Consider 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 tropic levels.

E-waste contain potentially harmful materials such

1. Brominated flame retardants
2. Phosphors
3. Cadmium
4. Beryllium
5. Lead

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Consider 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 high-altitude 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 to

Which 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

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Consider 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?