Biotechnology Principles and Processes: MCQs Test – 03 29

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NEET Biology Questions on Biotechnology – Principles and Processes| NEET Biotechnology Questions (MCQs) with Answers | Online Test No 03

NEET Biotechnology Questions : MCQs Test - 03

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Question 1
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)
Question 2
The two strands of DNA are held together by bonds of
A
Nitrogen
B
Oxygen
C
Hydrogen
D
Carbon
Question 3
There is a restriction endonuclease called EcoRI. What does "co" part in it stand for?
A
coli
B
colon
C
coelom
D
coenzyme
Question 4
Transgenic plants are developed by
A
Introducing foreign genes
B
Introducing gene mutations
C
Deleting certain chromosomes parts
D
Stopping spindle formation
Question 5
Cry genes or Bt genes are obtained from
A
Cotton pest
B
Tobacco plant
C
Bacillus thuringiensis
D
E - Coli
Question 6
Which enzyme is useful in genetic engineering?
A
DNAase
B
Amylase
C
Lipase
D
Restriction endonuclease
Question 7
Which is related to genetic engineering?
A
Plastid
B
Plasmid
C
Heterosis
D
Mutation
Question 8
Which of the following enzyme joints the okazaki fragments?
A
DNA polymerase
B
DNA ligase
C
Helicase
D
Restriction endonuclease
Question 9
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
Question 10
Which of the following is a genetic vector?
A
Plasmid
B
Phage
C
Cosmid
D
All of these
Question 11
Which of the following is related to genetic engineering?
A
Mitochondrion
B
Golgi apparatus
C
Lysosome
D
Plasmid
Question 12
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
Question 13
Which of the following tool makes possible genetic engineering?
A
Restriction endonuclease
B
DNA polymerase
C
Helicase
D
RNA polymerase
Question 14
Which one contains four pyrimidine bases?
A
GATCAATGC
B
GCUAGACAA
C
UAGCGGUAA
D
TGCCTAACG
Question 15
Which one is found only in RNA?
A
Cytosine
B
Adenine
C
Uracil
D
Guanine
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29 thoughts on “Biotechnology Principles and Processes: MCQs Test – 03”

  • Reply ↓
    STRAWBERRY.ARCHANA

    @yamini: in this question u r asked about purine i.e. Adenine & guanine and pyrimidines i.e. thymine cytosine &uracil..so u can see which of them contain four pyrimidine base

  • Reply ↓
    yamini

    could you please explain ques 14? i’m really confused!

    • Reply ↓
      tribornee mitra

      in Q.14 AG is a purine and CT are pyrimidin. so in option A ders 2Ts n 2Cs.

  • Reply ↓
    SMITA Bernadet

    Question 10
    Which of the following is a genetic vector?
    Answer is wrong- its All of these. Please refer wikipedia.

    • Reply ↓
      Administrator

      Smita, Thanks for the feedback.
      Vector are agents such as a plasmid or a virus, which incorporate foreign DNA and transfer that DNA from one organism to another.

      Plasmids are circular DNA molecule called vectors in genetic engineering, usually found in bacteria. It can replicate independent of the main chromosome, commonly used in genetics and biotechnology to express particular genes.

      Phage vectors are evolved for cell targeted gene delivery and other properties suitable for gene therapy because of their genetic simplicity.

      Cosmid is a large vector which is made from a bacteriophage and used to clone genes or gene fragments.

    • Reply ↓
      pratik shekhar

      can anybody help me out with the first question

      • Reply ↓
        Ritu

        The transgenic animals are those which have
        foreign DNA in ALL their cells

      • Reply ↓
        Siri

        If its introduced nly in some of the cells dont U think that Original seq will think it as mutated or foreign n send those cells to Apoptosis. If we introduce foreign gene in all cells even though its foreign the cells’s funcrion wont be supressed. Think of homozygosity n heterozygosity for clear view of how genes work….. 😉