2016 - WAEC Biology Past Questions & Answers - page 1

1
Flaccidity in plants is associated with
A
cessation of photosynthesis
B
wilting
C
turgidity
D
discolouration of leaves
CORRECT OPTION: b
2
Which of the following substances is not usually present in the urine of a healthy person?
A
Urea
B
Mineral salts
C
Glucose
D
Water
CORRECT OPTION: c
3
Lateral meristem in flowering plants is found in the
A
cortex
B
pericycle
C
cambium
D
pith
CORRECT OPTION: c
4
The cells and tissues of the nose, throat, chest diaphragm and lungs from the
A
circulatory system
B
respiratory
C
transport system
D
digestive system
CORRECT OPTION: b
5
The exchange of gases between the environment and the respiratory organs of vertebrates is referred to as
A
inhalation
B
respiration
C
expiration
D
breathing
CORRECT OPTION: d
6
The maintenance of a constant internal environment in an organism is known as
A
homeostasis
B
homoiothermy
C
diuresis
D
dialysis
CORRECT OPTION: a
7
Which of the following organs is responsible for the production of insulin?
A
Spleen
B
Adrenal gland
C
Thyroid gland
D
Pancreas
CORRECT OPTION: d
8
Which of the following actions is NOT a voluntary action?
A
Stealing
B
Sneezing
C
Fighting
D
Cheating
CORRECT OPTION: b
9
Which of the following parts of the ear does NOT contain endolymph?
A
Semi-circular canals
B
Utriculus
C
Tympanum
D
Sacculus
CORRECT OPTION: a
10
The steps below are involved in the testing of a leaf for starch. Study them carefully and answer the question

The CORRECT order for the test is
A
I, II, III and IV
B
I, III, II and IV
C
II, III,, I and IV
D
III, I, II and IV
CORRECT OPTION: d
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