Explore topic-wise MCQs in Environmental Biotechnology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Biotechnology knowledge and support exam preparation. Choose a topic below to get started.

1.

Tolerant cyanobacteria strain has higher esterase activity.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following system is affected by pyrethroids?

A. Ovulation
B. Circulatory system
C. Nerves
D. Digestive system
Answer» B. Circulatory system
Discussion
3.

Pyrethroids are susceptible to microbial degradation.

A. True
B. False
Answer» B. False
Discussion
4.

Which of the following microbes can degrade carbaryl most efficiently?

A. <i>Pseudomonas melophthora</i>
B. <i>Sphingomonas paucimobilis</i>
C. <i>P. putida</i>
D. <i>E. coli</i>
Answer» B. <i>Sphingomonas paucimobilis</i>
Discussion
5.

Sphingomonas paucimobilis can degrade which of the following toxic compound?

A. Lindane
B. Carbon dioxide
C. Lithium
D. Magnesium
Answer» B. Carbon dioxide
Discussion
6.

Which of the following bacteria is not known to degrade Aldicarb insecticide?

A. <i>E. coli</i>
B. <i>P. putida</i>
C. <i>Bacillus sp.</i>
D. <i>Mucor sp.</i>
Answer» E.
Discussion
7.

Which of the following fungi is not known to degrade DDT insecticide?

A. <i>Aspergillus niger</i>
B. <i>Mucor alternans</i>
C. <i>Penicillium sp.</i>
D. <i>Bacillus cereus</i>
Answer» E.
Discussion
8.

Which of the following microbes are known to degrade xenobiotic compounds?

A. Planktonic algae
B. Cyanobacteria
C. Fungi
D. Goldfish
Answer» E.
Discussion
9.

Which of the following doesn t use microbial degradation method?

A. Sewage sludge
B. Pesticide disposals
C. Polluted water
D. Redox potential
Answer» E.
Discussion
10.

Which of the following is the best method to degrade xenobiotic compounds?

A. Microbial degradation
B. Chemical degradation
C. Water degradation
D. Physical agents
Answer» B. Chemical degradation
Discussion