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.
filtration
reabsorption
haemolysis
osmosis
dialysis
Correct answer is B
No explanation has been provided for this answer.
Which of the following are components of glomerular filtrate?
All the components of blood except mineral salts
Water and salt only
All the components of blood except plasma protein and cells
Plasma proteins, red, and white blood cells
Blood cells, amino acid, salts, and nitrogenous wastes
Correct answer is C
No explanation has been provided for this answer.
Breathing movement in mammals is accompanied by regular movements of the diaphragm and the
intercostal muscles
vertebral column
clavicle
pleural cavity
floating ribs
Correct answer is A
No explanation has been provided for this answer.
Gaseous exchange takes place in the adult toad through the
buccal cavity, bladder, and lungs
buccal cavity, skin, and lungs
tympanic membrane, lungs, and gills
buccal cavity, skin, and spiracle
gills, skin, and buccal cavity
Correct answer is B
The toads breathe through their mouth, skin, and lungs. The mouth cavity is also referred to as the buccal cavity.
Water vapour is lost in plants during transpiration through
stomata and lenticels
xylem and stomata
sclerenchyma and stomata
parenchyma and lenticels
guard cells and lenticels
Correct answer is A
No explanation has been provided for this answer.