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MCQs - 2026-04

3481.
The byproducts of the degradation process are described as:
A Highly toxic
B Less harmful
C Identical to the original plastic
D Unknown
3482.
This development aligns with India's commitment to:
A Industrial expansion
B Environmental sustainability
C Technological advancement in warfare
D Economic growth at any cost
3483.
What are the next steps for the IIT Madras team regarding this development?
A To stop further research
B To scale up production and explore real-world applications
C To patent the technology and keep it exclusive
D To focus on developing new plastic materials
3484.
What is the potential impact of this innovation?
A Increasing plastic pollution
B Tackling the global plastic pollution crisis
C Promoting the use of single-use plastics
D Developing new types of plastic
3485.
What is a significant advantage of this bio-remediation agent compared to natural degradation?
A It takes longer to degrade plastic
B It degrades significant amounts of plastic waste within weeks
C It produces more harmful byproducts
D It is only effective in laboratory settings
3486.
How does the bio-remediation agent work?
A By melting the plastic at high temperatures
B By using chemical solvents to dissolve the plastic
C By utilizing specially engineered microbes that secrete enzymes to break down plastic
D By compressing the plastic into smaller, inert blocks
3487.
What type of plastic waste can the newly developed bio-remediation agent degrade?
A Only biodegradable plastics
B Polyethylene terephthalate (PET) and other recalcitrant plastic polymers
C Only PVC plastics
D All types of plastic waste including microplastics
3488.
Which institution has developed a novel bio-remediation agent for plastic waste degradation?
A Indian Institute of Science (IISc) Bengaluru
B Indian Institute of Technology (IIT) Bombay
C Indian Institute of Technology (IIT) Madras
D National Chemical Laboratory (NCL) Pune
3489.
What is a notable feature of INS Vajra's design for underwater operations?
A Basic sonar systems
B Advanced sonar systems, electronic warfare suites, and robust hull design
C Limited maneuverability
D Reliance on external communication for navigation
3490.
The commissioning of INS Vajra will bolster the Indian Navy's ability to project power in which region?
A The Arctic Ocean
B The Indo-Pacific region
C The Atlantic Ocean
D The Mediterranean Sea