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WorksheetsExplore the Environment
Total questions: 17
Worksheet time: 13mins
विश्व पर्यावरण दिवस कब मनाया जाता है
५जून
६जून
What are the main components of an ecosystem?
Water and soil types
Photosynthesis and respiration
Producers and consumers
Biotic and abiotic components.
Name three natural resources and their importance.
Soil: important for urban development
1. Water: essential for life and agriculture; 2. Forests: provide timber and habitat; 3. Minerals: crucial for manufacturing and technology.
Air: used for breathing and combustion
Sunlight: necessary for artificial lighting
What are the causes and effects of air pollution?
Improved air quality from tree planting
Reduction in greenhouse gases
Increased use of public transportation
Causes of air pollution include vehicle emissions, industrial discharges, and burning fossil fuels; effects include respiratory diseases, environmental degradation, and climate change.
Why is forest conservation important for the environment?
Forest conservation is only important for wildlife preservation.
Forest conservation has no impact on air quality.
Forest conservation is primarily for recreational purposes.
Forest conservation is important for maintaining biodiversity, regulating climate, protecting watersheds, and mitigating climate change.
How can we help air pollution?
By burning trash
Spraying chemicals into the air
Driving cars everywhere
Walking or riding your bike instead of driving
Land, water, air etc. comprise the _________ of the environment.
natural and non-living component
human component
man-made component
artificial component
Which of the following organelles do both plant and animal cells have?
Cell Membrane
Chloroplast
Lysosome
Ribosomes
Which of the following is a source of air pollution?
Difficulty in breathing
Factories
Eye irritation
Drinking water
When is World Environment Day is celebrated?
5 February
5 August
5 June
5 may
In the 1800s rabbits were introduced for the first time into Australia. Here they had no natural predators and a plentiful food supply. What happened several years after the rabbit was introduced into Australia?
The rabbits began to overpopulate greatly.
Populations of animals competing with rabbits grew.
The rabbit population declined sharply.
New rabbit predators evolved.
The design of air conditioners and aerosol cans has been changed in the last few years in an attempt to reverse which ecological problem?
deforestation
freshwater pollution
hole in the ozone layer
acid rain
An increase in which gas if primarily responsible for increased global warming?
water vapor
nitric oxides
methane
carbon dioxide
Which of the following results when nitrogen and sulfur-containing compounds mix with water in thee atmosphere?
ozone depletion
acid rain
global warming
thermal pollution
The thin layer of air that surrounds the earth is ________
Hydrosphere
Atmosphere
Lithosphere
Hemisphere
Land, water, air etc. comprise the _________ of the environment.
natural and non-living component
human component
man-made component
artificial component
"Spans a small geographic area such as a home, school, office building, or campus"
Which of the following describe the above statement?
LAN
MAN
WAN
PAN
