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 part of the ear in mammals responsible for the detection of sound is the
utriculus
tympanum
cochlea
semi-circular canal
Correct answer is C
No explanation has been provided for this answer.
The teeth used for tearing and cutting are
canine and molars
premolar and incisors
molar and incisors
canine and incisors
Correct answer is D
No explanation has been provided for this answer.
Use the information on the stages involved in conjugation to answer the question below
I. Transfer of one cell content into the adjacent cell
II. Formation of a conjugation tube
III. Secretion of thick wall to form a zygospore
IV. Formation of a protuberance
V. Germination of a filament
Which of the following arrangements is the correct sequence of the process?
II, I, IV, V and III
IV, II, I, III and V
IV, I, II, V and III
V, II, III, IV and I
Correct answer is A
No explanation has been provided for this answer.
Use the information on the stages involved in conjugation to answer the question below
I. Transfer of one cell content into the adjacent cell
II. Formation of a conjugation tube
III. Secretion of thick wall to form a zygospore
IV. Formation of a protuberance
V. Germination of a filament
Which of the following organisms exhibits 'the stages listed above during conjugation?
Chlamydomonas
Euglena
Spirogyra
Volvox
Correct answer is C
No explanation has been provided for this answer.
During anaerobic respiration in skeletal muscles, pyruvic acid is
reduced to lactic acid
oxidized to ethanol
oxidized to lactic acid
reduced to water
Correct answer is A
No explanation has been provided for this answer.