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Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
Diagram
The part labelled III is for
Attached Figure / Diagram
A
protection
B
insulation
C
lubrication
D
growth
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 #6111)
Biology
UTME / JAMB 1999
Growth, Micro-organisms & Public Health
The construction of dams may lead to an increase in the prevalence of
A
typhoid fever, measles and yellow fever
B
tuberculosis, leprosy and trypanosomiasis
C
guinea worm, malaria and tuberculosis
D
malaria, bilharziasis and onchocerciasis
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 #6117)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
Floating microscopic heterotrophs are mostly grouped as
A
phytoplankton
B
zooplankton
C
microbes
D
nekton
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 #6118)
Biology
UTME / JAMB 1999
Growth, Micro-organisms & Public Health
Vaccination is carried out in order to
A
check the production of poison
B
increase the activity of white blood cells
C
increase the number of red blood cells
D
stimulate the production of antibodies
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 #6119)
Biology
UTME / JAMB 1999
Basic Ecological Concepts, Ecosystems & Biomes
A soil consisting of alumina and iron (II)oxide is known as
A
loamy soil
B
clayey soil
C
laterite
D
podzol
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 #6120)
Biology
UTME / JAMB 1999
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as
A
predation
B
commensalism
C
parasitism
D
competition
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Commensalism refers to a relationship where one organism benefits from another organism without harming or benefiting the latter; a classic example is the relationship between remora fish and sharks, where the remora attaches itself to the shark and eats scraps of food left behind by the shark while the shark is not significantly affected by the remora's presence.
Source: Myschool Past Questions Archive (Record #6121)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
Which of the following characterizes the white mangrove?
A
Prop roots
B
Buttress roots
C
Breathing roots
D
Stilt roots
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 #6124)
Biology
UTME / JAMB 1999
Variation & Genetics (Heredity)
Solution
If the offspring of a cross between a brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result?
A
2
B
3
C
4
D
5
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Cross between bb and BB → Bb Bb Bb Bb
Bb genotype fills the first filal generation
Bb * Bb → BB, Bb, Bb, bb (second filal generatio)
The 3 genotypes (BB, Bb and bb) are formed
Source: Myschool Past Questions Archive (Record #6125)
Biology
UTME / JAMB 1999
Variation & Genetics (Heredity)
The biological factor that is unique to each individual is the
A
DNA
B
eye colour
C
blood group
D
RNA
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 #6126)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
From evolutionary standpoint , the older a fossil-bearing rocks is, the more likely it is to contain
A
aves as opposed to amphibians
B
invertebrates as opposed to vertebrates
C
angiosperms as opposed to algae
D
vertebrates as opposed to invertebrates
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 #6127)
Biology
UTME / JAMB 1999
Variety of Organisms & Classification of Living Things
The very bright colours in some types of mushroom
A
are warning that they may be poisonous
B
indicate they are very taste
C
attract potential transporters of the spores
D
perform the same function as bright colours in flowers
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 #6128)
Biology
UTME / JAMB 1999
Transport System in Plants & Animals
Diagram
The structure labelled II is known as
Attached Figure / Diagram
A
sweat gland
B
lymph vessel
C
blood vessel
D
nerve ending
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 #6112)
Biology
UTME / JAMB 1999
Nervous, Hormonal Coordination & Sense Organs
In mammals, the organ which performs digestive and endocrine functions is the
A
liver
B
pancreas
C
gastric gland
D
salivary gland
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 #6113)
Biology
UTME / JAMB 1999
Supporting Tissues & Skeletal System
Solution
Th chitin in the exoskeleton of many arthropods is strengthened by
A
calcium compounds
B
organic salts
C
lipids
D
proteins
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
The exoskeleton will have thickened areas in which the chitin is reinforced or stiffened by materials such as minerals or hardened proteins.
Source: Myschool Past Questions Archive (Record #6114)
Biology
UTME / JAMB 1999
Supporting Tissues & Skeletal System
Diagram
Solution
The structure labelled II articulates with III to form
Attached Figure / Diagram
A
sliding joint
B
hinge joint
C
pivot joint
D
ball-and-socket joint
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The structure labeled II articulates with III to form HINGE JOINT.
Hinge joints are those that allow movement along one plane. They facilitate bending and straightening actions, such as flexing a finger.
In a hinge joint, protective cartilage covers the bones, and a thick gel called synovial fluid lubricates them, allowing them to move without rubbing against one another,
The following body parts are hinge joints: elbow, knee, finger joints, toe joints, and ankles.
Source: Myschool Past Questions Archive (Record #6115)