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Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
The male cockroach differs from the female by having
A
mandibles
B
a pair of style
C
spiracles
D
a pair of cerci
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 #3368)
Biology
UTME / JAMB 1986
Supporting Tissues & Skeletal System
The fins making up the limbs of the bony fish are
A
caudal and ventral
B
ventra and pelvic
C
pelvic and pectoral
D
pectoral and dorsal
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 #3371)
Biology
UTME / JAMB 1986
Supporting Tissues & Skeletal System
The stem differs from the root in having the xylem and phloem strands
A
on the same radii
B
scattered
C
on alternate radii
D
towards the pith
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 #3373)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Oxygen liberated during photosynthesis has been demonstrated to come from
A
carbondioxide
B
air
C
water
D
chlorophyll
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 #3386)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Which of these is a trace element?
A
Iron
B
Copper
C
Calcium
D
Sulphur
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 #3389)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The main organic substances found in the human body are
A
carbohydrates, proteins and salts
B
salts, fats and proteins
C
fat, carbohydrates and protein
D
salts, fats and carbohydrates
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 #3392)
Biology
UTME / JAMB 1986
Transport System in Plants & Animals
Which of the following elements is essential for the formation of haemoglobin?
A
Sodium
B
Potassium
C
Calcium
D
Iron
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 #3394)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The severe deficiency of vitamin C leads to
A
Kwashiokor
B
beriberi
C
pellagra
D
scurvy
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 #3397)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
In addition to the high calories derived from fats and oils, they are
A
used in producing new cells
B
necessary for enzyme formation
C
used as insulators for cold
D
required for growth
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 #3399)
Biology
UTME / JAMB 1986
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if
A
fats are presents
B
carbohydrate is present
C
protein is present
D
reducing sugar is presents
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 #3402)
Biology
UTME / JAMB 1986
Digestive System & Feeding Mechanisms
The three important organs that are situated close to the stomach are
A
Kidney, liver and gall bladder
B
pancreas, liver and kidney
C
liver, kidney and spleen
D
gall bladder, pancreas and spleen
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 #3403)
Biology
UTME / JAMB 1986
Digestive System & Feeding Mechanisms
Solution
Evidence that a tooth is a living part of the mammalian can be found within the
A
gum
B
pulp cavity
C
cement
D
enarmel
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The pulp is the part in the center of a tooth made up of living connective tissue and cells called odontoblasts.
Source: Myschool Past Questions Archive (Record #3405)
Biology
UTME / JAMB 1986
Transport System in Plants & Animals
Blood circulation in a mammalian is said to be double because
A
it passes twice through the heart in a complete circuit
B
it moves in both arteries and veins
C
it circulates in both the heart and other organs
D
the heart contain auricles and ventricles
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 #3406)
Biology
UTME / JAMB 1986
Transport System in Plants & Animals
Solution
Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata
A
3 → 2 → 1 → 4
B
2 → 3 → 1 → 4
C
2 → 1 → 3 → 4
D
1 → 2 → 3 → 4
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Water loss from a leaf, or transpiration, starts within the mesophyll cells where evaporation occurs, and then moves out through the stomata. However, the veins (xylem) are involved in transporting water to the mesophyll, but the initial evaporation happens in the mesophyll.
Here's the correct order:
2. Veins: The water vapour is transported through the veins (xylem) to the rest of the leaf, including the mesophyll cells.
1. Mesophyll: Water evaporates from the mesophyll cells.
3. Substomatal cavity: The water vapour then enters the substomatal cavity from the mesophyll.
4. Stomata: Finally, the water vapour exits the leaf through the stomata.
So, the correct order is indeed C. 2-1-3-4.
Source: Myschool Past Questions Archive (Record #3409)
Biology
UTME / JAMB 1986
Variety of Organisms & Classification of Living Things
The aperture between the left auricle and the left ventricle is guarded by the
A
auricles valve
B
tricupid valve
C
ventricles valve
D
bicuspid valve
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 #3411)