Gene Transfer in Plants MCQs

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

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Gene Transfer in Plants MCQs | Page 2 of 15

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Q11.
Which of the following is true about T DNA?

a.

Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA

b.

Integration of T DNA occurs only at one specific sites in the plant nuclear DNA

c.

Integration of T DNA occurs at two specific sites in the plant nuclear DNA

d.

Integration of T DNA occurs at one site that may be random in the plant nuclear DNA

Discuss
Answer: (a).Integration of T DNA can occur at many different, apparently random, sites in the plant nuclear DNA
Q12.
Which of the following is not true about the direct repeats flanking T-DNA?

a.

They are conserved between nopaline and octopine Ti-plasmids

b.

These repeats are transferred intact to the plant genome

c.

These are important in integration mechanism

d.

all of the above

Discuss
Answer: (b).These repeats are transferred intact to the plant genome
Q13.
The left segment of octopine T-DNA (TL) is necessary for

a.

enzymes for agropine biosynthesis

b.

tumour formation

c.

conjugative transfer

d.

all of these

Discuss
Answer: (b).tumour formation
Q14.
Microprojectile method of gene transfer in plants involves delivery of DNA

a.

with the help of micromanipulator

b.

with the help of bolistics

c.

with the help of needles

d.

any of the above

Discuss
Answer: (b).with the help of bolistics
Q15.
Which of the following genes are constitutively expressed and control the plant induced activation of other vir genes?

a.

vir A and vir G

b.

vir C and vir D

c.

vir B and vir E

d.

vir A and vir B

Discuss
Answer: (a).vir A and vir G
Q16.
Integrated octopine T DNA occurs as

a.

single segment

b.

two segments

c.

three segments

d.

four segments

Discuss
Answer: (b).two segments
Q17.
Liposomes mediated gene transfer in plants involves

a.

plasmid DNA enclosed in a lipid bag

b.

fusion of liposomes with protoplast

c.

use of polyethylene glycol (PEG)

d.

all of the above

Discuss
Answer: (d).all of the above
Q18.
Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?

a.

Acetosyringone

b.

ฮฑ-hydroxy syringone

c.

Both (a) and (b)

d.

None of these

Discuss
Answer: (c).Both (a) and (b)
Q19.
In a plant tumour cell

a.

complete Ti plasmid is incorporated in plant nuclear DNA

b.

different parts of the Ti-plasmid are incorporated

c.

only a small specific segment of callus T DNA is incorporated

d.

may vary from plant to plant

Discuss
Answer: (c).only a small specific segment of callus T DNA is incorporated
Q20.
Co-integrating transformation vectors must include a region of homology in

a.

the vector plasmid

b.

the Ti-plasmid

c.

between vector plasmid and Ti-plasmid

d.

none of these

Discuss
Answer: (c).between vector plasmid and Ti-plasmid
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