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Bioinformatics
1000 Molecular Biology
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Q.1
What is Molecular Biology?
a) Deals with the physical structures and processes of biological events
b) Deals with the chemical structures and processes of chemical events
c) Deals with the physical structures and processes of chemical events
d) Deals with the chemical structures and processes of biological events
Q.2
Which of the following is DNA made up of?
a) Adenine – Guanine
b) Cytosine – Thymine
c) Both Adenine – Guanine & Cytosine – Thymine
d) None of the mentioned
Q.3
Who is known as the father of Molecular biology?
a) Linus Carl Pauling
b) James Watson
c) Francis H. Crick
d) Mahlon B. Hoagland
Q.4
Proteins are made up of which of the following?
b) Amino acids
c) Nuclease
d) None of the mentioned
a) Nucleic acids
Q.5
Which of the following is RNA made up of?
a) Adenine, Cytosine, Guanine, and Uracil
b) Adenine, Guanine, Cytosine, and Thymine
c) Adenine, Guanine, Uracil, and Thymine
d) Adenine, Uracil, Cytosine, and Thymine
Q.6
Which of the following is a type of RNA involved in protein synthesis?
a) snRNA
b) rRNA
c) yRNA
d) dsRNA
Q.7
How many unusual bases are observed in a tRNA molecule?
a) 1
b) 3
c) 5
d) 0
Q.8
What is the correct pair of the four segments (RRRand R4)?
a) R1 and R2, R3 and R4
b) R2 and R3, R1 and R4
c) R1 and R3, R2 and R4
d) R2 and R1, R3 and R4
Q.9
What is the resolution?
a) Exchange of DNA fragments
b) Heterochromatin structure formation
c) Regeneration of duplex DNA molecule
d) Cleavage of holiday junction
Q.10
Which two Uvr component molecules scan the DNA during nucleotide excision repair?
a) UvrB, UvrC
b) UvrC, UvrA
c) UvrD, UvrA
d) UvrA, UvrB
Q.11
In the following type of libraries pick the odd one out.
a) cDNA library
b) A DNA library
c) Z DNA library
d) B DNA library
Q.12
Which of the following parts of the mRNA determines the specificity of the amino acid attached?
a) Acceptor stem
b) D loop
c) ΨU loop
d) Variable loop
Q.13
Which of the following is not true about nucleotides?
a) Energy rich molecules
b) Monomeric units
c) Ubiquitous substances
d) Non enzymatic molecules
Q.14
Which of the following is wrongly paired?
a) Nucleic acid – hydrogen bond
b) Polysaccharide – glycosidic bond
c) Proteins – peptide bond
d) Phospholipids –phosphate linkage
Q.15
Which of the following factors do not provide to the separation of DNA fragments during electrophoresis?
a) Size
b) Matrix density
c) Chargaff’s rule
d) Ethidium bromide
Q.16
Which of the following is the slowest process among the following?
a) Splicing
b) Translation
c) Transcription
d) Replication
Q.17
Which of the following function of DNA is necessary for the purpose of evolution?
a) Mutation
b) Replication
c) Translation
d) Transcription
Q.18
Which of the following is not a component of the nucleic acid backbone?
a) Nucleotide
b) Phosphate group
c) Pentose sugar
d) Phosphodiesterase bond
Q.19
Which of the following does not take part in gene expression?
a) Transcription
b) RNA processing
c) Replication
d) Translation
Q.20
Which of the following is a character of ORF?
a) Non – overlapping
b) 3 – nucleotide codons
c) Contiguous
d) Intron
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