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.

What is the major advantage of three-tire vermi-culture technology?

A. It can be applied to both solid and liquid wastes
B. It cannot be applied to both solid and liquid wastes
C. It involves chemical treatment
D. It can degrade organic wastes
Answer» B. It cannot be applied to both solid and liquid wastes
2.

Which of the following is not a method of worm cast harvesting or manufacturing?

A. Homogenization
B. Active feeding
C. Drying under adequate light
D. Separation of cocoons
Answer» B. Active feeding
3.

Earthworms subsidize to the burial of wastes?

A. True
B. False
Answer» B. False
4.

Which of the following cannot be established properly in the field?

A. <i>Eisenia foetida</i>
B. <i>Perionyx</i>
C. <i>Epifilis</i>
D. <i>Aneciques</i>
Answer» B. <i>Perionyx</i>
5.

Which of the following species is most stable in Indian conditions?

A. <i>Perionyx</i>
B. <i>Epifilis</i>
C. <i>Endogens</i>
D. <i>Aneciques</i>
Answer» B. <i>Epifilis</i>
6.

Which of the following species has a shorter body size?

A. <i>Epifilis</i>
B. <i>Endogens</i>
C. <i>Aneciques</i>
D. <i>Eudrilus</i>
Answer» B. <i>Endogens</i>
7.

Which of the following species of earthworms is not suitable for Vermicomposting?

A. <i>Epifilis</i>
B. <i>Endogens</i>
C. <i>Aneciques</i>
D. <i>Plasmodium</i>
Answer» E.
8.

Which among the following is not a major reason for choosing earthworms for Vermicomposting?

A. Low incubation time
B. Digestion rate
C. Adaptability
D. Low growth rate
Answer» E.
9.

Which of the following is not a major objective of Vermicomposting?

A. To elevate the value of original material
B. To accelerate the rate of degradation
C. To obtain toxic products
D. To obtain products free of any pollutants
Answer» D. To obtain products free of any pollutants
10.

Which of the following methods uses earthworms during composting?

A. Vermicomposting
B. Vertical composting
C. Windrow composting
D. Burning
Answer» B. Vertical composting