Question

Which of the following is not a research laboratory waste?

• A. Chemical waste
• B. Radioactive waste
• C. Clinical waste
• D. Cattle dung

Answer 1

The correct option is D

Cattle dung

The correct option is D.

Explanation of correct option:

1. Any unwanted and unusable substances, which we see around in the surroundings are known as waste.
2. The research laboratories generally produce three prime kinds of waste that are, infectious waste, chemical waste, pathological waste, etc.
3. Cattle pats or cattle dung is the waste product or feces of bovine animal species.
4. The species include buffalo, cows, and water buffalo.
5. It is the undigested residue to plant matter, which has been excreted via the gut of cattle.
6. Thus, cattle dung is not a research laboratory waste.

Explanation of incorrect options:

Option A:

1. Any solid, gaseous, or liquid waste substance, which is disposed of or managed improperly may pose significant hazards to the environment and human health is known as chemical waste.
2. It is one of the waste obtained from the research laboratory.

Option B:

1. A by-product of fuel processing plants, nuclear reactors, and research laboratories is radioactive waste.
2. It is a hazardous waste as it discharged radioactive particles, which if not managed properly can be a threat to the environment and human health.

Option C:

1. A kind of waste, which possesses the tendency to cause disease or infection is a clinical waste.
2. It is produced by healthcare service providers, research laboratories, etc.
3. The items like animal tissue, syringes, needles, pharmaceutical products, etc. can be a clinical waste.

Final answer: Cattle dung is not a research laboratory waste.