Assertion (A): Large scale epidemics, increased healthcare access, home based healthcare have contributed to a rise in biomedical waste.

Reason (R): Biomedical wastes require sophisticated processing plants, incineration and disassembly centres for proper disposal.

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.

Agricultural waste being organic in nature undergoes ……………. and create conditions favourable for the growth of pathogens.

1. fermentation
2. nitrification
3. magnification
4. oxygenation

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