Practice Genetic Engineering Multiple Choice Questions with Answers Quiz-1

Q.1.

Reverse transcriptase

enzyme that transcribes RNA into DNA
no
no
no

Q.2.

Restriction endonuclease

enzyme that snips DNA at palindromes
no
no
no

Q.3.

Taq polymerase

thermostable enzyme for synthesizing DNA
no
no
no

Q.4.

RNAi

complementary strand that blocks mRNA expression
no
no
no

Q.5.

Template strand

strand of nucleic acid that is transcribed or translated
no
no
no

Q.6.

What is recombinant DNA

DNA from 2 different organisms combined
DNA from 2 different ribosomes
DNA that is separated out from a vector

Q.7.

GMO stands for

Genetically Made Organism
Growing More Organisms
Genetically Modified Organism
Growing Many Organisms

Q.8.

Nucleic acid probe

oligonucleotide used in hybridization
no
no
no

Q.9.

What is removed from the chromosome of an animal cell during Genetic Engineering?

Gene
Plasmid
Nucleus
Ribosome

Q.10.

DNA fingerprinting works because

Most genes are dominant
All organisms contain RNA
The most important genes are different among most people
No two people, except identical twins, have exactly the same DNA

Q.11.

The process of making changes in the DNA code of a living organism is called

selective breeding
genetic engineering
inbreeding
hybridization

Q.12.

A mutation

is always bad for an organism
is always good for an organism
is a change in an organism's DNA
never changes an organism

Q.13.

What is the purpose of PCR?

To produce millions of copies of DNA.
To produce millions of copies of a specific region of DNA
To add nucleotides to a DNA sequence
To watch polymerase work.

Q.14.

Polymerase chain reaction is used to

determine the sequence of DNA.
make copies of a DNA sequence.
selectively breed plants and animals.
produce mutations in bacteria.

Q.15.

DNA containing genes from a foreign donor

plasmid
restriction enzymes
recombinant DNA
gene

Q.16.

A molecule containing DNA from two different organisms is called

a plasmid.
a polyploid.
a hybrid organism.
recombinant DNA.

Q.17.

Nontemplate strand

the nontranslated stradn of DNA or RNA
no
no
no

Q.18.

Genetic engineering has been used to produce

medicines.
food animals.
improved crops.
all of these.

Q.19.

In which ways can genetic engineering can improve crops

Make them pest or drought resistant
Make them more nutritious
Make them larger
All answers are correct

Q.20.

Gel electrophoresis enables scientists to

separate DNA fragments.
combine DNA fragments.
count the genes in DNA.
insert DNA in cells.

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