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.
A group of organism of the same species living together in a particular area is described as
Colony
Community
Population
Niche
Correct answer is C
Population is a group of organisms of the same species living in the same area at the same time, and which are capable of interbreeding.
Which of the following is a mixed gland
Pituitary
Adrenal
Pancreas
Thyroid
Correct answer is C
A mixed gland has both endocrine and exocrine functions. The exocrine component has ducts through which its secretions pass. The pancreas is a gland with both endocrine (insulin production) and exocrine (production of digestive enzymes) functions.
The vessels carrying oxygenated blood to the tissues are known as
Arteries
Ventricles
Aorta
Lung
Correct answer is A
The arteries are perceived as carrying oxygenated blood to the tissues.
Cold blooded animals are referred to as
Poikilothermic
Homothermic
Polythermic
Homeostatic
Correct answer is A
Insects, fish, reptiles, and amphibians are cold blooded because their body temperature changes along with the external temperature which are known as poikilothermic, while birds and mammals are warm blooded because they maintain a high body temperature regardless of the external temperature.
A poikilothermic is an animal whose internal temperature varies considerably. It is the opposite of a homoeothermic, an animal which maintains thermal homeostasis.
Locomotion
Homeostasis
Transpiration
Photosynthesis
Correct answer is D
No explanation has been provided for this answer.