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Question-1
The major benefit of the greater Yellowstone Ecosystem Management Plan is:
(A)
Creation of large regions of wilderness for animals such as bison and grizzly
(B)
The increase of cattle grazing on park land
(C)
The increase of mining and old-growth logging on park land
(D)
All of the above
Question-2
Vital index is:
(A)
Birth rate divided by death rate x 100
(B)
Birth rate divided by death rate
(C)
Death rate divided by birth rate
(D)
Death rate divided birth rate x 100
Question-3
Growth rate is:
(A)
The change in the number of organisms
(B)
The average rate of change in the number of organisms per time
(C)
The average rate of change in the number of organisms per time per organisms
(D)
Growth rate multiplied by hundred
Question-4
Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
(A)
Nitrogen cycle
(B)
Carbon cycle
(C)
Sulphur cycle
(D)
Phosphorus cycle
Question-5
Which of the species listed is most shade-tolerant?
(A)
Weeds
(B)
Pin cherry
(C)
White pine
(D)
Sugar maple
Question-6
Late successional plants:
(A)
Are shade intolerant
(B)
Require soil rich in all nutrients
(C)
Are called "climax species"
(D)
Grow rapidly
Question-7
Which species is the most tolerant of harsh environmental conditions?
(A)
Weeds
(B)
White pine
(C)
Sugar maple
(D)
Beech
Question-8
The upright pyramid of number is absent in:
(A)
Lake
(B)
Grassland
(C)
Pond
(D)
Forest
Question-9
Regular dispersion is:
(A)
Individuals are more or less spaced at equal distance from one another
(B)
Individuals aggregated into patches interspersed with no or few individuals
(C)
The position of one individual is unrelated with the position of its neighbours
(D)
Spatial pattern of individuals in a population relative to one another
Question-10
The Earth summit was:
(A)
The first worldwide meeting dealing with environmental concerns
(B)
Formerly known as the UNCED
(C)
Held in Rio de Janeiro in 1992
(D)
All of these are correct
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
The Interdependence of Living Organisms
Feeding
Keeping Healthy
Transport in Plants
Classification
Cells and Tissues
Movement in and out of Cells
Personal Health
Animal Nutrition
Reproduction
Sensitivity
Cells the Building Blocks
Genetics
The Skeleton, Muscles and Movement
A Sexual Reproduction and Cloning Plants
The Senses
Survival
Co-ordination
Energy for Respiration
The Chemicals of Living Cells
How Substances Get In and Out of Cells
Plants for Food
Photosynthesis and Nutrition in Plants
Plant Structure and Function
Food and Diet
The Human Impact on the Environment
Digestion, Absorption and Use of Food
The Blood Circulatory System
Breathing
Excretion and the Kidneys
Human Reproduction
Classification
Conservation
Micro Organisms
Reproduction in Flowering Plants
Movement and Locomotion
Growth and Development
Disease: causes, transmission and control
Ecosystems
Population
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