Name the phenomenon of concentrated toxic deposition at the higher trophic level.

1. Bio-accumulation
2. Biomagnification
3. Eutrophication
4. Biodegradation

The accumulation of toxins will be higher in which of the following ?

1. Water
2. Algae
3. Small fish
4. Big fish

Assertion (A): Climate change is a result of increased GHG emissions.

Reason (R): Use of fossil fuels, population growth and reduced green cover result in GHG emissions.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

In 2023 China was the largest contributor of Global greenhouse gas (GHG) emissions equal to the combined emissions of the US, India, European Union and Russia together. These five economies accounted for 60% of GHG emissions. What can be inferred.

1. India's GHG emission are lower than China's.
2. The Indian government's initiatives towards sustainability are effective.
3. India is one of the major polluters in the world.
4. All of the above.