List of top Biotechnology Questions on Molecular Biology asked in AP PGECET

Site-directed mutagenesis is commonly used to:
Which of the following techniques uses temperature cycling for DNA amplification?
Which of the following vectors can accommodate the largest foreign DNA insert?
The plasmid pBR322 contains two antibiotic resistance genes:
Polymerases are available with proof reading activity. Which of the following are the characteristics of these types of polymerases?
Which one of the following tools of recombinant DNA technology is INCORRECTLY paired with its applications?
In DNA replication, the leading strand is synthesized:
The central dogma of molecular biology describes:
Which of the following statements about prions is true?
Which enzyme allows retroviruses to transcribe RNA into DNA?
All the statements are true regarding RFLP and RAPD except
A colour-blind mother and normal father would have
.................... enzyme that catalyzes the transfer of the gamma-phosphate from ATP to the 5'-OH group of single- and double-stranded DNA, RNA, oligonucleotides, and nucleoside 3'-monophosphates.
Enzymes that remove nucleotides one at a time from the end of a DNA molecule are called
Which of the following transcribes protein-coding genes in plants?
Error-free repair of double strand breaks in DNA is accomplished by
Which of the following can be used as a measure to construct a linkage map of the Hfr chromosome?
RNA interference helps in
What is the size of the human genome?
Which of the following function of DNA is necessary for the purpose of evolution?
The presence of transposons can lead to genome instability due to their ability to cause ..........
Polymorphism in RAPD is observed because ................
The melting temperature (Tm) of DNA is higher when the content of
Lack of independent assortment of two genes is due to .............
Cell division occurs in ............