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Question 1 of 5
1. Question
1 pointsConsider the following statements given below
1. In an aquatic ecosystem, more energy flows through grazing food chain than detritus food chain.
2. Around 10% of energy is lost in energy flow across different trophic levels.
Which of the statements given above is/are correct?Correct
Statement 1 is correct while statement 2 is incorrect.
In an aquatic ecosystem, grazing food chain is the major conduit for energy flow. As against this, in a terrestrial ecosystem, a much larger fraction of energy flows through the detritus food chain than through the grazing food chain.
When energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed. Around 90% of energy will be lost.Incorrect
Statement 1 is correct while statement 2 is incorrect.
In an aquatic ecosystem, grazing food chain is the major conduit for energy flow. As against this, in a terrestrial ecosystem, a much larger fraction of energy flows through the detritus food chain than through the grazing food chain.
When energy is passed in an ecosystem from one trophic level to the next, only ten percent of the energy will be passed. Around 90% of energy will be lost. -
Question 2 of 5
2. Question
1 pointsConsider the following statements given below
1. Alpha diversity is the diversity within an ecosystem which is generally described as the number of species.
2. Beta diversity is the geographic diversity which refers to the total diversity of a region.
Which of the statements given above is/are correct?Correct
Statement 1 is correct while statement 2 is incorrect.
Alpha diversity is the diversity within an ecosystem which is generally described as the number of species.
Beta diversity involves the comparison of different ecosystems in environmental gradients, for example, in a mountainous area within a coastal area.
Gamma diversity refers to the total diversity of a region, i.e. the geographic diversity. It is the sum of the alpha diversity of various ecosystems.Incorrect
Statement 1 is correct while statement 2 is incorrect.
Alpha diversity is the diversity within an ecosystem which is generally described as the number of species.
Beta diversity involves the comparison of different ecosystems in environmental gradients, for example, in a mountainous area within a coastal area.
Gamma diversity refers to the total diversity of a region, i.e. the geographic diversity. It is the sum of the alpha diversity of various ecosystems. -
Question 3 of 5
3. Question
1 pointsWhich of the following given below are the Biodiversity Hotspots in India?
1. Western Ghats
2. Himalayas
3. Indo-Bhutan region
4. Sundaland
Select the correct answer using the codes given belowCorrect
India has some of the world’s most biodiverse regions. The biodiversity hotspots in India are: the Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland (Includes group of Islands).
Incorrect
India has some of the world’s most biodiverse regions. The biodiversity hotspots in India are: the Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland (Includes group of Islands).
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Question 4 of 5
4. Question
1 pointsGlobal Biodiversity Outlook report is published by which of the following organisations?
Correct
The fifth edition of the UN’s Global Biodiversity Outlook report, published by the UN Convention of Biological Diversity (CBD), provides an overview of the state of nature worldwide. The report notes the importance of biodiversity in addressing climate change and long-term food security, and that action to protect biodiversity is essential to prevent future pandemics.
Incorrect
The fifth edition of the UN’s Global Biodiversity Outlook report, published by the UN Convention of Biological Diversity (CBD), provides an overview of the state of nature worldwide. The report notes the importance of biodiversity in addressing climate change and long-term food security, and that action to protect biodiversity is essential to prevent future pandemics.
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Question 5 of 5
5. Question
1 pointsWhich of the following organisations given below releases Emissions Gap Report 2020?
Correct
The United Nations Environment Programme (UNEP) released its annual Emissions Gap Report 2020. The annual report from UNEP measures “the gap between anticipated emissions and levels consistent with the Paris Agreement goals of limiting global warming this century to well below 2°C and pursuing 1.5°C”.
Incorrect
The United Nations Environment Programme (UNEP) released its annual Emissions Gap Report 2020. The annual report from UNEP measures “the gap between anticipated emissions and levels consistent with the Paris Agreement goals of limiting global warming this century to well below 2°C and pursuing 1.5°C”.
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