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Biology UTME / JAMB 1984 Nutrition in Plants & Animals (Photosynthesis & Food Substances)
Fehling's solution will readily change colour from blue to reddish colour when it is
A
mixed with sugar solution in the cold
B
warmed or heated by itself
C
mixed with reducing sugar in the cold
D
warmed or heated with complex solution
E
warmed with a solution of reducing sugar
medium Difficulty
Biology UTME / JAMB 1984 Reproduction in Plants & Animals
The presence of a diastema in the jaw bone indicates that the mammal lacks the teeth suitable for
A
tearing
B
chewing
C
cutting
D
chewing and tearing
E
cutting and grinding
medium Difficulty
Biology UTME / JAMB 1984 Transport System in Plants & Animals
Normally the flow of blood is NEVER from
A
artery to arterioles
B
arterioles to capillaries
C
capillaries to venules
D
arteerioles to the artery
E
venules to the vein
medium Difficulty
Biology UTME / JAMB 1984 Variety of Organisms & Classification of Living Things
Heat produced in tissue respiration in plants is
A
a chemical form of energy
B
the only form of energy
C
the main form of energy
D
a useful form of energy
E
a waste form of energy
medium Difficulty
Biology UTME / JAMB 1984 Supporting Tissues & Skeletal System
The axial skeleton of a mammal does not include the bones of the
A
skull
B
tail
C
limbs
D
back
E
neck
medium Difficulty
Biology UTME / JAMB 1984 Transport System in Plants & Animals
Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air
A
4, 3, 2, 1
B
4, 3, 1, 2
C
3, 1, 4, 2
D
1, 2, 3, 4
E
3, 1, 2, 4
medium Difficulty
Biology UTME / JAMB 1984 Basic Ecological Concepts, Ecosystems & Biomes
Green plants are important in the ecosystem because they are
A
primary consumers
B
producers
C
decomposers
D
secondary consumers
E
scavengers
medium Difficulty
Biology UTME / JAMB 1984 Basic Ecological Concepts, Ecosystems & Biomes
An anemometer is an instrument for measuring
A
relative humidity
B
altitude
C
wind speed
D
turbidity
E
salinity
medium Difficulty
Biology UTME / JAMB 1984 Population Ecology, Habitats & Conservation
Which of the following is NOT regarded as a pollutant on land or in the air?
A
smoke
B
noise
C
sulphur (IV) oxide
D
carbon monoxide
E
nitrogen
medium Difficulty
Biology UTME / JAMB 1984 Basic Ecological Concepts, Ecosystems & Biomes
Which of the following groups of factors is completely abiotic?
A
Salinity, tide, plankton, turbidity
B
Temperaure, pH, soil, insect
C
Wind, altitude, humidity, light
D
Conifers, wind, pH, rainfall
E
Soil, water, bacteria, salinity
medium Difficulty
Biology UTME / JAMB 1984 Growth, Micro-organisms & Public Health
Which of the following lists of diseases, their causes and transmission is CORRECT?
A
Cholera, virus, severe diarrhoea, infected water
B
Malaria, protozoan, high fever, contact with infected person
C
Syphilis, virus, veneral disease, sexual intercourse
D
small pox, virus, skin with blister, close contact with infected person
E
Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite
medium Difficulty
Biology UTME / JAMB 1984 Digestive System & Feeding Mechanisms
Erosion can be reduced along shape by
A
ridging across slope
B
ridging up slope
C
ridging down slope
D
crop rotation
E
bush fallowing system
medium Difficulty
Biology UTME / JAMB 1984 Basic Ecological Concepts, Ecosystems & Biomes
If a handful of soil is shaken with water and left to settle, the soil particles will settle from light to heavy particles as follows
A
humus, clay, silt, sand, stones
B
humus, silt, clay, sand, stones
C
humus, clay,silt, stones, sand
D
humus, sand, silt, clay, stones
E
clay, humus, silt, sand, stones
medium Difficulty
Biology UTME / JAMB 1984 Basic Ecological Concepts, Ecosystems & Biomes
Denitrifying bacteria in nature liberate gaseous nitrogen directly from
A
ammonium salts
B
soil nitrates
C
thunderstorms
D
soil nitrites
E
plant and animal proteins
medium Difficulty
Biology UTME / JAMB 1984 Population Ecology, Habitats & Conservation
Leaching is
A
Washing away of humus from the soil surface
B
reducing of soil aeration by pressure
C
soil erosion by means other than rainfall
D
loss of organic matter due to exposure to direct sunlight
E
washing out chalk and limestone from upper layers of by heavy rains
medium Difficulty
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