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Worksheetsour environment
Total questions: 37
Worksheet time: 21mins
The natural environment consists of................................... .
Activities among human beings
Plants and animals that surround the human beings
Creations among human beings
Interactions among human beings
1. Land,water, air, etc, comprise the ...................environment.
Natural
Human
Man-made
Artificial
1. What is an abiotic component of environment?
Table
Water
Human
None of these
Natural environment can be divided into............................types.
Two
Three
Five
Four
What is the life supporting system among the following?
Transportation
Music system
Environment
Both A and B
What is abiotic component of environment?
Chair
Water
Butterfly
None of the Bove
When is World Environment Day is celebrated?
5 February
5 August
5 June
5 may
Which is human made environment?
Mountain
Road
Sea
None of the above
What is the solid crust of the Earth is called?
Biosphere
Lithosphere
Atmosphere
Hydrosphere
Which is not a natural Ecosystem?
Desert
Aquarium
Forest
None of these
Which is a threat to a environment
Growing plants
Growing crops
Growing population
None of these
Which is a threat to a environment
Growing plants
Growing crops
Growing population
None of these
Which is not a component of human environment
Land
Religion
Community
All of these
What is the trade in which goods are exchange without money?
Barter system
Export trade
Commercial trade
Eco system
narrow zone where land water and air interact is called
Environment
Hydrosphere
Biosphere
Lithosphere
Which is a threat to a environment
Growing plants
Growing crops
Growing population
None of these
What is the trade in which goods are exchange without money?
Barter system
Export trade
Commercial trade
Eco system
Which of the following is a primary consumer in a grassland ecosystem?
What percentage of energy is passed on to next tropic level?
10%
50%
90%
100%
What is this called?
Food Web
Food Chain
Abiotic Factors
Biotic factors
Which organism recieves the least amount of energy from the producer?
Owl
Grasshopper
Lilypad
Mouse
The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...
Biotoxicity
Biomagnification
Eutrophication
Predation
Consider the following food chain:
Algae > Mayfly > Minnow > Trout
In a polluted ecosystem, which organism is likely to have the HIGHEST level of toxic chemicals in its body?
Algae
Mayfly
Minnow
Trout
What does the Ozone in the atmosphere do?
causes the greenhouse effect
causes acid rain
protects the Earth from harmful infrared (IR) rays
protects the Earth from harmful ultraviolet (UV) rays
What damage can UV rays cause?
can cause sunburn.
can cause some types of skin cancer.
cataracts.
all of the above
What is causing damage to the Ozone layer?
Methane
Carbon dioxide
CFCs
All of the above
Identify the non- biodegradable substance from the following.
Paper
Tin cans
Vegetable peels
Wood
An artificial ecosystem is
Pond
Forest
Desert
Crop field
Each step of a food chain is called as
Trophic level
Food web
Eutrophication
Biological magnification
Calculate the amount of energy available to snake in the given food chain if there is 6500 J of energy available to grass hopper.
Grass ----> grass hopper ---> frog -----> snake
6500 J
650 J
65 J
6.5 J
Why do we need to manage the garbage we produce
i)To improve the health and quality of life
ii)For preventing environmental pollution
iii) To produce more biodegradable plastics
iv) To reduce the strain on natural resources
i and iv
iii and ii
i, ii and iii
i,ii and iv
Non biodegradable waste materials can be treated by composting technique.
true
False
Non biodegradable wastes can be managed by practicing techniques like
Reduce Reuse Reabsorb
Reduce reuse recycle
___________________ are found as an alternative for plastics which are decomposed by microbial action.
PVC
Biodegradable plastics
thermoplastic plastic
thermosetting plastic
