Molecular Basis of Inheritance: NEET MCQs Test – 1 19

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Molecular Basis of Inheritance NEET Questions (MCQ) | Molecular Basis of Inheritance Class 12 NEET Questions | Online Test 01

Molecular Basis of Inheritance: MCQs Quiz - 1

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Question 1
DNA is made of two chains that twist about one another in the shape of a _______.
A
Broken ladder
B
Straight ladder
C
Straight spiral
D
Double helix
Question 2
Satellite DNA is useful tool in
A
Genetic engineering
B
Organ transplantation
C
Sex determination
D
Forensic science
Question 3
Enzymes called ______ add complementary nucleotides, floating inside the nucleus.
A
DNA polymerase
B
DNA synthetase
C
Lipoprotein lipase
D
None of these
Question 4
If the total amount of adenine and thymine in a double-stranded DNA is 45%, the amount of guanine in this DNA will be
A
22.5%
B
27.5%
C
45%
D
55%
Question 5
Repressor proteins are coded for by ______ genes.
A
Structural
B
Operator
C
Promoter
D
Regulator
Question 6
The one aspect which is not a salient feature of genetic code, is its being
A
Specific
B
Degenerate
C
Ambiguous
D
Universal
Question 7
RNA molecules that act as enzymes are called ribozymes.
A
Polymerase
B
Ribozymes
C
Transcriptase
D
Both (A) and (B)
Question 8
In history of biology, human genome project led to the development of?
A
Bioinformatics
B
Biosystematics
C
Biotechnology
D
Biomonitoring
Question 9
RNA polymerase is only capable of catalyzing the process of ______.
A
Termination
B
Elongation
C
Initiation
D
All of the above
Question 10
The organelles in the cell where protein synthesis occurs are ______.
A
Ribosomes
B
Endoplasmic reticulum
C
Nucleus
D
mRNA
Question 11
HIV is classified as a retrovirus because its genetic information is carried in
A
DNA instead of RNA
B
DNA
C
RNA instead of DNA
D
Protein coat
Question 12
The primary control of gene expression takes place at the level of
A
Translation
B
Transcription
C
DNA-replication
D
None of the above
Question 13
Okazaki is known for his contribution to the understanding of
A
Transcription
B
Translation
C
DNA replication
D
Mutation
Question 14
What is not true for genetic code?
A
It is unambiguous
B
A codon in mRNA is read in a non-contiguous fashion
C
It is nearly universal
D
It is degenerate
Question 15
DNA sequence that code for protein are known as
A
Introns
B
Exons
C
Control regions
D
Intervening sequences
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19 thoughts on “Molecular Basis of Inheritance: NEET MCQs Test – 1”

  • Reply ↓
    Tigaangam Thaimei

    We have a formula: Adenine =Thymine and Guanine =Cytosin.

    Adenine + Thymine=45%
    The remaining is 55%
    Since, G=C
    55/2=27.5
    (Guanine =27.5 and Cytosin =27.5)

  • Reply ↓
    sharmila

    i’m new to ncert and neet syllabus,….it just make me confident that i can answer some of the questions…..and its good to test yourself when u r gonna feel yourself little low to what u mean to