Explore topic-wise MCQs in SRMJEEE .

This section includes 94 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.

51.

Which one contains four pyrimidine bases?

A. GATCAATGC
B. GCUAGACAA
C. UAGCGGUAA
D. TGCCTAACG
Answer» B. GCUAGACAA
52.

Which of the following tool makes possible genetic engineering? 

A. Restriction endonuclease
B. DNA polymerase
C. Helicase
D. RNA polymerase
Answer» B. DNA polymerase
53.

Which of the following is used in Biowar?

A. A pathogen
B. Toxin from a pathogen
C. A delivery system for the bioweapon agent
D. All of these
Answer» E.
54.

Which of the following is related to genetic engineering?

A. Mitochondrion
B. Golgi apparatus
C. Lysosome
D. Plasmid
Answer» E.
55.

Which of the following is a genetic vector?

A. Plasmid
B. Phage
C. Cosmid
D. All of these
Answer» E.
56.

Which of the following features should be present in vector?

A. It should replicate autonomously
B. It should have its own origin of replication
C. It should possess restriction enzyme cleavage sites
D. All of these
Answer» E.
57.

Which of the following enzyme joints the okazaki fragments?

A. DNA polymerase
B. DNA ligase
C. Helicase
D. Restriction endonuclease
Answer» C. Helicase
58.

Which is related to genetic engineering?

A. Plastid
B. Plasmid
C. Heterosis
D. Mutation
Answer» C. Heterosis
59.

Which enzyme is useful in genetic engineering?

A. DNAase
B. Amylase
C. Lipase
D. Restriction endonuclease
Answer» E.
60.

Cry genes or Bt genes are obtained from

A. Cotton pest
B. Tobacco plant
C. Bacillus thuringiensis
D. E - Coli
Answer» D. E - Coli
61.

Transgenic plants are developed by

A. Introducing foreign genes
B. Introducing gene mutations
C. Deleting certain chromosomes parts
D. Stopping spindle formation
Answer» B. Introducing gene mutations
62.

There is a restriction endonuclease called EcoRI. What does "co" part in it stand for?

A. coli
B. colon
C. coelom
D. coenzyme
Answer» B. colon
63.

The two strands of DNA are held together by bonds of

A. Nitrogen
B. Oxygen
C. Hydrogen
D. Carbon
Answer» D. Carbon
64.

The transgenic animals are those which have

A. foreign DNA in some of their cells
B. foreign DNA in all of their cells
C. foreign RNA in all of their cells
D. Both (A) and (C)
Answer» C. foreign RNA in all of their cells
65.

The term gene was coined by

A. Mc Clintock
B. Morgan
C. Johannsen
D. De Duve
Answer» C. Johannsen
66.

The specific triplet of nitrogen bases on the transfer RNA is called

A. Codon
B. Anticodon
C. Genetic code
D. none of the above
Answer» C. Genetic code
67.

The process of RNA interference has been used in the development of plants resistant to

A. Insects
B. Nematodes
C. Fungi
D. Viruses
Answer» C. Fungi
68.

The plant 'Brassica napus' has been modified to produce ______.

A. Vitamin A
B. hirudin
C. lysine rich seeds
D. insulin
Answer» C. lysine rich seeds
69.

The nitrogen base which is absent in RNA is

A. Adenine
B. Cytosine
C. Guanine
D. Thymine
Answer» E.
70.

The most common substrate used in distilleries for the production of ethanol is

A. Molasses
B. Corn meal
C. Soya meal
D. Ground gram
Answer» B. Corn meal
71.

The first transgenic crop was

A. Pea
B. Tobacco
C. Flax
D. Cotton
Answer» C. Flax
72.

The first hormone artificially produced by bacteria is

A. insulin
B. thyroxin
C. adrenalin
D. testosterone
Answer» B. thyroxin
73.

The enzymes required to obtain wall-free / naked protoplasts are

A. Cellulase and proteinase
B. Cellulase and pectinase
C. Cellulase and amylase
D. Amylase and pectinase
Answer» C. Cellulase and amylase
74.

Structure involved in genetic engineering is

A. Plasmid
B. Codon
C. Plastid
D. Scissors
Answer» B. Codon
75.

Somatic hybridization is achieved through

A. Grafting
B. Protoplast fusion
C. Conjugation
D. Recombinant DNA technology
Answer» C. Conjugation
76.

Restriction endonucleases are used in genetic engineering, because

A. they can degrade harmful proteins
B. they can join DNA fragments
C. they can cut DNA at specific base sequences
D. they can cut DNA at variable sites
Answer» D. they can cut DNA at variable sites
77.

Restriction endonucleases are used in genetic engineering and they

A. cut DNA at various sites
B. join DNA segments
C. cut RNA at specific sites
D. cut DNA at specific sites
Answer» E.
78.

Polyethylene glycol is

A. Fusogenic chemical
B. Electro fusion stimulant
C. Callus stimulant
D. Differentiation stimulant
Answer» B. Electro fusion stimulant
79.

Plant tissue culture technique is a redefined method of ________

A. Hybridization
B. Vegetative propagation
C. Asexual reproduction
D. selection
Answer» C. Asexual reproduction
80.

One of the following processes involves southern blotting technique

A. rDNA technology
B. DNA finger printing
C. production of transgenic plants
D. formation of suspension culture
Answer» C. production of transgenic plants
81.

Maximum number of existing transgenic animals is of

A. Pig
B. Fish
C. Mice
D. Cow
Answer» D. Cow
82.

Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5' ______ GAATTC ________ 3' 3' ________CTTAAG ________ 5'

A. Palindromic sequence of base pairs
B. Replication completed
C. Deletion mutation
D. Start codon at the 5 end
Answer» B. Replication completed
83.

Genomics is the study of

A. Genes in general
B. Human genes
C. Genomes in general
D. Human genome
Answer» D. Human genome
84.

Genetic Engineering is

A. plastic surgery
B. addition or removal of genes
C. study of extranuclear genes
D. all of the above
Answer» C. study of extranuclear genes
85.

First artificial gene was synthesized by

A. Nirenberg
B. Mendel
C. Morgan
D. Khorana
Answer» E.
86.

Embryo culture is used for

A. Establishing suspension culture
B. Recovery of inter specific hybrids
C. Somatic hybridization
D. Haploid production
Answer» D. Haploid production
87.

Dolly, The first cloned mammal, was produced by

A. Parthenogenesis
B. Artificial fertilization
C. Replacement of zygote nucleus by somatic nucleus
D. in vitro fertilization
Answer» D. in vitro fertilization
88.

DNA is found in

A. Chromosomes
B. Plastids
C. Mitochondria
D. All of the above
Answer» E.
89.

DNA fingerprinting was discovered by

A. James Watson
B. Alec Jeffreys
C. Frederick Fanger
D. Hargobind Khorana
Answer» C. Frederick Fanger
90.

Which purine is found in RNA?

A. Guanine
B. Cytosine
C. Thymine
D. Uracil
Answer» B. Cytosine
91.

Continuous addition of sugars in 'fed batch' fermentation is done to

A. Degrade sewage
B. Produce methane
C. Obtain antibiotics
D. Purify enzymes
Answer» E.
92.

Agarose extracted from sea weeds finds use in

A. Gel electrophoresis
B. Spectrophotometry
C. Tissue culture
D. PCR
Answer» B. Spectrophotometry
93.

Advancement in genetic engineering has been possible due to the discovery of

A. Oncogenes
B. Transposons
C. Restriction endonuclease
D. Exonucleases
Answer» D. Exonucleases
94.

A dividing and undifferentiated mass of cells is called

A. Callus
B. Embryo
C. Explant
D. Zygote
Answer» B. Embryo