Explore topic-wise MCQs in Environmental Biotechnology.

This section includes 14 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.

Which among the following is not a caused due to presence of heavy metals in the soil micro-biome during a remediation process?

A. Increased mobilization of heavy metals
B. Inhibition of biological processes
C. Iron precipitation
D. Increase in soil fertility
Answer» E.
2.

If the majority of the mechanism of bio-remediation process is an anaerobic process, then oxygen presence becomes toxic.

A. True
B. False
Answer» B. False
3.

Some soil remediation processes enhance the presiding micro-bacteria and bio-augment the clean-up process by adding fungi to the respective soil.

A. True
B. False
Answer» B. False
4.

Aerobic bio degradation has a minimum oxygen requirement of __________

A. 0.5 mg/litre
B. 2 mg/litre
C. 1 mg/litre
D. 1.5 mg/litre
Answer» C. 1 mg/litre
5.

Bioaugmentation requires the introduction of selected microbes to bring about the remediation process.

A. True
B. False
Answer» B. False
6.

Bio enhancement stimulates the existing micro fauna by ______

A. Manipulating the local environmental conditions
B. Entering the food chain
C. Increasing dissolved oxygen
D. Producing methane gas
Answer» B. Entering the food chain
7.

Functional biology is usually described as a process of bio enhancement (and/or) ____________

A. Bio augmentation
B. Bio-accumulation
C. Bio-degradation
D. Bio-magnification
Answer» B. Bio-accumulation
8.

Which of the following treatment options is not suitable for areas where contaminants don t cause a potential harm to human health and the environment?

A. Natural attenuation
B. Passive remediation
C. Bio attenuation
D. Live attenuated
Answer» E.
9.

Which among the following does not determine the suitability of soil remediation?

A. Nutrient availability
B. Presence of other inhibitory contaminants
C. Oxygenation
D. Pathogens
Answer» E.
10.

Which of the following type of soil is suitable for soil remediation?

A. Peaty Soil
B. Sandy soil
C. Less or no organic content soil
D. Soil with gravels
Answer» B. Sandy soil
11.

20-30 C is the ideal range for bioremediation as it optimizes _______

A. Enzyme activity
B. Temperature
C. Pressure
D. pH
Answer» B. Temperature
12.

What is the preferable range of temperature for bioremediation by soil microorganisms?

A. 0-50 C
B. 50-60 C
C. 80-100 C
D. 120-150 C
Answer» B. 50-60 C
13.

Bio remediation does not rely on the natural abilities of soil micro-organisms.

A. True
B. False
Answer» C.
14.

Which among the following is not considered as the principal environmental factor?

A. pH
B. Temperature
C. Soil type
D. Pressure
Answer» E.