1992 - WAEC Biology Past Questions and Answers - page 2
11
Which of the following organs is associated with deamination of proteins?
A
lung
B
stomach
C
kidney
D
liver
correct option: d
Users' Answers & Comments12
Ultrafiltration in the kidney takes place in the
A
loop of Henle
B
renal vein
C
Bowman's capsule
D
pelvis
correct option: c
Users' Answers & Comments13
Which of the following is a structures functions as an excretory system found in flatworm?
A
Contractile vacuole
B
Nephridium
C
Flame cell
D
Malpighiam tubule
correct option: c
Users' Answers & Comments14
When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations of ions on either side of the membrane?
A
There is an excess of potassium ions inside the axon and an excess of sodium ions outside
B
The inside of the axon becomes positively charged while the outside is negatively charged
C
There is an excess of sodium ions on the inner side of the axon
D
Chloride and potassium ions begin to move acrossthe membrane
correct option: a
Users' Answers & Comments15
The groups of sensory cells found on the upper surface of the tongue are called
A
ampullae
B
taste buds
C
nerve cells
D
somatic cells
correct option: b
Users' Answers & Comments16
Which of the following is not a courtship behaviour exhibited by animals
A
Pairing
B
Display
C
Seasonal migration
D
Hibernation
correct option: d
Users' Answers & Comments17
Which of the following mineral salts is a trace element?
A
Zinc
B
Carbon
C
Hydrogen
D
Potassium
correct option: a
Users' Answers & Comments18
Which of the following organisms reduces nitrates in the soil to gaseous nitrogen?
A
Euglena
B
Protozoan
C
Denitrifying bacterium
D
Parasitic mould
correct option: c
Users' Answers & Comments19
What type of relation exists between a tapeworm and an infected mammal?
A
Symbiosis
B
Commensalism
C
Predation
D
Parasitism
correct option: d
Users' Answers & Comments20
Which of the following best describes a marine habitat?
A
large body of water
B
which has no distinctive color or taste
C
with high concentration of salt
D
with little suspended materials
correct option: c
Users' Answers & Comments