Microbial Metabolism MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microbial Metabolism, a fundamental topic in the field of Microbiology. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Microbial Metabolism 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 Microbial Metabolism mcq questions that explore various aspects of Microbial Metabolism problems. Each MCQ is crafted to challenge your understanding of Microbial Metabolism principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Microbiology tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Microbial Metabolism MCQs are your pathway to success in mastering this essential Microbiology topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Microbial Metabolism. 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 Microbial Metabolism knowledge to the test? Let's get started with our carefully curated MCQs!

Microbial Metabolism MCQs | Page 9 of 20

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Q81.
The synthesis of polynucleotide chain of mRNA is catalyzed by the enzyme _____________

a.

RNA helicase

b.

RNA polymerase

c.

DNA polymerase

d.

DNA helicase

Discuss
Answer: (b).RNA polymerase
Q82.
Which of the following is responsible for the initiation of RNA polymerase activity?

a.

initiation site

b.

promoter region

c.

sigma factor

d.

rho factor

Discuss
Answer: (c).sigma factor
Q83.
Rho factor is a dimeric protein factor.

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (b).False
Q84.
The following code codes for which of the amino acid respectively?
AUG and GUG

a.

Phenylalanine,tyrosine

b.

Methionine,valine

c.

Methionine,alanine

d.

Lysine,valine

Discuss
Answer: (b).Methionine,valine
Q85.
Which of the following are non-sense codons?

a.

AUG

b.

GUG

c.

UAA

d.

UCU

Discuss
Answer: (c).UAA
Q86.
During the carboxylation phase of the Calvin cycle, CO2 combines with

a.

ribulose 1,5 - bisphosphate

b.

phosphoglyceraldehyde

c.

pyruvic acid

d.

oxaloacetic acid

Discuss
Answer: (a).ribulose 1,5 - bisphosphate
Q87.
Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

a.

Sulfate-reducing bacteria

b.

Methanotrophs (methane-oxidizing microbes)

c.

Methanogens (methane-producing microbes)

d.

Acetogens (acetigens; acetate-producing microbes)

Discuss
Answer: (c).Methanogens (methane-producing microbes)
Q88.
In the passive diffusion, solute molecules cross the membrane as a result of

a.

concentration difference

b.

pressure difference

c.

ionic difference

d.

all of these

Discuss
Answer: (a).concentration difference
Q89.
In an oxygenic photosynthesis, the green and the purple bacteria do not use which of the following one as an electron source?

a.

H2O

b.

H2

c.

H2S

d.

S (elemental sulphur)

Discuss
Answer: (a).H2O
Q90.
Radioisotopes are frequently used in the study of cells. Assume a culture of E. coli is grown in a culture medium containing radioactive phosphorous. At the end of 48 hours, it is expected to find the radioactive label located in

a.

enzymes

b.

RNA

c.

phospholipids

d.

all of these

Discuss
Answer: (d).all of these
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