Which of the following results is to be expected if the set up is left for several hours?
decrease in the size of the yam
movement of the salt solution into the water
decrease in the volume of water inside the yam
movement of water from the salt solution into the yam
Correct answer is C
No explanation has been provided for this answer.
Yam is used in this set-up because it
is a permeable to the salt solution
is a plant material
acts as a storage organ
acts as a semi-permeable membrane
Correct answer is D
No explanation has been provided for this answer.
which of the following is used to test for the presence of lime in a soil sample?
H2SO4(aq)
NaOH(aq)
HCl(aq)
HNO3(aq)
Correct answer is C
No explanation has been provided for this answer.
The function of the part labelled III is to
contract to pull the hair erect
conduct nervous impulses
carry blood and nitrogenous waste
produce oil for the skin
Correct answer is A
No explanation has been provided for this answer.
The sweat gland is the structure labelled
I
II
III
IV
Correct answer is D
No explanation has been provided for this answer.
JAMB Subjects
Aptitude Tests