environmental quiz

A number of Atoms in ozone molecules are?

• 2

• 3

• 4

• 1

High biological oxygen demand indicates?

• absence of microbial pollution

• Moderate microbial pollution

• Intense level of microbial pollution

• All of these

Gas molecules that absorb thermal infrared radiation and are present in large quantity to change climate system are known as?

• Alpha radiations

• Beta radiations

• Ozone gasses

• Greenhouse

Layer of Atmosphere in which Ozone Layer lies is?

• Exosphere

• Mesosphere

• Troposphere

• Stratosphere

Layer which saves life from harmful effects of UV radiations is known as?

• Ozone layer

• Alpha layer

• Gamma Layer

• Infrared layer

What is environmental science?

• The study of rocks and minerals

• The study of the Earth's Atmosphere

• The study of interactions between living organisms and their environment

• The study of Human societies and cultures

Which scientific disciplines does environmental science draw knowledge from?

• Biology and chemistry

• Physics and mathematics

• Sociology and anthropology

• all of the above

What are ecosystem?

• The study of individual organisms

• The study of Earth's atmosphere and climate

• Interconnected communities of living organism and their physical environments

• The study of Earth's geological features

What are the main focus of environmental science?

• Studying the history of human civilizations

• Identifying new species of plants and animals

• Understanding human impacts on the environment

• Exploring outer space and celestial bodies

Which environmental issue refers to the gradual increase in Earth's average temperature due to human activities?

• Pollution

• deforestation

• climate change

• biodiversity loss