Bioleaching and Biomining MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Bioleaching and Biomining, a fundamental topic in the field of Environmental Biotechnology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Bioleaching and Biomining MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Bioleaching and Biomining mcq questions that explore various aspects of Bioleaching and Biomining problems. Each MCQ is crafted to challenge your understanding of Bioleaching and Biomining principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Environmental Biotechnology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Bioleaching and Biomining MCQs are your pathway to success in mastering this essential Environmental Biotechnology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Bioleaching and Biomining. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Bioleaching and Biomining knowledge to the test? Let's get started with our carefully curated MCQs!

Bioleaching and Biomining MCQs | Page 4 of 6

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Q31.
Which fatty acids can’t be used as a biofuel directly?

a.

Ionic nature of carbonyl groups

b.

Hydrophobic nature

c.

If degree of saturation is high

d.

Variation of length

Discuss
Answer: (a).Ionic nature of carbonyl groups
Q32.
Which of these is not one of the main biomass feedstocks?

a.

Sugar

b.

Starch

c.

Lignocellulose

d.

Hemicellulose

Discuss
Answer: (d).Hemicellulose
Q33.
Which of these is not a direct treatment on hemicellulose?

a.

Cellulase production

b.

Hexose fermentation

c.

Syngas fermentation

d.

Pentose fermentation

Discuss
Answer: (c).Syngas fermentation
Q34.
Which of these are acetotropic methanogens?

a.

Methanoculleus thermophilicus, Methanosphaera stadtmanii

b.

Methanosarcina thermophila, Methanosaeta concilii

c.

Methanosarcina thermophila, Methanosphaera stadtmanii

d.

Methanoculleus thermophilicus, Methanosarcina thermophila

Discuss
Answer: (b).Methanosarcina thermophila, Methanosaeta concilii
Q35.
Which of these bacteria is a redox mediator in microbial fuel cells?

a.

Pseudomonas aeruginosa

b.

Geothrix ferementans

c.

Desulfuromonas acetoxidans

d.

Shewanella oneidenensis

Discuss
Answer: (b).Geothrix ferementans
Q36.
Which has the correct descending order of Inhibitory Capacity?

a.

Propionic > Butyric > Acetic > Lactic

b.

Propionic > Acetic > Butyric > Lactic

c.

Lactic > Butyric > Acetic > Propionic

d.

Lactic > Acetic > Butyric > Propionic

Discuss
Answer: (a).Propionic > Butyric > Acetic > Lactic
Q37.
Which of the following is an undesirable microbe in endogenic silage microorganism with simple sugar as the substrate?

a.

Homolactic

b.

Propionic acid bacteria

c.

Heterolactic

d.

Yeast

Discuss
Answer: (d).Yeast
Q38.
Which of following is not a focus in conversing microbial communities to biofuel?

a.

Substrate Flexibility

b.

High productivity

c.

Higher number of products in one process

d.

Tolerance to stress

Discuss
Answer: (c).Higher number of products in one process
Q39.
At which step in the below diagram, phosphorus is released?

a.

Incineration

b.

Ash

c.

Bioleaching

d.

Anaerobic digestion

Discuss
Answer: (d).Anaerobic digestion
Q40.
Which of the following treatment involves addition of metal salts?

a.

Adsorption

b.

Chemical treatment

c.

Biological treatment

d.

Reverse osmosis

Discuss
Answer: (b).Chemical treatment
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