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 of the following structure is associated with aerobic respiration?
1
2
3
4
Correct answer is D
The organelle labelled 4 is the mitochondrion which is the site of respiration.
The population of I was higher than II at the beginning of the experiments
II was wiped out from the enviroment at the end of the experiments
The population of II was always lower than that of I
The population of I was lower at the end of the experiment than at the beginning
Correct answer is B
No explanation has been provided for this answer.
The structure labelled X is used by the organism in the same way as man uses his?
oesophagus
trachea
stomach
intestine
Correct answer is A
To gather food, the Paramecium makes movements with cilia to sweep prey organisms, along with some water, through the oral groove (vestibulum, or vestibule), and into the cell.
This organelle marked as x in the paramecium above serves similar function as oesophagus in man.
Melanin and keratin are produced in the part labelled
2
3
4
5
Correct answer is A
No explanation has been provided for this answer.
cartilage
ligament
synovial fluid
bone
Correct answer is C
No explanation has been provided for this answer.