Smartindia Classroom
CONTENTS
Maths
English
Physics
Chemistry
Biology
History
Geography
Computer
Economics
Back to home
Start Practice
Question-1
Top soil is the most productive layer because:
(A)
that is where the rain falls
(B)
it is the warmest
(C)
it is where most organic matter is found
(D)
it is the coolest
Question-2
Which statement below best describes the ways that energy and pesticides are transferred between levels in food chains?
(A)
Available energy increases and pesticide concentrations increase as you move up a food chain
(B)
Available energy increases and pesticide concentrations decrease as you move up a food chain
(C)
Available energy decreases and pesticide concentrations increase as you move up a food chain
(D)
Available energy decreases and pesticide concentrations decrease as you move up a food chain
Question-3
Within the soil, bacteria function to:
(A)
raise the temperature of the water
(B)
synthesize new proteins
(C)
return inorganic matter from organic matter
(D)
capture light energy
Question-4
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-5
Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
(A)
Damage to digestive system
(B)
Increased liver cancer
(C)
Neurological disorder
(D)
Increased skin cancer
Question-6
Which is the main water polluting material?
(A)
Plastic
(B)
Cloth
(C)
Oil spill
(D)
Chemical
Question-7
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-8
The 2009 UN climate summit is organized at:
(A)
Dubai
(B)
Copenhagen
(C)
New York
(D)
London
Question-9
The process whereby an increasing proportion of the population lives in cities is known as :
(A)
ruralism
(B)
secularization
(C)
evolution
(D)
urbanization
Question-10
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
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
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
Powered By
