Biology Multiple Choice Questions on “Environmental Issues – Solid Wastes”.
1. What is every material that goes to trash known as?
a) Liquid waste
b) Solid waste
c) Wastewater
d) Kitchen waste
Answer: b
Clarification: Every material that goes to trash is known as solid waste. It may be any garbage, refuse, that may include any solid, liquid, semi-solid, or contained gaseous material that is obtained from any industrial, commercial, or community activities.
2. What are wastes from homes, hospitals, offices, schools, stores, etc., that are collected and disposed of by the municipality called?
a) Municipality Solid waste
b) Liquid waste
c) Kitchen waste
d) Solid waste
Answer: a
Clarification: The wastes from homes, hospitals, offices, schools, stores, etc., that includes food wastes, glass, metals, leather, paper, plastics, rubber, textile, yard wastes, toxic waste, biomedical waste, etc. that is collected and disposed of by the municipality is called municipality solid waste. This waste varies with the municipality.
3. What of the following was adopted as the substitute for open-burning dumping grounds?
a) Lakes
b) Sanitary landfills
c) Land
d) Forests
Answer: b
Clarification: The sanitary landfill is an engineered method of controlled disposal where waste is isolated from the environment until it is safe. It is a substitute for open-burning dumps containing degradable, semi-degradable, and non-biodegradable waste.
4. In which three types can be the waste categorized?
a) Non-biodegradable, half-recyclable, and half-degradable
b) Degradable, half-degradable, and fully degradable
c) Recyclable, half-recyclable, and fully recyclable
d) Bio-degradable, recyclable, and the non-biodegradable
Answer: d
Clarification: There are three types in which the waste is categorized, they are bio-degradable, recyclable, and non-biodegradable. The waste should be sorted before any further use or treatment.
5. Which of the following waste can be put into deep pits in the ground and be left for the natural breakdown?
a) Half-degradable
b) Non-biodegradable
c) Bio-degradable
d) Recyclable
Answer: c
Clarification: The biodegradable waste includes any organic matter obtained from plants or animals that can be put into deep pits in the ground and be left for the natural breakdown. This breakdown can be done by micro-organisms and other living things by composting, aerobic digestion, anaerobic digestion using different enzymes to obtain essential food and nutrients.
6. Which of the following waste contributes heavily to environmental pollution?
a) Bio-degradable waste
b) Plastic waste
c) Liquid waste
d) Recyclable waste
Answer: b
Clarification: Plastic waste contributes heavily to environmental pollution. It includes plastic that isn’t recycled and plastic takes centuries to degrade. This plastic may enter into water bodies and harm aquatic life.
7. What does mining waste consist of?
a) Mobiles
b) Scrap
c) Sludge
d) Mine-dust, rock trailing
Answer: d
Clarification: The high-volume material generated during processes of extraction, beneficiation, and further physical and chemical processing of metals and non-metals is known as mining waste. Mine-dust, rock trailing, toxic metals, etc. are included in mine waste.
8. Which one of the following is a component of hospital waste?
a) Scrap
b) Toxic metals
c) Pathogens
d) Mobiles