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Environmental Impact and Biodiversity in Human Activities Quiz

#1

Which of the following is a major greenhouse gas responsible for global warming?

Carbon dioxide (CO2)
Explanation

Primary greenhouse gas driving global warming.

#2

What is the term for the process by which plants use sunlight to synthesize food from carbon dioxide and water?

Photosynthesis
Explanation

Plant process for food production using sunlight, CO2, and water.

#3

Which of the following is a consequence of habitat destruction?

Loss of species diversity
Explanation

Habitat destruction leads to the disappearance of various species.

#4

Which of the following pollutants is known for causing acid rain?

Sulfur dioxide (SO2)
Explanation

Sulfur dioxide emissions combine with water vapor to form acid rain.

#5

Which of the following is a consequence of eutrophication in aquatic ecosystems?

Fish kills
Explanation

Excessive nutrients lead to algal blooms, depleting oxygen and causing fish deaths.

#6

What is the primary cause of deforestation worldwide?

Agricultural activities
Explanation

Agricultural expansion is the main driver of deforestation.

#7

Which of the following is not a renewable energy source?

Natural gas
Explanation

Non-renewable fossil fuel.

#8

What is the term for the variety of life on Earth and the natural patterns it forms?

Biodiversity
Explanation

Refers to the richness and complexity of life forms on Earth.

#9

Which of the following is a non-point source of water pollution?

Agricultural runoff
Explanation

Pollution originating from diffuse sources such as farms.

#10

What is the term for the gradual increase in the Earth's average temperature due to human activities?

Global warming
Explanation

Human-induced rise in Earth's average temperature.

#11

Which of the following is not a major cause of air pollution?

Volcanic eruptions
Explanation

Natural phenomena, not a significant source of pollution.

#12

What is the term for the process of converting waste materials into reusable materials?

Recycling
Explanation

Conversion of waste into reusable materials.

#13

Which of the following is a consequence of ocean acidification?

Decline in fish population
Explanation

Acidification harms marine life, leading to fish population decline.

#14

What is the main function of wetlands in the ecosystem?

All of the above
Explanation

Wetlands provide various ecosystem services like water purification, flood control, and habitat for diverse species.

#15

Which of the following is an example of an invasive species?

Zebra mussels in the Great Lakes
Explanation

Species introduced into a new environment, causing harm to native species.

#16

Which of the following is not a characteristic of an indicator species?

Large population size
Explanation

Indicator species are characterized by sensitivity to environmental changes, not population size.

#17

Which of the following is an example of a keystone species?

Sea otters in a kelp forest
Explanation

Species crucial for maintaining ecosystem structure and function.

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