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Biology
WAEC / WASSCE 2017
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Diagram
The diagram above is an illustration of the urinary tubule in a mammal. Which of the following substances is greater in concentration in the part labelled IV when compared to that part labelled I?
Attached Figure / Diagram
A
Lipid
B
Glucose
C
Urea
D
Uric acid
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #48553)
Biology
WAEC / WASSCE 2017
Excretion & Homeostasis
Deamination of amino acids in the liver produces
A
blood sugar
B
glycogen
C
bile
D
urea
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #48558)
Biology
WAEC / WASSCE 2017
Digestive System & Feeding Mechanisms
Solution
Which of the following glands also serves as an exocrine gland?
A
Ovary
B
Pancreas
C
Adrenal
D
Thyroid
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete products—bile and pancreatic juice—into the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream.
Source: Myschool Past Questions Archive (Record #48560)
Biology
WAEC / WASSCE 2017
Nervous, Hormonal Coordination & Sense Organs
Which of the following sequences is the correct route of the transmission of impulses along a reflex arc?
A
\(Receptor\to sensory neuron \to synapse \to intermediate neuron \to synapse \to motor neuron \to effector\)
B
\(Receptor \to motor neuron \to synapse \to intermediate neuron \to synapse \to sensory neuron \to effector\)
C
\(Effector \to intermediate neuron \to synapse \to motor neuron \to synapse \to sensory neuron \to receptor\)
D
\(Effector \to motor neuron \to synapse \to sensory neuron \to synapse \to intermediate neuron \to receptor\)
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #48565)
Biology
WAEC / WASSCE 2017
Variety of Organisms & Classification of Living Things
When viewing an object that is close to the human eye, the
A
eye lens becomes thin
B
ciliary muscles relax
C
suspensory lens become taut
D
eye lens becomes fat
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #48566)
Biology
WAEC / WASSCE 2017
Cell Structure, Organization & Cell Division
Diagram
The diagram above is an illustration of the human sperm. The part labelled I is the
Attached Figure / Diagram
A
acrosome
B
nucleus
C
mitochondrion
D
tail
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #48567)
Biology
WAEC / WASSCE 2017
Reproduction in Plants & Animals
Diagram
In the diagram of the human sperm above, the function of the part labelled II is to
Attached Figure / Diagram
A
fuse the ovum during fertilization
B
generate the energy for the sperm to swim to the fallopian tube
C
help the sperm to swim forward
D
dissolve the membrane of the egg during fertilization
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #48568)
Biology
WAEC / WASSCE 2017
Reproduction in Plants & Animals
Which of the following types of placentation is not common amongst syncarpous pistils?
A
Marginal
B
Axile
C
Parietal
D
Free central
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option A.
Source: Myschool Past Questions Archive (Record #48569)
Biology
WAEC / WASSCE 2017
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The complex energy-rich organic matter which living organisms need for life is
A
water
B
air
C
food
D
mineral salts
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #48570)
Biology
WAEC / WASSCE 2017
Supporting Tissues & Skeletal System
Diagram
Solution
Which of the labelled parts of the diagram of the part of the human skeleton articulates with the head of the trochlea to form a hinge joint?
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The part II is attached to the humerus. It forms a hinge joint to make up the hand.
Source: Myschool Past Questions Archive (Record #48541)
Biology
WAEC / WASSCE 2017
Supporting Tissues & Skeletal System
Diagram
Solution
The diagram above illustrates a part of the human skeleton. The labelled part that provides surface for the attachment of the triceps is
Attached Figure / Diagram
A
I
B
II
C
III
D
IV
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The triceps is a large muscle on the back of the upper limb of many vertebrates. The part III is a part of the bone that forms the triceps.
Source: Myschool Past Questions Archive (Record #48542)
Biology
WAEC / WASSCE 2017
Variety of Organisms & Classification of Living Things
Diagram
Solution
The diagram above illustrates the transverse section of a
Attached Figure / Diagram
A
dicotyledonous root
B
monocotyledonous root
C
dicotyledonous stem
D
monocotyledonous stem
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The diagram shows the transverse section of a dicotyledonous stem showing its tissue distribution.
Source: Myschool Past Questions Archive (Record #48544)
Biology
WAEC / WASSCE 2017
Respiration & Gaseous Exchange
Solution
Which of the following actions does not occur during exhalation in man?
A
Thoracic cavity decreases in volume
B
Diaphragm flattens
C
Ribs move down and in
D
Air pressure increases in the thoracic cavity
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
When you breathe in, or inhale, your diaphragm tightens and moves downward (flattens).
Source: Myschool Past Questions Archive (Record #48546)
Biology
WAEC / WASSCE 2017
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Diagram
The diagram above is an illustration of the urinary tubule in a mammal. Which of the following substances is found in the part labelled II only?
Attached Figure / Diagram
A
Lipid
B
Glucose
C
Urea
D
Uric acid
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #48548)
Biology
WAEC / WASSCE 2017
Population Ecology, Habitats & Conservation
The number of individuals that the environment can support over a long period of time is its
A
growth rate
B
total capacity
C
population capacity
D
carrying capacity
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option C.
Source: Myschool Past Questions Archive (Record #48576)