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Biology
UTME / JAMB 2003
Nervous, Hormonal Coordination & Sense Organs
Diagram
The structure can be found in the
Attached Figure / Diagram
A
Sympathetic and parasympathetic nervous systems
B
Peripheral and central nervous system
C
Peripheral nervous system only
D
Central nervous system only
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 #7235)
Biology
UTME / JAMB 2003
Nervous, Hormonal Coordination & Sense Organs
Diagram
Solution
The point marked I is referred to as
Attached Figure / Diagram
A
myelin sheath
B
dendrites
C
axon
D
node of Ranvier
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The diagram is that of neuron and the part labelled I is the node of ranvier.
A "node of Ranvier" in a neuron is a small gap in the myelin sheath that covers the axon, where the axon membrane is exposed to the extracellular fluid, allowing for the rapid transmission of electrical impulses along the axon by facilitating the influx of sodium ions at these specific points; essentially, it's a critical point where the signal can jump between sections of myelin to travel faster.
(See diagram above)
Source: Myschool Past Questions Archive (Record #7236)
Biology
UTME / JAMB 2003
Cell Structure, Organization & Cell Division
Homologous pairs of chromosome separate during
A
Cytolysis
B
Cleavage
C
Mitosis
D
Meiosis
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 #7237)
Biology
UTME / JAMB 2003
Reproduction in Plants & Animals
An example of a caryopsis is
A
Guava
B
Maize grain
C
Coconut
D
Tomato
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 #7238)
Biology
UTME / JAMB 2003
Nervous, Hormonal Coordination & Sense Organs
Solution
The response of plants to external stimuli in a non-directional manner is known as
A
Tactic movement
B
Phototropism
C
Geotropism
D
Nastic movement
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Plant movements that are independent of the direction of the stimulus or that are caused by non-directional stimuli are called nastic movements or nasties
Source: Myschool Past Questions Archive (Record #7239)
Biology
UTME / JAMB 2003
Nervous, Hormonal Coordination & Sense Organs
The most important hormone that induces the ripening of fruit is
A
Ethylene
B
Indole acetic acid
C
Gibberallin
D
Cytokinin
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 #7240)
Biology
UTME / JAMB 2003
Population Ecology, Habitats & Conservation
A density-dependent factor that regulates the population size of organism is
A
Disease
B
Sudden flood
C
Drought
D
Fire outbreak
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 #7241)
Biology
UTME / JAMB 2003
Variety of Organisms & Classification of Living Things
One example of fossil fuels is
A
Limestone
B
Coral
C
Coal
D
Firewood
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 #7242)
Biology
UTME / JAMB 2003
Population Ecology, Habitats & Conservation
The most effective method of dealing with non-biodegradable pollutant is by
A
Dumping
B
Recycling
C
Incineration
D
Burying
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 #7243)
Biology
UTME / JAMB 2003
Basic Ecological Concepts, Ecosystems & Biomes
The correct sequence of biomes from northern to southern Nigeria is
A
Guinea savanna → sudan savanna → tropical rain forest → sahel savanna → estuarine
B
Estuarine → tropical rain forest → guinea savanna → sahel savanna
C
Sahel savanna → tropical rain forest → estuarine → guinea savanna
D
Sahel savanna → sudan savanna → guinea savanna → tropical rain forest → estuarine
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 #7269)
Biology
UTME / JAMB 2003
Variety of Organisms & Classification of Living Things
Mycorriza is an associationn between fungi and
A
protozoans
B
Roots of higher plants
C
Bacteria
D
Filamentous algae
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 #7271)
Biology
UTME / JAMB 2003
Variety of Organisms & Classification of Living Things
A limited factor in a plant population near a chemical factory is likely to be
A
Light
B
Humidity
C
wind
D
pH
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 #7273)
Biology
UTME / JAMB 2003
Variety of Organisms & Classification of Living Things
Soil fertility can best be conserved by the activities of
A
Earthworm
B
Man
C
Rodent
D
Microbes
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 #7274)
Biology
UTME / JAMB 2003
Population Ecology, Habitats & Conservation
The pioneer organisms in ecological succession are usually the
A
mosses
B
lichens
C
ferns
D
algae
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 #7275)
Biology
UTME / JAMB 2003
Variation & Genetics (Heredity)
If a DNA strand has a base sequence TCA, its complementary strand must be
A
ATG
B
TAG
C
GAT
D
AGT
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 #7277)