Explore topic-wise MCQs in Environmental Biotechnology.

This section includes 9 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.

The process by which the methanogens produce methane is called _______

A. Bio-methanation
B. Bio-luminescence
C. Bio-leaching
D. Bio-fortification
Answer» B. Bio-luminescence
2.

Which of the following doesn t include the activity of microorganisms?

A. Bio-magnification
B. Bio-remediation
C. Bio-degradation
D. Bio-leaching
Answer» B. Bio-remediation
3.

Which of the following bacteria can generate electricity, thereby reducing the environmental toxic pollutants?

A. <em>Thermus aquaticus</em>
B. <em>Bacillus thuringenesis</em>
C. <em>Shewanella</em>
D. <em>Mycobacterium tuberculosis</em>
Answer» D. <em>Mycobacterium tuberculosis</em>
4.

Which of the following is a bio-indicator of metal pollution?

A. <em>Mytilus edulis</em>
B. <em>E.coli</em>
C. Lichens
D. Microalage
Answer» B. <em>E.coli</em>
5.

The increase of toxicity level, when we go from lower cellular complexities to higher cellular complexities is called as _____

A. Bio-magnification
B. Quorum quenching
C. Quorum requirement
D. Lyophilization
Answer» B. Quorum quenching
6.

Which among the following is a process of bio remediation?

A. Chemical Testing method
B. Most probable number method
C. Dissolved Oxygen method
D. Immobilization
Answer» E.
7.

The process that results in conversion of environmental contaminants into less toxic substances with the help of microbiological processes is called as ______

A. Bio-fortification
B. Bio-remediation
C. Bio-leaching
D. Microbiology
Answer» C. Bio-leaching
8.

What is the cause behind irrecoverable environmental damage?

A. Oil spills in sea
B. Afforestation
C. Sewage
D. Biogas
Answer» B. Afforestation
9.

Which contaminants among the following leads to environment pollution?

A. CO<sub>2</sub>
B. Heavy metals and explosive
C. Fertilizer
D. Methane gas
Answer» C. Fertilizer