a honeycomb-like structure under the microscope while cutting a thin section of cork, hence he named the structure as a cell.
Constructing dams for hydroelectric power
Introducing invasive species for pest control
Clear-cutting forests for timber extraction
Establishing marine protected areas
Correct answer is D
Ecological management and conservation involve strategies and practices aimed at preserving and protecting natural ecosystems and their biodiversity. Among the options provided, the establishment of marine protected areas is an example of such management and conservation through a biological association.
Which of the following are components of the skeletal system in humans?
Cartilage and blood vessels
Ligaments and tendons
Muscles and nerves
Bones and joints
Correct answer is D
The skeletal system in humans is composed of bones and joints. Bones and joints are the primary components of the human skeletal system.