Biodegradable Polymers MCQs | Engineering Chemistry

Prof. Fazal Rehman Shamil
Last modified on August 23rd, 2021

Biodegradable Polymers MCQs | Engineering Chemistry

If hydrophilicity of the polymers is greater, then what will be the rate of the biodegradation?

(A)  Larger

(B)   Smaller

(C). None of these

Multiple Choice Question Answer:  a

Biodegradation will be more for which of the following?

(A )   None of these .

(B).  Low molecular weights and high crystallinity

(C).  More molecular weights and less crystallinity

(D).  More molecular weights and high crystallinity

(E). Low molecular weights and less crystallinity

Multiple Choice Question Answer:  d

Not required for the biodegradation process is __________

(A)..  Substrate

(B).  Environment conditions

(C).  Micro-organism

(D Adhesives

(E). None of these

Multiple Choice Question Answer:  d

Not an example of a natural biodegradable polymer is ____________

(A).  Collagen

(B).  Polyvinyl alcohol

(C ).  Lignin

(D).  Natural rubber

(E). None of these

Multiple Choice Question Answer:  b

The Biodegradable polymers do not need to be land-filled, over the time they can re-enter the normal geo-chemical cycles.

(A )True

(B).  False

(C). Partially True

Multiple Choice Question Answer:  a

The PHB is used in which of the following?

(A)   Adhesives

(B).  Medical applications

(C).   Agricultural applications

(D)  Manufacture of shampoo bottles

(E). None of these

Multiple Choice Question Answer:  d

Not an example of synthetic biodegradable polymer is _________

(A).  Polyvinyl alcohol

(B). None of these

(C).  Polyanhydrides

(D).  Poly gamma-glutamic acid

(E ).  PHBV

Multiple Choice Question Answer:  b

The incorrect statement from the following is that The Biodegradable polymers are _________

(A).  never suitable candidates in the recycling of the commingled plastics

(B).  very expensive

(C).  not easily available

(D).   easily available

(E).  None of these

Multiple Choice Question Answer:  d

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