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This quiz contains questions from the following topics of Environment IGNOU book.
C3: Degradation of Natural Environment C4: Principles of Ecology C5: Ecosystem C6: Natural Ecosystem C7: Human Modified Ecosystems C9: Deforestation C10: Environmental Pollution C11: Environment and Health C12: Disasters and their management C13: National Environmental Issues
Statement 2: Ocean acidification results in an increase in oceanic oxygen levels.
Statement 2: Biomagnification refers to the decreasing concentration of a substance in an organism as it moves up the food chain.
Statement 2: Ecological restoration often involves the removal of non-native species.
Statement 1: Keystone species play a critical role in maintaining the structure of an ecological community.Statement 2: An ecosystem’s resilience decreases with increased biodiversity.
Statement 1: Primary succession occurs on newly formed volcanic islands.Statement 2: Secondary succession takes longer to reach a climax community than primary succession.
Statement 1: The ozone layer is found in the Earth’s stratosphere and protects life from harmful ultraviolet radiation.Statement 2: Urbanization has no significant impact on local ecosystems and biodiversity.
1. Deserts are always hot and sandy.2. Deserts play a minimal role in global biodiversity.Which of the statements given above is/are correct?
1. Wetlands provide critical habitat for many endangered species.2. Wetlands are ineffective in flood control and water purification.3. Which of the statements given above is/are correct?
1. Overgrazing is a significant contributor to desertification.2. Mining operations do not lead to significant environmental degradation.Which of the statements given above is/are correct?
1. The process of desertification can happen in any climatic zone.2. Desertification is solely a natural phenomenon and not influenced by human activities.Which of the statements given above is/are correct?
1. The major cause of water pollution includes agricultural runoff containing pesticides and fertilizers.2. Thermal pollution in water bodies is primarily caused by the release of sewage.Which of the statements given above is/are correct?
1. Eutrophication in water bodies is primarily caused by the overuse of fertilizers in agriculture.2. Soil pollution does not have significant impacts on food safety and crop productivity.Which of the statements given above is/are correct?
1. The accumulation of heavy metals in water bodies does not pose a threat to aquatic life.2. Soil erosion can lead to a decrease in agricultural productivity.Which of the statements given above is/are correct?
1. Urbanization leads to a decrease in air quality due to increased vehicle emissions and industrial activities.2. Water pollution has minimal impact on aquatic ecosystems and human health.Which of the statements given above is/are correct?
1. Industrial accidents only cause immediate damage and do not have long-term environmental impacts.2. Proper safety regulations and maintenance can significantly reduce the occurrence of industrial accidents.Which of the statements given above is/are correct?
1. Forest fires can be completely controlled by human interventions.2. Afforestation is an effective strategy to prevent soil erosion.Which of the statements given above is/are correct?
1. Urban sprawl has no significant impact on local ecosystems.2. Industrial waste often contributes to water pollution.Which of the statements given above is/are correct?
1. Overuse of groundwater has no impact on water scarcity.2. Renewable energy sources can help reduce greenhouse gas emissions.Which of the statements given above is/are correct?
Time’s up
