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Question-1
Which dispersion pattern is most common in nature?
(A)
Randomly spaced
(B)
Uniformly spaced
(C)
Clumped
(D)
All are equally common
Question-2
What type of effect has an increasing impact as the population size increases?
(A)
Density - independent effect
(B)
Cohort effect
(C)
Survivor ship effect
(D)
Density - dependent effect
Question-3
An ecosystem is:
(A)
The transition zone between grassland and desert
(B)
A group of interactive species and their environment
(C)
A body of freshwater
(D)
The lowland area on either side of a river
Question-4
The upright pyramid of number is absent in:
(A)
Lake
(B)
Grassland
(C)
Pond
(D)
Forest
Question-5
Which one of the following is NOT a functional unit of an ecosystem?
(A)
Productivity
(B)
Stratification
(C)
Energy flow
(D)
Decomposition
Question-6
The Millennium Ecosystem Assessment was:
(A)
Initiated by the United Nations to assess four broad ecosystem services
(B)
First held in 1995
(C)
Located in Kyoto, Japan
(D)
Located in Paris
Question-7
Which of the following is NOT an outcome of high population density?
(A)
Toxic waste accumulation
(B)
Mortality increase
(C)
Predators tend to ignore prey that it overabundant
(D)
Reproduction reduction
Question-8
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-9
Which of the species listed is most shade-tolerant?
(A)
Weeds
(B)
Pin cherry
(C)
White pine
(D)
Sugar maple
Question-10
Fecundity rate is the:
(A)
Absolute natality
(B)
Realised natality
(C)
Minimum mortality
(D)
Realised mortality
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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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