Pollution

Step 1: Identify biodegradable wastes.
Biodegradable wastes are those that can be decomposed by natural organisms, such as bacteria, fungi, or other decomposers, into simpler substances over time.
Step 2: Select biodegradable wastes.
From the given list, the two biodegradable wastes are: - {Decaying fruits}
- {Newspapers}

Step 3: Explanation.
- {Decaying fruits} are organic materials that decompose naturally and can be broken down by microorganisms.
- {Newspapers} are made of paper, which is biodegradable and decomposes with the help of bacteria and fungi.

(a) Give the collective term for the structure located in the internal ear.
The collective term for the structure located in the internal ear is the {labyrinth}. It consists of the cochlea, vestibule, and semicircular canals, all of which contribute to hearing and balance. (b) Name the sensory organ in the Cochlea which was damaged for Rajat Singh.
The sensory organ in the cochlea that was damaged for Rajat Singh is the {organ of Corti}. It contains hair cells that are responsible for converting sound vibrations into electrical signals for the brain to interpret as sound. (c) What kind of pollution do the workers face in the stone quarry?
The workers in the stone quarry are primarily exposed to {noise pollution}. The high decibel levels from the drilling and blasting operations can lead to hearing damage and other health issues related to prolonged exposure to loud noises.