Ahmed Khan, aged 57 years old, is a plastic sack manufacturer in Bangalore for the last 20 years.
He has been associated with
Important Questions on Environmental Issues
Read the following statements and select the correct option.
A. Sanitary landfills were adopted as a substitute for the open burning of dumps.
B. All wastes that we generate can be categorised into three types: biodegradable, recyclable and non–biodegradable.
Ahmed Khan, a plastic sack manufacturer from Bangalore, solve the ever-increasing problem of accumulating plastic waste by mixing it with which of the following
| Column I | Column II | ||
|---|---|---|---|
| A | Suspended solids | 1 | Nitrates, ammonia, phosphate, sodium and calcium |
| B | Colloidal materials | 2 | Faecal matter, bacteria, paper and cloth fibres |
| C | Dissolved materials | 3 | Sand, silt and clay |
Read the following statements on the recycling of e-waste and select the correct option.
A. Developed countries have specifically built facilities for their disposal.
B. Recycling is not a solution for the treatment of e-waste.
Which of the following statement is/are correct with respect to remedy for plastic waste?
(a) Polyblend is a fine mixture of recycled modified plastic.
(b) It is a zero-waste procedure.
(c) It was due to the collaboration of town people of Arcata and biologists of Humboldt State University.
(d) A blend of polyblend and bitumen enhances bitumen’s water–repellent properties and helps to increase road life.
Which of the following options are correct with respect to the remedy of plastic waste?
A. Polyblend is a fine mixture of recycled modified plastic.
B. It is a zero-waste procedure.
C. It was due to the collaboration of town people of Arcata and Biologists of Humboldt State University.
D. A blend of polyblend and bitumen enhances bitumen’s water-repellent properties and help to increase road's longevity.
