Explore topic-wise MCQs in Genetic Engineering.

This section includes 28 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

DNA can be injected into Caenorhabditis elegans by biolistic transformation. The injected DNA forms arrays of extrochromosomal copies which are stable in nature.

A. True
B. False
Answer» C.
Discussion
2.

Caenorhabditis elegans is a model organism of great importance in biological systems. It is a/an _________

A. algae
B. parasite
C. fungi
D. nematode
Answer» E.
Discussion
3.

Barstar is _________

A. RNAse
B. RNAse inhibitor
C. DNAse
D. DNAse inhibitor
Answer» C. DNAse
Discussion
4.

The ARG8m gene which produces an enzyme for arginine biosynthesis is located in _______ and is of ______ origin.

A. mitochondrial, nuclear
B. nuclear, mitochondrial
C. nuclear, nuclear
D. mitochondrial, mitochondrial
Answer» B. nuclear, mitochondrial
Discussion
5.

COX3 gene is a selectable marker. Choose the correct statement with respect to it.

A. It confers the ability to grow by anaerobic respiration
B. It confers the ability to grow by aerobic respiration
C. It confers the ability to grow in absence of uracil
D. It confers the ability to grow in lithium acetate medium
Answer» C. It confers the ability to grow in absence of uracil
Discussion
6.

Mutant strains of Saccharomyces cervevisiae in which endogenous DNA are deleted are called as _________

A. rho0
B. synthetic rho
C. rho+
D. rho-
Answer» B. synthetic rho
Discussion
7.

Chloroplast can be transferred through pollen in all crops.

A. True
B. False
Answer» C.
Discussion
8.

For transformation of the chloroplast of higher plants, a vector is used which ______ in the chloroplast.

A. doesn’t replicates
B. replicates
C. may or may not replicate
D. replicates under certain specified conditions
Answer» B. replicates
Discussion
9.

How many types of the chloroplast are there in Chlamydomonas?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
10.

Bacterial aadA gene is responsible for conferring resistance to _________

A. spectinomycin
B. streptomycin
C. ampicillin
D. spectomycin and streptomycin
Answer» E.
Discussion
11.

atpB encodes _______ subunit of ATP synthase, an enzyme used for generation of ______

A. beta, ADP
B. alpha, ATP
C. beta, ATP
D. alpha, ADP
Answer» D. alpha, ADP
Discussion
12.

Allotopic gene expression is the case when the presence of a normal gene in an organelle is not a problem in expression.

A. True
B. False
Answer» B. False
Discussion
13.

Atrazine is a herbicide and it acts on _________

A. reaction centre in photosystemI
B. reaction centre in photosytemII
C. reaction centre in both the photosystems
D. neither of the photosystems
Answer» C. reaction centre in both the photosystems
Discussion
14.

Mitochondrial genome encodes tRNAs ___________ and polypeptides involved in _______

A. mRNAs, oxidative phosphorylation
B. rRNAs, oxidative phosphorylation
C. rRNAs, reductive phosphorylation
D. mRNAs, reductive phosphorylation
Answer» C. rRNAs, reductive phosphorylation
Discussion
15.

MUTANT_STRAINS_OF_SACCHAROMYCES_CERVEVISIAE_IN_WHICH_ENDOGENOUS_DNA_ARE_DELETED_ARE_CALLED_AS:?$

A. rho0
B. synthetic rho
C. rho+
D. rho-
Answer» B. synthetic rho
Discussion
16.

The ARG8m gene which produces an enzyme for arginine biosynthesis is located in _______ and is of ______ origin.$

A. mitochondrial, nuclear
B. nuclear, mitochondrial
C. nuclear, nuclear
D. mitochondrial, mitochondrial
Answer» B. nuclear, mitochondrial
Discussion
17.

COX3_gene_is_a_selectable_marker._Choose_the_correct_statement_with_respect_to_it.$

A. It confers the ability to grow by anaerobic respiration
B. It confers the ability to grow by aerobic respiration
C. It confers the ability to grow in absence of uracil
D. It confers the ability to grow in lithium acetate medium
Answer» C. It confers the ability to grow in absence of uracil
Discussion
18.

DNA can be injected into Caenorhabditis elegans by biolistic transformation. The injected DNA forms arrays of extrochromosomal copies which are stable in nature. Is the given statement true or false?

A. True
B. False
Answer» C.
Discussion
19.

Caenorhabditis elegans is a model organism of great importance in biological systems. It is a/an:

A. algae
B. parasite
C. fungi
D. nematode
Answer» E.
Discussion
20.

Barstar_is:

A. RNAse
B. RNAse inhibitor
C. DNAse
D. DNAse inhibitor
Answer» C. DNAse
Discussion
21.

Chloroplast can be transferred through pollen in all crops. Is the given statement true or false?

A. True
B. False
Answer» C.
Discussion
22.

For transformation of chloroplast of higher plants, a vector is used which ______ in the chloroplast.

A. doesn’t replicates
B. replicates
C. may or may not replicate
D. replicates under certain specified conditions
Answer» B. replicates
Discussion
23.

How many types of chloroplast are there in Chlamydomonas?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
Discussion
24.

Bacterial aadA gene is responsible for conferring resistance to:

A. spectinomycin
B. streptomycin
C. ampicillin
D. spectomycin and streptomycin
Answer» E.
Discussion
25.

atpB encodes _______ subunit of ATPsynthase, an enzyme used for generation of ______

A. beta, ADP
B. alpha, ATP
C. beta, ATP
D. alpha, ADP
Answer» D. alpha, ADP
Discussion
26.

Allotopic gene expression is the case when the presence of a normal gene in an organelle is not a problem in expression. Is the given statement true or false?

A. True
B. False
Answer» B. False
Discussion
27.

Atrazine is a herbicide and it acts on:

A. reaction centre in photosystemI
B. reaction centre in photosytemII
C. reaction centre in both the photosystems
D. neither of the photosystems
Answer» C. reaction centre in both the photosystems
Discussion
28.

Mitochondrial genome encodes tRNAs, _____ and polypeptides involved in _______

A. mRNAs, oxidative phosphorylation
B. rRNAs, oxidative phosphorylation
C. rRNAs, reductive phosphorylation
D. mRNAs, reductive phosphorylation
Answer» C. rRNAs, reductive phosphorylation
Discussion