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Question 1 of 5
1. Question
1 pointsConsider the following statements regarding food chain in ecosystem.
1. In an aquatic ecosystem, larger fraction of energy flow through detritus food chain than grazing food chain.
2. In a terrestrial ecosystem, more energy flows through grazing food chain than detritus food chain.
3. Around 90% of energy is lost in energy flow across different trophic levels.
How many of the above statements is/are incorrect?Correct
1 and 2 are 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
1 and 2 are 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 pointsE-waste contain potentially harmful materials such
1. Brominated flame retardants
2. Phosphors
3. Cadmium
4. Beryllium
5. Lead
Select the correct answer codeCorrect
Electronic scrap components, such as CPUs, contain potentially harmful materials such as lead, cadmium, beryllium, or brominated flame retardants.
CRTs have a relatively high concentration of lead and phosphors (not to be confused with phosphorus), both of which are necessary for the display.
Country’s first e-waste clinic is being opened in Bhopal, Madhya Pradesh. It would enable segregation, processing and disposal of waste from both household and commercial units.Incorrect
Electronic scrap components, such as CPUs, contain potentially harmful materials such as lead, cadmium, beryllium, or brominated flame retardants.
CRTs have a relatively high concentration of lead and phosphors (not to be confused with phosphorus), both of which are necessary for the display.
Country’s first e-waste clinic is being opened in Bhopal, Madhya Pradesh. It would enable segregation, processing and disposal of waste from both household and commercial units. -
Question 3 of 5
3. Question
1 pointsConsider the following statements.
1. The park was created to protect its keystone species, the Nilgiri tahr.
2. The park is characterised by montane grasslands and shrublands interspersed with sholas in a highaltitude area of high rainfall, near-freezing temperatures and high winds.
3. The park is a part of Nilgiri Biosphere Reserve.
The above statements mainly refer toCorrect
Mukurthi National Park (MNP) is a protected area located in the western corner of the Nilgiris Plateau west of
Ootacamund hill station in the northwest corner of Tamil Nadu state in the Western Ghats mountain range of South India. The park was created to protect its keystone species, the Nilgiri tahr.
The park is characterised by montane grasslands and shrublands interspersed with sholas in a high-altitude area of high rainfall, near-freezing temperatures and high winds. It is home to an array of endangered wildlife, including royal Bengal tiger and Asian elephant, but its main mammal attraction is the Nilgiri tahr. The park was previously known as Nilgiri Tahr National Park.
The park is a part of Nilgiri Biosphere Reserve, India’s first International Biosphere Reserve. As part of the Western Ghats, it is a UNESCO World Heritage Site since 1 July 2012.Incorrect
Mukurthi National Park (MNP) is a protected area located in the western corner of the Nilgiris Plateau west of
Ootacamund hill station in the northwest corner of Tamil Nadu state in the Western Ghats mountain range of South India. The park was created to protect its keystone species, the Nilgiri tahr.
The park is characterised by montane grasslands and shrublands interspersed with sholas in a high-altitude area of high rainfall, near-freezing temperatures and high winds. It is home to an array of endangered wildlife, including royal Bengal tiger and Asian elephant, but its main mammal attraction is the Nilgiri tahr. The park was previously known as Nilgiri Tahr National Park.
The park is a part of Nilgiri Biosphere Reserve, India’s first International Biosphere Reserve. As part of the Western Ghats, it is a UNESCO World Heritage Site since 1 July 2012. -
Question 4 of 5
4. Question
1 pointsWhich of the following play a role in the Nitrogen cycle on earth?
1. Blue-green algae
2. Lightning
3. Uptake of soil nutrients by plants
4. Terrestrial Food chain
Select the correct answer codeCorrect
All of the above are correct.
Incorrect
All of the above are correct.
-
Question 5 of 5
5. Question
1 pointsConsider the following statements regarding Environment Pollution Control Authority (EPCA).
1. EPCA is Supreme Court mandated body tasked with taking various measures to tackle air pollution in the National Capital Region.
2. It was constituted under the provisions of Air (Prevention & Control of Pollution) (Union Territories) Act, 1981
3. It can take suo moto action on environmental issues.
Which of the above statements is/are correct?Correct
Environment Pollution Control Authority (EPCA):
• EPCA was constituted with the objective of ‘protecting and improving’ the quality of the environment and ‘controlling environmental pollution’ in the National Capital Region. The EPCA also assists the apex court in various environment-related matters in the region.
• EPCA is Supreme Court mandated body tasked with taking various measures to tackle air pollution in the National Capital Region. It was notified in 1998 by Environment Ministry under Environment Protection Act, 1986.Incorrect
Environment Pollution Control Authority (EPCA):
• EPCA was constituted with the objective of ‘protecting and improving’ the quality of the environment and ‘controlling environmental pollution’ in the National Capital Region. The EPCA also assists the apex court in various environment-related matters in the region.
• EPCA is Supreme Court mandated body tasked with taking various measures to tackle air pollution in the National Capital Region. It was notified in 1998 by Environment Ministry under Environment Protection Act, 1986.
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