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Biology WAEC / WASSCE 2003 Nutrition in Plants & Animals (Photosynthesis & Food Substances)
The type of nutrition shown by Spirogyra is
A
symbiosis
B
holophytic
C
holozoic
D
chemosynthetic
medium Difficulty
Biology WAEC / WASSCE 2003 Basic Ecological Concepts, Ecosystems & Biomes
Ecology is best defined as the study of
A
the characteristics of an environment
B
the inter-relationship between living organisms and their environment
C
living organisms in a particular area
D
the habitats and wildlife
medium Difficulty
Biology WAEC / WASSCE 2003 Basic Ecological Concepts, Ecosystems & Biomes
Which of the following values showing the total biomass of organisms in a food chain represents the secondary consumer?
A
40,000
B
3,000
C
20
D
1
medium Difficulty
Biology WAEC / WASSCE 2003 Basic Ecological Concepts, Ecosystems & Biomes
Which of the following environmental factors is not considered in a terrestial habitat?
A
Temperature
B
Sunlight
C
Humidity
D
Turbidity
medium Difficulty
Biology WAEC / WASSCE 2003 Variety of Organisms & Classification of Living Things
The gas produced during decomposition of matter is
A
hydrogen sulphide
B
carbon monoxide
C
chlorine
D
oxygen
medium Difficulty
Biology WAEC / WASSCE 2003 Adaptation & Evolution
Fish cannot survive on land because it has
A
a body covered with scales
B
a streamlined body
C
no lungs
D
no walking appendages
medium Difficulty
Biology WAEC / WASSCE 2003 Population Ecology, Habitats & Conservation
Pneumatophores are essential for
A
nutrition
B
movement
C
breathing
D
growth
medium Difficulty
Biology WAEC / WASSCE 2003 Population Ecology, Habitats & Conservation
Which of the following will have the least effect on the rate of change of the numbers in a population?
A
food supply
B
mutation
C
predation
D
disease
medium Difficulty
Biology WAEC / WASSCE 2003 Adaptation & Evolution
Competition among individuals of a population increases the
A
number of organisms
B
survival of the fittest
C
availability of nutrient supplied
D
enlargement of the territory
medium Difficulty
Biology WAEC / WASSCE 2003 Respiration & Gaseous Exchange
Rabbits cannot survive in an aquatic because they have
A
fore-and hind-limbs
B
no gills
C
no fins
D
no scales
medium Difficulty
Biology WAEC / WASSCE 2003 Growth, Micro-organisms & Public Health
Viruses are pathogens of the following diseases except
A
measles
B
smallpox
C
poliomyelitis
D
tuberculosis
medium Difficulty
Biology WAEC / WASSCE 2003 Variety of Organisms & Classification of Living Things
Renewable resources are formed by
A
animals that reproduce sexually
B
organisms confined to forest reserves
C
organisms that are constantly regenerating themselves
D
plants and animals that can reproduce sexually
medium Difficulty
Biology WAEC / WASSCE 2003 Population Ecology, Habitats & Conservation
Forest conservation includes the following except
A
prevention of bush-fires
B
extensive felling of forest trees
C
replacing of harvested trees by planting seedlings
D
selective exploitation of forest trees
medium Difficulty
Biology WAEC / WASSCE 2003 Basic Ecological Concepts, Ecosystems & Biomes
Legumes incorporate nitrogen gas into their proteins because
A
of the presence of Azotobacter in their roots
B
they possess root nodules containing Rhizobium
C
they have a well developed root system
D
they are autotrophic
medium Difficulty
Biology WAEC / WASSCE 2003 Variation & Genetics (Heredity)
Which of the following is an example of discontinuous variation?
A
the range in height of a pea plant from 30cm to 50cm
B
Offspring, including the two male cats and three female cats
C
the colour of pear plants grown in the dark
D
the adult body weight ranging from 50 kg t0 95 kg
medium Difficulty
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