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Biology
UTME / JAMB 1998
Supporting Tissues & Skeletal System
Which of the following structures is capable of producing more tissues in the stem of a herbaceous flowering plant?
A
Epidermis
B
Pericycle
C
Xylem
D
Cambium
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 #5813)
Biology
UTME / JAMB 1998
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The manufacture of carbohydrates by plants takes place only in
A
the leaves
B
the green stems
C
chlorophyllous parts
D
flowering plants
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 #5814)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
In a water culture experiment, a plant showed poor growth and yellowing of the leaves. These may be due to deficiency in
A
copper
B
iron
C
magnesium
D
calcium
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 #5815)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
In snails, the hard calcareous shells are secreted by the
A
radula
B
ctenidium
C
pneumostome
D
mantle
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 #5803)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
Diagram
The structure labelled I is formed as a result of the fusion of
Attached Figure / Diagram
A
two pairs of nuclei
B
several pairs of nuclei
C
a pair of nuclei
D
two pairs of nucleoli
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 #5805)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
Diagram
Solution
The special name of the part labelled II is
Attached Figure / Diagram
A
gametangium
B
hypha
C
suspensor
D
zygospore
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
In fungi, suspensors are filamentous structural formations having the function of holding a zygospore between two strains of hyphae
Source: Myschool Past Questions Archive (Record #5806)
Biology
UTME / JAMB 1998
Variety of Organisms & Classification of Living Things
The ability of the cockroach to live in cracks and crevices is enhanced by the possession of
A
wings and segmented body
B
compound eyes
C
claws on the leg
D
dorso-ventrally flattened 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 #5808)
Biology
UTME / JAMB 1998
Adaptation & Evolution
The caste of termites that lacks pigmentation is the
A
King
B
worker
C
soldier
D
queen
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 #5809)
Biology
UTME / JAMB 1998
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns
A
blue on heating
B
yellow on heating
C
green on heating
D
red on heating
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 #5816)
Biology
UTME / JAMB 1998
Nervous, Hormonal Coordination & Sense Organs
Solution
Regulation of blood sugar level takes place in the
A
pancreas
B
iluem
C
liver
D
kidney
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
The pancreas produces the hormone insulin and secretes it into the bloodstream, where it regulates the body's glucose or sugar level. The islets of Langerhans are responsible for regulating blood glucose. They are groups of specialized cells in the pancreas that make and secrete hormones.
Source: Myschool Past Questions Archive (Record #5817)
Biology
UTME / JAMB 1998
Cell & Its Environment (Diffusion, Osmosis & Transport)
Unicellular organisms transport essential nutrients directly to all parts of their bodies by the process of diffusion because, they have
A
a large volume of surface area ratio
B
a large surface area to volume ratio
C
their bodies immersed in the nutrients
D
their outer membrane made of cellulose
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 #5823)
Biology
UTME / JAMB 1998
Transport System in Plants & Animals
Solution
The heart of the adult frog consist of
A
two auricles and two ventricles
B
one auricle and one ventricle
C
two ventricle and one auricle
D
one ventricle and two auricles
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
A frog has two auricles and one ventricle in its heart; meaning it has a three-chambered heart in total. Auricles are the upper chambers of the heart, while the ventricle is the lower chamber. Since frogs are amphibians, their hearts typically have two atria and one ventricle.
In summary, a frog's heart:
Three chambers: Two auricles and one ventricle
Incomplete double circulation: Due to the single ventricle, oxygenated and deoxygenated blood can mix slightly
Amphibian characteristic: All amphibians have a three-chambered heart
Source: Myschool Past Questions Archive (Record #5825)
Biology
UTME / JAMB 1998
Transport System in Plants & Animals
In adult mammalian blood, the cells which lack nuclei are the
A
erythrocytes
B
lymphocytes
C
leucocytes
D
phagocytes
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 #5826)
Biology
UTME / JAMB 1998
Basic Ecological Concepts, Ecosystems & Biomes
Which of the following is the direct consequence of transferring energy from one trophic level to another?
A
An increase in biomass
B
A decrease in the efficiency
C
An increase in the total numbers of resulting individuals
D
A decrease in the resulting biomass
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 #6017)
Biology
UTME / JAMB 1998
Growth, Micro-organisms & Public Health
The condition that encourages denitrification is
A
low soil oxygen
B
high soil nitrogen
C
absence of soil bacteria
D
lightening and thunderstrom
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 #6018)