Certificate In Biodegradable & Compostable Manufacturing /30 0 Your Examination is Complete ! Certificate In Biodegradable & Compostable ManufacturingOnline Examination Detail: Duration- 60 minutes. Number of Questions- 30. (Multiple Choice Questions). Maximum Marks- 100, Passing Marks- 40%. There is no negative marking. Candidate Details NameEmailPhone Number 1 / 301. ____________ polymers are considered to possess the property of biocompatibility. A. Biodegradable B. Bioequivalent C. Bioavailable D. Man-made 2 / 302. Which the following doesn’t come under the category of very easily degradable compounds? A. Sugar B. Amino acids C. Organic acids D. PCB 3 / 303. Which of the following is not an objective of composting? A. Reduction of mass B. Elimination of toxic substances C. Stabilization D. Incineration 4 / 304. Which of the following is not a subdivision of degradability of pollutants? A. Very easily degradable B. Easily degradable C. Potentially degradable D. Very fast degradable 5 / 305. Bacterial assemblage can help in the degradation of __________. A. Alcohol B. Carbonic acid C. Water D. Organic pollutants 6 / 306. Which of the following methods cannot be used for gas exchange in the heap? A. Releasing the rotting material B. Forced aeration C. Maintaining the oxygen demand D. Tightening the rooting material 7 / 307. Pre-treatment of the wastes by composting leads to greenhouse effect. A. True B. False 8 / 308. What of the following microorganisms have a major role in compositing? A. Bacteria B. Fungi C. Plants D. Actinomycetes 9 / 309. Which the following factors of pollutants doesn’t influence their Eco toxicological evaluations? A. Stability B. Size C. Colour D. Texture 10 / 3010. PHB is used in ____________. A. Agricultural applications B. Medical applications C. Manufacture of shampoo bottles D. Adhesives 11 / 3011. Greater the hydrophilicity of the polymers ____________ is the rate of biodegradation. A. Larger B. Smaller C. Both (a)&(b) D. None of these 12 / 3012. Post processing of the compost leads to increase in quality. A. True B. False 13 / 3013. Which of the following methods is the simplest way of microbial composting? A. Field composting B. Vertical reactor C. Horizontal reactor D. Windrow composting 14 / 3014. Biodegradable biomaterials are of two types, namely natural and __________ A. Synthetic B. Protein-based C. Acrylic-based D. Ceramic 15 / 3015. Biodegradation will be more for ____________. A. More molecular weights and high crystallinity B. Low molecular weights and high crystallinity C. More molecular weights and less crystallinity D. Low molecular weights and less crystallinity 16 / 3016. Which of the following methods doesn’t use thermal disinfection method? A. Windrow composting B. Vertical reactor C. Horizontal reactor D. Field composting 17 / 3017. Biodegradable in excess can prove to be poisonous. A. TRUE B. FALSE 18 / 3018. Which of the following is not an example of a natural biodegradable polymer? A. Collagen B. Polyvinyl alcohol C. Lignin D. Natural rubber 19 / 3019. What is the major drawback of biodegradable polymers? A. Fast oxidation B. Slow process-ability C. Brittleness D. Strength 20 / 3020. The residence time of easily degradable pollutants in the environment ranges from ___________ A. 10-14 days B. 0-05 days C. 0-06 days D. 50 days 21 / 3021. Which non-reactor system serves as a direct contact between the waste and the atmosphere? A. Windrow composting B. Vertical reactor C. Rotating drum D. Horizontal reactor 22 / 3022. Which of the following is not required for the biodegradation process? A. Micro-organism B. Environment conditions C. Adhesives D. Substrate 23 / 3023. Which of the following method is not a post processing activity? A. Sieving B. Landfill sealing C. Drying D. Disintegrating clumps 24 / 3024. Which of the following mechanism can optimize the input of hazardous metals? A. Hydrolysis B. Addition of heavy metals C. Conditioning D. Solubilisation 25 / 3025. Which of the following is known to decompose the organic matter of wastes? A. Composting B. Cooking C. Decomposing D. Burning 26 / 3026. Which of the following components are present in the waste air of aerobic respiration? A. Ammonia B. Nitrous oxide C. Carbon dioxide D. Methane 27 / 3027. Which of the following is not an example of synthetic biodegradable polymer? A. Polyvinyl alcohol B. Poly gamma-glutamic acid C. Polyanhydrides D. PHBV 28 / 3028. Which of the following methods enhance the intensity of disintegration? A. Velocity of degradation B. Time of process C. Composting process D. Recycling 29 / 3029. Which of the following methods leads to increase of surface area for microorganisms to act? A. Vermicomposting B. Disintegration C. Incineration D. Recycling 30 / 3030. Which of the following is not a type of reactor system used for microbial composting? A. Rotating drum B. Field composting C. Horizontal reactor D. Vertical reactor Exit