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.
The respiratory organ found in the cockroach is the
air sac
trachea
lung book
lung
gill
Correct answer is B
No explanation has been provided for this answer.
concentration gradient across the respiratory surface
presence of thin membrane as the respiratory surface
last transportation of absorbed gases
presence of large surface area of the respiratory organ
presence of small, dry surface area of the respiratory organ
Correct answer is E
No explanation has been provided for this answer.
Which of the following is the medium of transportation of nutrients with unicellular organisms?
Blood
Serum
Protoplasm
Plasma
lymph
Correct answer is C
No explanation has been provided for this answer.
Which of the following diseases is caused by deficiency of insulin in the body?
Malaria
Diabetes mellitus
Hepatitis
Gonorrhoea
Cholera
Correct answer is B
No explanation has been provided for this answer.
In which of the following parts of a cell is the chromosome found?
Nucleus
Golgi body
Cytoplasm
Cell membrane
Cell wall
Correct answer is A
No explanation has been provided for this answer.