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Biology
WAEC / WASSCE 1989
Cell Structure, Organization & Cell Division
Diagram
What stage is illustrated by the diagram?
Attached Figure / Diagram
A
lnterphase
B
Prophase
C
Metaphase
D
Anaphase
E
Telophase
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 #17030)
Biology
WAEC / WASSCE 1989
Cell Structure, Organization & Cell Division
Diagram
Solution
What is the name given to the structure labelled A at this stage of cell division
Attached Figure / Diagram
A
Chromatin
B
Centrtomere
C
Chromatid
D
Gene
E
Daughter-chromosome
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The centromere appears as a constricted region of a chromosome and plays a key role in helping the cell divide up its DNA during division (mitosis and meiosis). Specifically, it is the region where the cell's spindle fibers attach.4
Source: Myschool Past Questions Archive (Record #17032)
Biology
WAEC / WASSCE 1989
Variety of Organisms & Classification of Living Things
The evidence for evolution can be obtained from the following except
A
fossil
B
anatomy
C
history
D
embryology
E
taxonomy.
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 #17033)
Biology
WAEC / WASSCE 1989
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following fixes atmospheric nitrogen?
A
Rhizobium
B
Nitrosomonas
C
Nitrobacter
D
Putrefying bacteria
E
Denitrifying bacteria
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 #17041)
Biology
WAEC / WASSCE 1989
Nervous, Hormonal Coordination & Sense Organs
The spaces between neutrones through which impulses cross by means of chemical reaction are called
A
axons
B
ganglia
C
synapses
D
dendrites
E
pia mater
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 #17042)
Biology
WAEC / WASSCE 1989
Variation & Genetics (Heredity)
The inability of some individuals to perceive the taste of some substances is an example of
A
individual adaptation
B
physiological variation
C
morphological variation
D
morphological adaptation
E
physical variation
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 #17043)
Biology
WAEC / WASSCE 1989
Population Ecology, Habitats & Conservation
The term afforestation is used in describing
A
harvesting of natural forest resources
B
planting trees of value to man
C
fallowing of forestland
D
felling of trees in the forest
E
recycling of waste forest products.
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 #17044)
Biology
WAEC / WASSCE 1989
Variety of Organisms & Classification of Living Things
Over-crowding in seedlings of different species is less serious than over-crowding involving one species
because different species may
A
have different nutritional needs
B
lack the same nutrient
C
be active at the same time
D
have similar tolerance
E
need equal spacing
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 #17045)
Biology
WAEC / WASSCE 1989
Adaptation & Evolution
The similarity between the bone structure of the arm of a human and the fore-limb of a
rabbit indicates
A
adaptive radiation
B
continuous variation
C
a common origin
D
convergent evolution
E
adaptation to the same environment
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 #17035)
Biology
WAEC / WASSCE 1989
Basic Ecological Concepts, Ecosystems & Biomes
Diagram
What phenomenon in ecosystem does the diagram illustrate?
Attached Figure / Diagram
A
Pyramid of numbers
B
Food web among organisms
C
Pyramid of energy
D
Pyramid of biomass
E
Evolutionary trend in organisms
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 #17037)
Biology
WAEC / WASSCE 1989
Population Ecology, Habitats & Conservation
Diagram
Which of the following effects would desertification have on the
ecological balance represented in the diagram above? The calorific
value' of the energy
Attached Figure / Diagram
A
. 10 x 104k cal obtained from the sun would decrease
B
10 x 104k cal obtained from the sun would increase
C
6 x 104k cal obtained at level I would increase
D
1 x 104k cal obtained at level V would increase
E
3.5x 104k cal obtained at level II would increase
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 #17038)
Biology
WAEC / WASSCE 1989
Growth, Micro-organisms & Public Health
One of the methods of preventing measles is by
A
sleeping under mosquito net
B
attacking the vectors
C
attacking the secondary host
D
vaccinating young children
E
providing clean water supply
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 #17039)
Biology
WAEC / WASSCE 1989
Adaptation & Evolution
Group instinct or social behaviour is not displayed in
A
soldier ants
B
bees
C
chickens
D
weaver birds
E
termites
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 #17040)
Biology
WAEC / WASSCE 1989
Nervous, Hormonal Coordination & Sense Organs
The autonomic nervous system comprises
A
sympathetic and parasympathetic systems
B
cranial and sacral nerves
C
brain and cranial nerves
D
spinal cord and spinal nerves
E
brain and spinal nerves
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 #17046)
Biology
WAEC / WASSCE 1989
Cell Structure, Organization & Cell Division
The scientist who discovered the honey-comb structure of the cell was
A
Robert Hooke
B
Felix Dujardin
C
Mathias Schleiden
D
Theodore Schowann
E
Louis Pasteur
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 #17047)