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Biology
UTME / JAMB 1979
Digestive System & Feeding Mechanisms
Solution
Which of these is not an enzyme?
A
Pepsin
B
Gastrin
C
Amylase
D
Chymotrypsin
E
Trypsin
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
Gastrin is a hormone that is produced by 'G' cells in the lining of the stomach and upper small intestine, and released into the blood circulation.
Source: Myschool Past Questions Archive (Record #388)
Biology
UTME / JAMB 1979
Supporting Tissues & Skeletal System
The region of cell division in a root is
A
Root cap
B
Endodermis
C
Xylem
D
Piliferous layer
E
Meristem
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #389)
Biology
UTME / JAMB 1979
Reproduction in Plants & Animals
Solution
Which of these statement below is not a characteristic of wind pollinated flower?
A
Stigmas are usually large and feathery
B
Nectar is usually absent
C
The pollen grains have rough spiny surfaces
D
The flowers are not scented
E
The pollen is light and smooth
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Pollen grains with rough, spiny surfaces are not a characteristic of wind-pollinated flowers. In fact, wind-pollinated flowers typically have smooth, light pollen grains to facilitate easy dispersal by the wind. Rough or spiny pollen would be less effective in wind pollination, as it would not disperse as well.
Source: Myschool Past Questions Archive (Record #390)
Biology
UTME / JAMB 1979
Excretion & Homeostasis
Solution
Which of the following is not an excretory organ in animals?
A
Lungs
B
Kidney
C
Leaf
D
Large intestine
E
Skin
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.
Source: Myschool Past Questions Archive (Record #391)
Biology
UTME / JAMB 1979
Supporting Tissues & Skeletal System
Solution
When the ciliary muscles of the eye contract, the eye lens
A
Bulge
B
Contracts
C
Rotates
D
Flattens
E
Is rounded
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
When the ciliary muscles contract, the eye lens becomes more spherical (rounder) and gains more focusing power, allowing the eye to focus on near objects. This happens because the contraction releases the tension on the suspensory ligaments (also called zonular fibers), which normally pull the lens flatter.
Source: Myschool Past Questions Archive (Record #392)
Biology
UTME / JAMB 1979
Growth, Micro-organisms & Public Health
Solution
Which of these diseases cannot be controlled by killing the vector?
A
River blindness
B
Malaria
C
Polio
D
Cholera
E
Bilharzia (shistosoma)
medium Difficulty
Verified Correct Answer: Option C
Biological Concept & Syllabus Guide
Polio can't be controlled by simply killing the vector because the polio virus primarily spreads through human waste, not through vectors like mosquitoes or other insects. The virus is transmitted directly from person to person via the fecal-oral route, or less commonly through contaminated water or food. Therefore, vector control measures are not effective in preventing polio transmission.
Source: Myschool Past Questions Archive (Record #393)
Biology
UTME / JAMB 1979
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
In which of these association is much harm done to one of the partners?
A
Symbiosis
B
Epiphytism
C
Commensalism
D
Parasitism
E
Mutualism
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 #394)
Biology
UTME / JAMB 1979
Nervous, Hormonal Coordination & Sense Organs
Solution
The part of the mammalian brain responsible for maintaining balance is
A
Medulla oblongata
B
Cerebellum
C
Optic lobe
D
Cerebrum
E
Olfactory lobe
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The cerebellum is located at the back of the skull. It acts as the primary coordinator for voluntary muscle movements, posture, body equilibrium, and balance. It integrates sensory inputs from the inner ear, eyes, and muscles to fine-tune physical stability.
Source: Myschool Past Questions Archive (Record #395)
Biology
UTME / JAMB 1979
Variety of Organisms & Classification of Living Things
Which of the following statements is not true of paramecium?
A
It is slipper-shaped
B
The anterior end is blunt
C
The gullet is lined with cilia
D
It has an anal pore
E
Its vacuole is stationary
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
No expanded working has been attached for this question yet. The verified answer is Option E.
Source: Myschool Past Questions Archive (Record #396)
Biology
UTME / JAMB 1979
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was
A
Glucose
B
Maltose
C
Fructose
D
Sucrose
E
Lactose
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 #397)
Biology
UTME / JAMB 1979
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Alkaline pyrogallol was used in an experiment. That experiment must have been connected with
A
Excretion
B
Germination
C
Transpiration
D
Digestion
E
Photosynthesis
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
Alkaline pyrogallol absorbs water and oxygen. So it is used in photosynthesis to test for the importance of water as one of the materials necessary for photosynthesis to take place.
Source: Myschool Past Questions Archive (Record #398)
Biology
UTME / JAMB 1979
Reproduction in Plants & Animals
The plumule is best described as?
A
Part of the cotyledon
B
Part of the endosperm
C
A miniature shoot
D
Structure near the micropyle
E
Structure opposite the hilum
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 #399)
Biology
UTME / JAMB 1979
Reproduction in Plants & Animals
The dry indehiscent, winged fruit formed from one one carpel is known as
A
Schizocarp
B
Caryopsis
C
Samara
D
Nut
E
Follicle
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 #400)
Biology
UTME / JAMB 1979
Basic Ecological Concepts, Ecosystems & Biomes
Which of these is not a type of soil?
A
Sand
B
Granite
C
Loam
D
Clay
E
Sandy loam
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 #401)
Biology
UTME / JAMB 1979
Population Ecology, Habitats & Conservation
The farmer cannot check soil erosion effectively by
A
Constructing is ridges of planting across the slope
B
Cultivating cover crops
C
Practising strip farming
D
Clearing the land of vegetation
E
Constructing terraces
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 #402)