List of top Biotechnology Questions asked in GAT-B

Aroma in rice is due to which of the following compounds?

Which one of the following techniques can be used to overcome pre-fertilization barrier between two plant species?

Which one of the following activities is associated with Reverse transcriptase enzyme?

Which of the following statements is NOT true about Adjuvants?

The difference between a cosmid and a plasmid is the presence of which one of the following additional features in a cosmid?

Which one of the following DNA sequences can act as genetic markers?

Which one of the following vaccine was developed by Louis Pasteur?

Here are four statements about Major Histocompatibility Complex (MHC).
A. MHC-I is expressed by nearly all nucleated cells
B. MHC-II is expressed by antigen presenting cells and they present antigen to cytotoxic T cells
C. Only Helper T cells and not the cytotoxic T cells can recognize antigen in complex with MHC-II
D. Natural Killer cells express a variety of receptors that engage with MHC-II
Which of the above statement(s) is true?

Which one of the following statements about central memory T cells is true?

Several DNA viruses can cause latent infection by their ability to

A virus-X requires endocytosis for infection and replicates in the cytosol. De-proteinized genome of the virus is non-infectious. X is a

Eclipse period in a virus infection is defined as the time

The first virus to be discovered was

Which among the following enzymes enables integration of the retroviral genome into the host genome?