Biology
Assertion (A): Incineration is the disposal of waste by dumping it in a pit.
Reason (R): Incineration is harmful as it releases fumes and harmful substances.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Answer
A is False and R is True.
Reason — Incineration is the process of burning waste at high temperatures to reduce its volume. Disposal of waste by dumping it in a pit is known as landfill.
While incineration reduces waste volume, it can release toxic gases and particulate matter, which can be harmful to health and the environment if not properly managed.
Related Questions
Assertion (A): Waste is any substance which is worthless and of no use.
Reason (R): Wastes are the substances discarded after primary use by humans.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Clothes that are very old and torn are termed as rags. Rags are a kind of domestic waste.
Reason (R): Rags can be considered as a municipal waste which cannot be reused or recycled.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Electronic wastes do not contain any harmful substances or valuable materials.
Reason (R): Computers, mobile phones, batteries, etc. contain lead, cadmium, silver and copper.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Electrostatic precipitators remove gaseous air pollutants by attracting them to electrically charged plates.
Reason (R): The electrostatic precipitators can remove upto 90% of particulate matter from thermal plants.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.