2014 - WAEC Biology Past Questions & Answers - page 1

1
The excretory product in protozoans is
A
amino acid
B
uric acid
C
ammonia
D
urea
CORRECT OPTION: c
2
Which of the following is a living organism?
A
Muscle
B
Nucleus
C
Yeast
D
Mitochondrion
CORRECT OPTION: c
3
Which of the following organisms is the most specialized ?
A
paramecium
B
Amoeba
C
Spirogyra
D
Rhizopus
CORRECT OPTION: d
4
Active transport can be defined as the movement of
A
substances from a region of high concentration to a region of low concentration
B
substances from a region of low concentration to a region of high concentration across a living cell membrane
C
substances across a living cell membrane using energy from the cell
D
movement of molecules in a medium
CORRECT OPTION: b
5
Which of the following cell inclusions can destroy other cell organelles?
A
Centriole
B
Ribosome
C
Lysosome
D
Mitochondrion
CORRECT OPTION: c
6
In which of the following yam tissues will osmosis occur?
A
Boiled and peeled
B
Raw and peeled
C
Boiled and unpeeled
D
Roasted and peeled
CORRECT OPTION: b
7
The following events occur during mitosis in a cell:
I. Chromatids separate;
II. Chromosomes become visible;
III. Chromosomes align at the equator
IV. Cytoplasm divides (Cytokinesis):
The correct sequence of the events is
A
lll, ll,lV,l.
B
ll, lll, l,lV
C
ll, l, lll, lV
D
II, IV, I, III.
CORRECT OPTION: b
8
Which of the following statements about asexual reproduction is correct? It
A
always involves one parent but the offspring is genetically different from the parent.
B
may involve two parents but the offspring is always identical to one parent
C
always involves one parent and the offspring is genetically identical to the parent
D
involves two parents but the offspring is not genetically identical to any of the parents
CORRECT OPTION: c
9
Which of the following processes is not a function of the mammalian skin?
A
Regulation of body temperature
B
Reception of external stimuli
C
Excretion
D
Gaseous exchange
CORRECT OPTION: d
10
The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised because
A
impulses fromreceptors in the legs cannot travel to the brain
B
impulses from the brain cannot travel to the legs
C
chemical substances will be released at synapses in the central nervous system
D
reflexx actions cannot take place in the legs
CORRECT OPTION: a
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