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Biology
WAEC / WASSCE 2009
Variation & Genetics (Heredity)
The following statements about mitotic cell division are correct except that
A
it occurs only in young cells
B
it occurs In somatic cells
C
the chromosome number of the daughter cell is the same as that of the parent
D
the genetic composition of the mother cell is the same as that of the daughter cell.
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 #21432)
Biology
WAEC / WASSCE 2009
Supporting Tissues & Skeletal System
Solution
The longest bone in the body is the
A
humerus
B
femur
C
scapula
D
tibia
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The femur, commonly known as the thigh bone, is the longest, strongest, and heaviest bone in the human body. It extends from the hip joint to the knee joint and typically accounts for about one-fourth of a person's total height.
Source: Myschool Past Questions Archive (Record #21433)
Biology
WAEC / WASSCE 2009
Supporting Tissues & Skeletal System
Which of the following structures is not a skeletal material?
A
Chitin
B
Cartilage
C
Bone
D
Muscle
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 #21434)
Biology
WAEC / WASSCE 2009
Transport System in Plants & Animals
The reason why the flow of blood through the capillaries is very slow is
A
because the walls of capillaries are very thin
B
to avoid high blood pressure
C
to ensure that the individual does not get dizzy
D
to allow adequate time for exchange of materials.
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 #21435)
Biology
WAEC / WASSCE 2009
Variety of Organisms & Classification of Living Things
Diagram
After an hour, the level of water in the thistle funnel will
Attached Figure / Diagram
A
rise
B
fall
C
remain the same
D
double
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 #21426)
Biology
WAEC / WASSCE 2009
Cell & Its Environment (Diffusion, Osmosis & Transport)
Diagram
The experiment above is used to demonstrate the process of
Attached Figure / Diagram
A
transpiration
B
water culture
C
diffusion
D
osmosis
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 #21427)
Biology
WAEC / WASSCE 2009
Cell Structure, Organization & Cell Division
In plant cells the role of the membrane is played by the
A
nucleolus
B
cell wall
C
cytoplasm
D
mitochondrion
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 #21428)
Biology
WAEC / WASSCE 2009
Cell & Its Environment (Diffusion, Osmosis & Transport)
Red blood cells were found to have burst open after being placed in distilled water for an hour. This phenomenon is known as
A
plasmolysis
B
diffusion
C
haemolysis
D
wilting
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 #21429)
Biology
WAEC / WASSCE 2009
Nervous, Hormonal Coordination & Sense Organs
The curvature movement of plants in response to the stimulus of water is called
A
hydrotropism
B
geotropism
C
phototropism
D
thigmotropism
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 #21430)
Biology
WAEC / WASSCE 2009
Variety of Organisms & Classification of Living Things
The reason why hospitals use saline solutions as drip instead of water is
A
because salt is a preservative
B
to prevent contamination of the body
C
to maintain the composition of the body fluids
D
to increase the number of blood cells
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 #21441)
Biology
WAEC / WASSCE 2009
Nervous, Hormonal Coordination & Sense Organs
The part of the ear which contains nerve cells sensitive to sound vibrations is the
A
cochlea
B
ampulla
C
tympanum
D
malleus
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 #21442)
Biology
WAEC / WASSCE 2009
Variety of Organisms & Classification of Living Things
Spectacles with convex lenses correct long-sightedness by
A
converging the light rays before they enter the eye.
B
diverging the light rays before they enter the eye.
C
reducing light intensity before it enters the eye
D
increasing light intensity before it enters the eye
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 #21443)
Biology
WAEC / WASSCE 2009
Reproduction in Plants & Animals
A seed of a flowering plant can best be described as
A
radicle and plumule
B
the developed ovule
C
the embryo and endosperm
D
developed ovary
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 #21444)
Biology
WAEC / WASSCE 2009
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following processes removes carbon from the atmosphere?
A
Putrefaction
B
Photosynthesis
C
Volcanic eruption
D
Burning of fuels
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 #21445)
Biology
WAEC / WASSCE 2009
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following cycles involves the process of precipitation and transpiration?
A
Water cycle
B
Carbon cycle
C
Nitrogen cycle
D
Oxygen cycle
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 #21446)