Master all past questions related to Environmental interaction.
28 questions across all exams
An ecosystem has all the following characteristics except that it is
integrative
structured
a component
a system
All the following are important in the environmental balance except the
hydrological cycles
nitrogen cycle
food chain
oxygen cycle
Interdependence within the ecosystem can best be interpreted to mean that components of the ecosystem
prey on one another
harm one another
regulate one another
interact with one another
The concept of environmental balance can be taken to mean that an alteration in one of the components of the ecosystem may likely result in the
minimisation of the processes within the system
reversal of the processes within the system
acceleration of the processes within the system
stabilization of the processes within the system
The successive consumption of one organism by another within the ecosystem is called
an energy level
a food chan
a trophic level
the survival of the fittest
The relationship between the components of the ecosystem can best be described as
inter-dependent
multi-dimensional
saprophytic
parasitic
An environmental balance is best maintained where
the fauna is undisturbed
re-afforestation efforts are encouraged
there is much pressure on the land
man’s influence is almost absent
Which of the following forms of pollution is the least harzardous to man?
Toxic waste disposed in rivers
The use of chemicals for fishing
Flaring of gas from refineries
A sound of 50 decibels in the air
Carnivores are important in the food chain because they
depend on sunlight for energy
feed on both plants and animals
feed on animals only
feed on plants only
A state of inter-dependence within the ecosystem is best achieved where the components
compete with each other
are undisturbed
are controlled
are independent
A disaster caused by nature or rman which poses a serious danger to lives and properties of the people is called environmental
intervention
hazard
interaction
change
Environmental balance includes all the following except
hydrological cycle
carbon cycle
food chain and food web
earthquake cycle
The most critical element in an ecosystem is the
growth per day
energy flow within the system
number of organisms in the system
location of the systern
The relationship between organisms in the ecosystem implies that the components
are Interdependent
share common ideas
give birth to one another
are enemies
The green plants which serve as producer to other organisms in the ecosystem are called
autotrophs
heterotrophs
decomposers
biota
A study of the ecosystem will show the inter-relationship between
vegetation and soils
man and the environment
climate and vegetation
climate and man
The relationship between the elements of the ecosystem is best described as
multi-directional
uni-directional
interdependent
The feeding relationship above shows a
symbiotic relationship
parasitic relationship
. food chain
food web
Which of the following Is a primary producer?
Snake
Lizard
Grass
Grasshopper
The relationship between the elements of an ecosystem is best described as
symbiotic
multidirectional
The study of the continuous interaction between living things and their environments is known as
Ecology
Energy cycle
Biology
Geology
Nature mostly intervenes in the state of balance in land ecosystem through
Earth’s revolution
Climatic change
Earth equilibrium
Earth rotation
Which of the following shows the correct sequence in food chain?
Herbivores → carnivores → decomposer → plants
Carnivores → decomposers → herbivores → plants
Plants → herbivores → carnivores → decomposers →
Decomposers → herbivores → plants → carnivores
Which of the followiing does not intervene in the natural environment?
Construction works
Pollution
Harmattan
Land reclamation
The dynamic and interdependent complex interaction of soil, climate and vegetation with its animal population is called
ecosystem
Which of the following combinations can be regarded as sub-systems within the ecosystem?
Food chain, hydrological cycle, mineral nutrient cycle
Hydrological cycle, mineral nutrient cycle, environmental controls
Mineral nutrient cycle, hydrological cycle, ecosystem controls
Ecosystem controls, food chain, hydrological cycle
Which ofthe following is not associated with human intervention?
Mining
Construction
Rainfall
Urbanization
Man has interferred with the ecosystem through. I. farming II. modification of weather and climate III. overgrazing
I only
II only
II and III only
I, II and III
