WorksheetsOUR ENVIRONMENT
Total questions: 13
Worksheet time: 8mins
Components that forms ecosystem are
All biotic
All abiotic
Both
None
Which of the following is a biodegradable?
Glass
Plants
Plastics
Polythene
Which of the following is non-biodegradable?
Cow dung
Plastic
Manures
Plant's Products
The functional unit of environment is known as
Environment
Ecosystem
Carbon
Oxygen
Green plants and Algae are the examples of
Producers
Consumers
Decomposers
none
..................is not a biodegradable pollutant.
Paper
Cotton Cloths
Cotton
DDT
Food chain consists of
The sun
Producers
Consumers
All of these
Ozone is a molecule formed by..... oxygen atoms
One
Two
Three
Four
Which of the following is an abiotic components
Animals
Plants
Microorganisms
Soil
Which gas is not responsible for global warming?
CO2
O3
NO2
N2
The flow of energy in an ecosystem is always (a)
Accumulation of chemicals in subsequent tropic level is called...
(a)
(a) gas is responsible for ozone layer depletion. (write short form)
