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Generate QuizEnvironment – True/False – GK Questions
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The 'Ozone Hole' is most prominent over the Arctic region during its respective winter/spring.
- True
- False
Answer: False
The ozone hole is most severe over the Antarctic region due to the unique formation of polar stratospheric clouds and the polar vortex.
Carbon monoxide has a much higher affinity for human hemoglobin compared to oxygen.
- True
- False
Answer: True
CO binds to hemoglobin about 200-250 times more strongly than oxygen, forming carboxyhemoglobin and causing tissue hypoxia.
Eutrophication leads to a significant increase in the dissolved oxygen levels of a water body.
- True
- False
Answer: False
Eutrophication causes algal blooms; when the algae die and decompose, it heavily depletes the dissolved oxygen, causing hypoxia.
BOD stands for Biochemical Oxygen Demand, which measures the amount of oxygen required by microbes to decompose organic matter in water.
- True
- False
Answer: True
Higher BOD indicates higher levels of organic pollution in water, as more oxygen is consumed by aerobic bacteria.
The Dodo is a well-known example of an extinct bird.
- True
- False
Answer: True
The Dodo was a flightless bird endemic to Mauritius that went extinct in the late 17th century due to human activities.
Ex-situ conservation involves protecting endangered species in their natural habitats.
- True
- False
Answer: False
Ex-situ conservation involves protecting species outside their natural habitats, such as in zoos or seed banks.
Alpha diversity refers to the diversity between different habitats or landscapes.
- True
- False
Answer: False
Alpha diversity is the diversity within a particular area or ecosystem. Gamma diversity refers to the total diversity across a landscape.
Secondary succession occurs in an area where no life existed before, such as bare rock.
- True
- False
Answer: False
Primary succession occurs on bare rock. Secondary succession happens in areas where a community has been cleared but soil remains.
A typical food chain always starts with a primary consumer.
- True
- False
Answer: False
A food chain always begins with a producer (autotroph), such as a green plant, not a consumer.
Biosphere is the narrow zone where land, water, and air interact to support life.
- True
- False
Answer: True
The biosphere is the global ecological system integrating all living beings and their relationships with the lithosphere, hydrosphere, and atmosphere.