Organisms and Genetic Engineering MCQs

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

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

Organisms and Genetic Engineering MCQs | Page 4 of 19

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Q31.
Which of the bacteria are used as hosts?

a.

Gram-positive

b.

Gram-negative

c.

Both gram positive and negative are preferred equally

d.

Both can be used but gram positive is preferred

Discuss
Answer: (d).Both can be used but gram positive is preferred
Q32.
Basically, there are how many methods for introduction of DNA into the bacterial cells?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q33.
Gram-positive Bacillus, Streptococcus and Streptomyces include species that don’t exhibit natural competence.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q34.
Competence is determined by the excretion into growth medium of _______ & _________ proteins called as competence proteins.

a.

cellular & high molecular weight

b.

cellular & low molecular weight

c.

extracellular & low molecular weight

d.

extracellular & high molecular weight

Discuss
Answer: (c).extracellular & low molecular weight
Q35.
Natural transformation can be relieved by the use of protoplasts, in the presence of osmotic buffer and polyethylene glycol. What are protoplasts?

a.

Protoplasts are the cells from which cell membrane has been removed

b.

Protoplasts are the cells from which cell wall has been removed

c.

Protoplasts are the cells from which vacuole has been removed

d.

Protoplasts are the cells from which golgi bodies are removed

Discuss
Answer: (b).Protoplasts are the cells from which cell wall has been removed
Q36.
Transfer of plasmids from one cell to another can also be done conjugation. The plasmid to be transferred known as ______ is often unable to do so by itself and thus it relies on other plasmids known as ______

a.

cargo, conjugal

b.

conjugal, cargo

c.

cargo, helper

d.

conjugal, helper

Discuss
Answer: (a).cargo, conjugal
Q37.
The transfer of plasmid from one bacterial cell to another when cargo and conjugal plasmids are used, it is usually is carried out by _____ mating.

a.

diparental

b.

uniparental

c.

triparental

d.

multiparental

Discuss
Answer: (c).triparental
Q38.
One of the commonly used markers is the URA3 gene. It encodes for ______ biosynthesis.

a.

adenine

b.

uracil

c.

guanine

d.

cytosine

Discuss
Answer: (b).uracil
Q39.
CAN1 gene encodes a permease that causes uptake of _________ analogue.

a.

toxic guanidine

b.

toxic arginine

c.

non-toxic guanidine

d.

non-toxic arginine

Discuss
Answer: (b).toxic arginine
Q40.
Loss of SUP4 abolishes canavanine uptake, it is arginine analogue.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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