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
0 h : 0 m : 1 s