31. In healthcare industries, plastics are used for
(A) Packing tablets
(B) Threads used for stitching wounds
(C) Gloves and number of medical instruments
(D) All of the above
32. What type of plastic is used for non-stick coating on cookware?
(A) Teflon
(B) PVC
(C) Melamine
(D) All of the above
33. Materials which gets decomposed through natural processes such as bacteria is called
(A) Biodegradable
(B) Non-biodegradable
(C) Both (A) and (B)
(D) None of the above
34. Uniforms of fireman is made up of what type of plastics?
(A) Melamine
(B) Teflon
(C) PVC
(D) Polythene
35. A material which is not easily decomposed by natural processes is known as
(A) Non-biodegradable
(B) Biodegradable
(C) Heat resistant
(D) None of the above
36. Biodegradable products are
(A) Peels of fruits and vegetables
(B) Paper and wood
(C) Cotton and woollen clothes
(D) All of the above
37. Non-biodegradable products are
(A) Tin
(B) Aluminium
(C) Plastic bags
(D) All of the above
38. What type of plastics can be recycled.
(A) Thermosetting
(B) Thermoplastic
(C) Non-biodegradable
(D) None of the above
39. Which of the following material takes maximum time to degenerate?
(A) Paper
(B) Peels of fruits and vegetables
(C) Plastic bags and tin, aluminium and metals
(D) All of the above
40. What are 4R of environment?
(A) Reduce, Reuse, Recycle and Recover
(B) Repair, Reuse, Recycle and Recover
(C) Reconstruct, Reuse, Recycle and Recover
(D) Regenerate, Reuse, Recover and Reuse
Answers:-
| 31-(D) | 32-(A) | 33-(A) | 34-(A) | 35-(A) | 36-(D) | 37-(D) | 38-(B) | 39-(C) | 40-(A) |