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Biology
UTME / JAMB 2008
Nervous, Hormonal Coordination & Sense Organs
Solution
A major adaptive feature of endoparasites is the
A
loss of the organ of movement
B
presence of claws
C
loss of the central nervous system
D
presence of piercing mouthparts
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
An endoparasite is a parasite like a tapeworm, that lives inside its host. Loss of the organ of movement is a major adaptive feature
Source: Myschool Past Questions Archive (Record #14642)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Solution
The ability of a chameleon to change its colour is an adaptive feature for
A
attraction
B
defence
C
display
D
attack
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
It is a feature for defense.
Source: Myschool Past Questions Archive (Record #14643)
Biology
UTME / JAMB 2008
Variety of Organisms & Classification of Living Things
Solution
Which of the following is the most advanced evolutionary development in plants?
A
possession of unicellular structures
B
development of flowers
C
dispersal of spores
D
development of secondary thickening
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The most evolutionary advanced plant is the angiosperm with the presence of flowers and the production of fruits to aid seed dispersal.
Source: Myschool Past Questions Archive (Record #14644)
Biology
UTME / JAMB 2008
Cell Structure, Organization & Cell Division
Solution
Which of the following is a major cause of variation among organisms?
A
Inbreeding
B
Backcrossing
C
Sexual reproduction
D
Gene dominance
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
The major cause of the evolution of organisms is sexual reproduction; during sexual reproduction, meiosis produces gametes, and during meiosis reshuffling of gametes occurs and brings variations. these variations are passed from one parent to the offspring.
Source: Myschool Past Questions Archive (Record #14645)
Biology
WAEC / WASSCE 2008
Variety of Organisms & Classification of Living Things
Solution
In the binomial system of naming organisms, the second name is called the
A
scientific name
B
common name
C
generic name
D
specific name
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The second name in the binomial system of naming organisms is the specific epithet, also known as the species name. This name is always written in lowercase and is combined with the first part, the genus name, to identify a specific species. For example, in Homo sapiens, "Homo" is the genus and "sapiens" is the specific epithet.
Source: Myschool Past Questions Archive (Record #21356)
Biology
WAEC / WASSCE 2008
Variety of Organisms & Classification of Living Things
Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?
A
Presence of cilia
B
Absence of pseudopodia
C
Presence of micro and mega nuclei
D
Presence of more than one food vacuole
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 #21358)
Biology
WAEC / WASSCE 2008
Cell Structure, Organization & Cell Division
The living materials of the cell consist of
A
nucleus and cytoplasm
B
cytoplasm and vacuole
C
cytoplasm and cell membrane
D
nucleus and cell membrane
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 #21359)
Biology
WAEC / WASSCE 2008
Supporting Tissues & Skeletal System
Which of the following parts of the skeleton does not have a protective function?
A
Ribs
B
Carpals
C
Skull
D
Pelvis
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 #21367)
Biology
WAEC / WASSCE 2008
Transport System in Plants & Animals
Solution
Carbon dioxide is carried in the plasma?
A
in combination with haemoglobin
B
in combination with antibodies
C
by capillary action
D
as bicarbonate ion.
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Bicarbonate Ion (HCO₃⁻): Approximately 70% to 85% of carbon dioxide in the blood is transported in the plasma as bicarbonate ions. This process begins inside red blood cells, where CO\(_2\) reacts with water (catalyzed by the enzyme carbonic anhydrase) to form carbonic acid, which then dissociates into bicarbonate and hydrogen ions. The bicarbonate then diffuses out of the red blood cell and into the plasma.
Source: Myschool Past Questions Archive (Record #21368)
Biology
WAEC / WASSCE 2008
Respiration & Gaseous Exchange
Solution
In the adult frog gaseous exchange takes place in the
A
buccal cavity, skin and lungs
B
buccal cavity, skin and spiracles
C
gills, skin and buccal cavity
D
tympanic membrane, lungs and gills
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The frog uses the buccal cavity (mouth-throat) to pump air into the lungs. The floor of the mouth is lowered, drawing air in through the nostrils, and then raised, forcing air into the lungs. Frogs can also breathe through their skin, which is thin and moist, allowing for efficient gas exchange.
Source: Myschool Past Questions Archive (Record #21369)
Biology
WAEC / WASSCE 2008
Cell & Its Environment (Diffusion, Osmosis & Transport)
The process of regulating the amount of water and solutes in the body fluids is called
A
osmosis
B
diffusion
C
osmoregulation
D
homeostasis
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 #21370)
Biology
WAEC / WASSCE 2008
Digestive System & Feeding Mechanisms
The presence of glucose in the urine of a patent is an indication of malfunctioning of the
A
pancreas
B
gall bladder
C
liver
D
spleen
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 #21371)
Biology
WAEC / WASSCE 2008
Nervous, Hormonal Coordination & Sense Organs
Which of the following statements is not true about hormones?
A
Hormones are manufactured in ductless glands and poured straight into the blood stream
B
Hormones are carried by the blood plasma to the required Target organs
C
Hormonal responses are usually instant and electrical
D
Once the effects of hormones are over, they are inactivated and excreted from the body
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 #21372)
Biology
WAEC / WASSCE 2008
Nervous, Hormonal Coordination & Sense Organs
Which of the following actions is note function of adrenaline? It increases
A
body blood sugar by conversion of liver glycogen into glucose
B
muscular power and resistance to fatigue
C
the rate of heat
D
the dilation of the pupils of the eye
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 #21373)
Biology
WAEC / WASSCE 2008
Nervous, Hormonal Coordination & Sense Organs
Plant hormones include the following except
A
insulin
B
auxin
C
cytokinin
D
gibberellin
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 #21374)