1. Who led the research team at IISc for developing biodegradable foam?
1. Professors Rajesh Kumar and Amit Bose
2. Professors Suryasarathi Bose and Subodh Kumar
3. Professors Ramesh Bose and Suresh Kumar
4. Professors Kumar Bose and Suryasarathi Kumar
Answer: 2
2. What percentage of current plastic foam production is recycled annually?
1. Less than 5%
2. About 10%
3. Less than 1%
4. About 2.3%
Answer: 3
3. What unique property does the biodegradable foam’s chemical structure possess?
1. Permanent bonds
2. Static covalent bonds
3. Ionic bonds
4. Dynamic covalent bonds
Answer: 4
4. At what temperature can the foam break down in eco-friendly solvents?
1. 60°C
2. 70°C
3. 80°C
4. 90°C
Answer: 3
5. How long does it take for the foam to disintegrate in eco-friendly solvents?
1. 12 hours
2. 6 hours
3. 3 hours
4. 24 hours
Answer: 3
6. What are the main components used in making this bio-derived foam?
1. Epoxidized fatty acids and synthetic hardeners
2. Synthetic oils and natural hardeners
3. Epoxidized fatty acids and polyphenol-based hardeners
4. Edible oils and artificial hardeners
Answer: 3
7. How many cycles of cyclic loading can the biodegradable foam withstand?
1. 5,000 cycles
2. 7,500 cycles
3. 8,000 cycles
4. 10,000 cycles
Answer: 4
8. How many pounds of greenhouse gases are emitted in producing 10,000 traditional plastic foam cups?
1. 580 pounds
2. 630 pounds
3. 680 pounds
4. 730 pounds
Answer: 3
9. What is the source of the polyphenol-based hardeners used in the foam?
1. Coffee beans
2. Tea leaves
3. Cocoa beans
4. Green leaves
Answer: 2
10. Which sector is particularly suitable for this biodegradable foam?
1. Heavy industry
2. FMCG sector
3. Construction sector
4. Automotive sector
Answer: 2
11. What type of oils are used in making the biodegradable foam?
1. Edible oils
2. Non-edible oils
3. Synthetic oils
4. Mixed oils
Answer: 2
12. Which regulatory body has approved the oils used in the foam?
1. WHO
2. USDA
3. US FDA
4. EPA
Answer: 3
13. What conventional materials could this biodegradable foam potentially replace?
1. EPS and PVC
2. PVC and PU
3. EPS and PU
4. PET and PVC
Answer: 3
14. What is a key environmental advantage of this foam?
1. Zero production cost
2. Reduced carbon footprint
3. Infinite reusability
4. Zero waste generation
Answer: 2
15. What happens to the foam’s strength during reprocessing?
1. It gradually decreases
2. It remains maintained
3. It increases
4. It becomes variable
Answer: 2
16. What is IISc primarily known for?
1. Business education
2. Medical research
3. Advanced scientific research
4. Engineering training
Answer: 3
17. What is the main environmental issue with traditional EPS?
1. High production cost
2. Poor recyclability
3. Toxic emissions
4. Water pollution
Answer: 2
18. How long can traditional materials persist in landfills?
1. Decades
2. Years
3. Centuries
4. Months
Answer: 3
19. What is the current state of the Indian foam market?
1. Declining
2. Stagnant
3. Projected to grow
4. Saturated
Answer: 3
20. What type of bonds can break and reform in the foam?
1. Ionic bonds
2. Hydrogen bonds
3. Metallic bonds
4. Covalent bonds
Answer: 4
21. What characteristic defines FMCG products?
1. High cost, slow turnover
2. Low cost, quick turnover
3. High cost, quick turnover
4. Low cost, slow turnover
Answer: 2
22. What is the annual plastic foam production that gets recycled?
1. Less than 23,000 tonnes
2. More than 2.3 million tonnes
3. Less than 2.3 million tonnes
4. More than 23,000 tonnes
Answer: 1
23. What is PU known for in the industry?
1. Rigidity only
2. Flexibility only
3. Versatility and durability
4. Cost-effectiveness only
Answer: 3
24. What is the next step for the researchers regarding this innovation?
1. Patent registration
2. Laboratory testing
3. Market withdrawal
4. Industry collaboration for scaling up
Answer: 4
25. What makes this foam safe for various applications?
1. Chemical preservatives
2. Synthetic materials
3. FDA-approved materials and natural components
4. Artificial stabilizers
Answer: 3