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Biology
WAEC / WASSCE 1991
Excretion & Homeostasis
Kidney stone is a disease of the Kidney that result in the
A
blockage of the tubules by solid particles
B
passing out useful materials of the body fluid within the urine
C
presence of large quantity of water in urine
D
passing out hormones in the urine
E
prevention of urine production
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 #15764)
Biology
WAEC / WASSCE 1991
Digestive System & Feeding Mechanisms
The following are the activities of the liver except
A
production of heat
B
manufacture of bile
C
detoxication of alcohol and drugs
D
maintenance of osmotic balance
E
deamination of excess nitrogenous substance
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 #15766)
Biology
WAEC / WASSCE 1991
Digestive System & Feeding Mechanisms
Infective hepatitis is a disease of the
A
heart
B
kidney
C
liver
D
stomach
E
pancreas
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 #15768)
Biology
WAEC / WASSCE 1991
Nervous, Hormonal Coordination & Sense Organs
The pituitary is regarded as the master gland because
A
it is locatd in the brain
B
its secretion are the most numerous
C
its secretion control other endocrine glands
D
it is the biggest endocrine gland
E
it controls the activities of the brain
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 #15799)
Biology
WAEC / WASSCE 1991
Variety of Organisms & Classification of Living Things
Growing radicles of seddlings are
A
negatively phototropic
B
positively phototropic
C
negatively geotropic
D
negatively hydrotropic
E
positively phototactic
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 #15921)
Biology
WAEC / WASSCE 1991
Variety of Organisms & Classification of Living Things
Over-secretion of thyroxin is likely to lead to
A
thinness in body
B
sluggishness
C
cretinism in infant
D
reduced metabolism
E
dwarfism
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 #15922)
Biology
WAEC / WASSCE 1991
Variety of Organisms & Classification of Living Things
If a germinating seed is attached horizontally on a revolving klinostat, what will be the effect of the seedling after three days? The
A
plumule will curve vertically upward while the radicle will curve towards the ground
B
plumule and radicle will not show any curvature
C
radicle will curve towards the ground while the plumule will not show any curvature
D
plumule will curve vertically upward while the radicle will not show any curvature
E
plumule and radicle will curve towards the ground
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #15923)
Biology
WAEC / WASSCE 1991
Variety of Organisms & Classification of Living Things
The human skin is regarded as a sense organ because it
A
separates the body from the outside world
B
protects the body from cold and heat
C
regulates the water content of the body
D
has an outer layer of dead cells
E
has nerve endings
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #15924)
Biology
WAEC / WASSCE 1991
Nervous, Hormonal Coordination & Sense Organs
Solution
The part of the brain responsible for the control the controls of voluntary movement and interpretation of sensation is the
A
cerebrum
B
cerebellum
C
optic lobe
D
medulla oblongata
E
olfactory lobe
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The cerebrum is the largest part of the brain and is responsible for high-level functions. It contains the motor cortex, which initiates and controls voluntary movements, and the sensory cortex (specifically the somatosensory cortex in the parietal lobe), which is responsible for the interpretation of sensations such as touch, pain, and temperature. While other parts of the brain assist in these processes, the cerebrum is the primary center for conscious thought and voluntary action.
Source: Myschool Past Questions Archive (Record #15925)
Biology
WAEC / WASSCE 1991
Nervous, Hormonal Coordination & Sense Organs
Which part of the ear is responsible for the maintenance of balance?
A
Ossicles
B
Tympanic membrane
C
Eustachian tube
D
semicircular canals
E
Cochlea
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 #15926)
Biology
WAEC / WASSCE 1991
Reproduction in Plants & Animals
Which of the following is not part of the female reproductive system?
A
Ovary
B
Seminal vessicles
C
Uterus
D
Vagina
E
Fallopian tube
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #15927)
Biology
WAEC / WASSCE 1991
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
In testing for a reducing sugar, the food substance is usually warmed with
A
sulphuric acid
B
million's reagent
C
sudan III
D
Benedicts's solution
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 #15933)
Biology
WAEC / WASSCE 1991
Transport System in Plants & Animals
Which of the following adapts the aorta to the high pressure of the blood from the heart?
A
Thin walls
B
Fragile membrane
C
Thick elastic walls
D
stiff walls
E
Narrow lumen
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 #15934)
Biology
WAEC / WASSCE 1991
Digestive System & Feeding Mechanisms
The part of the alimentary system of a bird where grinding of maize occurs is the
A
crop
B
stomach
C
gizzard
D
cloaca
E
rectum
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 #15935)
Biology
WAEC / WASSCE 1991
Population Ecology, Habitats & Conservation
Natality is a factor affecting population density because it involves
A
increase in population due to immigration
B
increase in population due to emigration
C
the number of mature females in the population
D
the number of females in the population
E
the number of all young ones produced in the population
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #15936)