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Question-1
Erosion is:
(A)
building up of soil
(B)
movement of soil
(C)
harvesting of crops
(D)
heavy rainfall
Question-2
Which is the main water polluting material?
(A)
Plastic
(B)
Cloth
(C)
Oil spill
(D)
Chemical
Question-3
Which of the following conditions would lead to the most soil erosion?
(A)
Heavy rainfall (from a single storm) in an area of low average annual rainfall.
(B)
Steep slopes in a tropical rainforest.
(C)
An agricultural region where soil conservation practices are implemented.
(D)
An area that has been urbanized for several decades or more.
Question-4
The presence of high coliform counts in water indicate:
(A)
contamination by human wastes
(B)
phosphorus contamination
(C)
decreased biological oxygen demand
(D)
hydrocarbon contamination
Question-5
What are pollutants that interfere with the normal functioning of hormones called?
(A)
radioisotopes
(B)
synergists
(C)
stimulants
(D)
endocrine disrupters
Question-6
The underground water is mainly polluted due to:
(A)
entering of polluted water to the water table
(B)
the construction of polluted water
(C)
the construction of well.
(D)
construction of bore wells
Question-7
Name one non-biodegradable waste which may pollute the earth to dangerous levels of toxicity, if not handled properly.
(A)
DDT
(B)
CFC
(C)
Radioactive substances
(D)
PAN
Question-8
The process whereby an increasing proportion of the population lives in cities is known as :
(A)
ruralism
(B)
secularization
(C)
evolution
(D)
urbanization
Question-9
What would be the effect of septic tanks, some old and cracked, along the bank of a small resort lake?
(A)
Greenhouse effect
(B)
Nothing
(C)
Great fishing
(D)
Eutrophication
Question-10
What are pollutants that interfere with the normal functioning of hormones called?
(A)
radioisotopes
(B)
synergists
(C)
stimulants
(D)
endocrine disrupters
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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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