Remains of heavy metals like lead, arsenic, cadmium, etc. from mines are industrial waste.

Question

State whether the following statements are true or false. Correct the false statements: 1. Remains of heavy metals like lead, arsenic, cadmium, etc. from mines are industrial waste. 2. Use of ‘use and throw’ type of articles like pens, canned cold drinks, tetra packs should be encouraged in waste management. 3. We should use tissue paper instead of one’s own handkerchief for effective waste management. 4. Certain plastic bags take 1 month to degrade. 5. Banana peels can degrade in 3-4 weeks. Select the correct answer from above options Science questions and answers, Science questions pdf, Science question bank, Science questions and answers pdf, mcq on Science pdf,Science book pdf,Science pdf notes,Science lecture notes,Science of light,maxwell Science,Science proposed by,electromagnetic theory engineering physics,Science nptel

Answer 1

1. False. Remains of heavy metals like lead, arsenic, cadmium etc. from mines are mining waste. 2. False. Use of ‘use and throw’ type of articles like pens, canned cold drinks, tetra packs should be strictly avoided in waste management. 3. False. We should use one’s own handkerchief instead of tissue paper for effective waste management. 4. False. Certain plastic bags take 10 lakh years to degrade. 5. True.