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Biology
UTME / JAMB 1982
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Solution
Kwashiorkor is caused by severe deficiency of
A
Water
B
Oil
C
Drugs
D
Proteins
E
Sugars
medium Difficulty
Verified Correct Answer: Option D
Biological Concept & Syllabus Guide
Kwashiokor is a nutritional disorder most often seen in regions experiencing famine. It is a form of malnutrition caused by a lack of protein in the diet.
Source: Myschool Past Questions Archive (Record #1915)
Biology
UTME / JAMB 1982
Adaptation & Evolution
Solution
An homoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?
A
Radiation
B
Sweat
C
Evaporation
D
Conduction
E
Convection
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
When the room temperature is lower than the body temperature of a homeothermic (warm-blooded) animal, it may lose heat through various mechanisms:
A. Radiation: Heat loss through infrared radiation.
D. Conduction: Heat loss through direct contact with a cooler surface.
E. Convection: Heat loss through the movement of air or water.
Sweating (B) is a mechanism to cool down when the body temperature is high, not when the environment is cooler than the body. However, evaporation (C) can still occur, even if the animal is not sweating, as moisture on the skin or respiratory surfaces can evaporate, taking heat away from the body.
So, while evaporation is a valid mechanism for heat loss, sweating itself is not typically a primary mechanism for heat loss in a cooler environment.
Source: Myschool Past Questions Archive (Record #1916)
Biology
UTME / JAMB 1982
Basic Ecological Concepts, Ecosystems & Biomes
Solution
Which of these food chains is NOT possible in a forest?
A
Diatom → fly → toad → snake
B
Fly → toad → snake→ hawk
C
Leaves → antelope → man → lion
D
Leaves → caterpillar → bird → lion
E
Leaves →goat → man→ lion
medium Difficulty
Verified Correct Answer: Option A
Biological Concept & Syllabus Guide
Diatoms are an important source of these energy rich molecules that are food for the entire food web, from zooplankton to aquatic insects to fish to whales. They are type of phytoplankton that are typically found in aquatic environments such as ponds, lakes, or oceans. They are not typically found in forests, making this food chain unlikely to occur in the forest ecosystem.
Source: Myschool Past Questions Archive (Record #1917)
Biology
UTME / JAMB 1982
Variation & Genetics (Heredity)
Solution
If a tall man (TT) marries a dwarf woman (gg) and they have four male children, the offspring will be?
A
All short
B
Three short and one tall
C
Two short and two tall
D
One short and three tall
E
All tall
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
In complete dominance, the dominant allele(TT) completely covers up the recessive one(gg). The recessive allele isn't expressed at all in their physical appearance.
Source: Myschool Past Questions Archive (Record #1918)
Biology
UTME / JAMB 1982
Variation & Genetics (Heredity)
Solution
A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?
A
The woman is incapable of producing male children
B
The man’s sperms are very weak
C
The man is not athletic enough
D
The Y component of the men’s sex chromosomes was always involved
E
The X component of the man’s sex chromosomes was always involved
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
The sperm carries either an X or Y chromosome, and the egg always carries an X. If the sperm carrying an X chromosome fertilizes the egg, the child will be XX, female. If the sperm carrying a Y chromosome fertilizes the egg, the child will be XY, male. Therefore there is most likely that the X component of the man’s sex chromosomes was always involved during the fertilization process.
Source: Myschool Past Questions Archive (Record #1919)
Biology
UTME / JAMB 1982
Variety of Organisms & Classification of Living Things
Solution
If a 26 year old blind man married a young one-eyed woman and they had four children, how many of them would be blind like their father?
A
All
B
3
C
2
D
1
E
none
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
Blindness is not necessarily a genetic trait that is passed down from parents to offspring. The fact that the father is blind and the mother is one-eyed does not guarantee that any of the children will be blind.
Source: Myschool Past Questions Archive (Record #1920)
Biology
UTME / JAMB 1982
Respiration & Gaseous Exchange
Solution
The glottis is the opening which leads to the
A
Oesophagus
B
Larynx
C
Nostrils
D
Pharynx
E
Mouth
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The glottis is the area between the vocal cords, which connect the airways in your throat to your lungs. The epiglottis covers the entrance to the larynx to prevent food particles from entering the larynx and trachea when food is swallowed into the oesophagus, therefore glottis is the opening that leads to the LARYNX.
Source: Myschool Past Questions Archive (Record #1921)
Biology
UTME / JAMB 1982
Nutrition in Plants & Animals (Photosynthesis & Food Substances)
A tapeworm has no alimentary canal because
A
It is autotrophic
B
It does not feed
C
It has no enzymes
D
Its body absorbs digested food
E
The suckers on the scolex suck blood
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 #1922)
Biology
UTME / JAMB 1982
Respiration & Gaseous Exchange
Solution
A grass hopper respires by the means of its
A
Lung-books
B
Gills
C
Lungs
D
Antennae
E
Tracheal tubes
medium Difficulty
Verified Correct Answer: Option E
Biological Concept & Syllabus Guide
Grasshoppers, like other insects, do not have lungs. They have a simple gas exchange system that uses long tubes called tracheae to deliver oxygen to each cell in the body. Spiracles are holes on the grasshopper's body that connect to the tracheal system.
Source: Myschool Past Questions Archive (Record #1923)
Biology
UTME / JAMB 1982
Reproduction in Plants & Animals
An onion bulb stores its food in the
A
Stem
B
Leaves
C
Roots
D
Cotyledon
E
Branches
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 #1924)
Biology
UTME / JAMB 1982
Variety of Organisms & Classification of Living Things
Roots of plants are normally
A
Positively phototropic
B
Negatively geotropic
C
Negatively hydrotropic
D
Positively hydrotropic
E
Negatively chemotropic
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 #1925)
Biology
UTME / JAMB 1982
Variety of Organisms & Classification of Living Things
The main function of the swim-bladder is for
A
Swimming
B
Detecting sound
C
Buoyancy
D
Breathing
E
Reproduction
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 #1926)
Biology
UTME / JAMB 1982
Variety of Organisms & Classification of Living Things
Which of the following pairs are the products of sucrose hydrolysis?
A
Glucose + glucose
B
Fructose + fructose
C
Glucose + fructose
D
Galactose + glucose
E
Fructose + galactose
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 #1927)
Biology
UTME / JAMB 1982
Supporting Tissues & Skeletal System
Solution
Which of the vertebra has a projection called odontoid process?
A
Atlas
B
Axis
C
Thoracic
D
Lumber
E
Caudal
medium Difficulty
Verified Correct Answer: Option B
Biological Concept & Syllabus Guide
The AXIS has a large centrum which projects forward as the odontoid process.
Source: Myschool Past Questions Archive (Record #1928)
Biology
UTME / JAMB 1982
Growth, Micro-organisms & Public Health
Refrigeration, as a method of preservation, has ONE of the following characteristics:
A
Kills all the bacteria
B
Kill most of the bacteria
C
Makes the bacteria inactive
D
Dries food
E
Hydrolyses food
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 #1929)