- A) single database entry for DNA only
- B) single database entry for DNA only
- C) single database entry for Protein only
- D) multiple database entry for DNA/Protein
GATE Biotechnology
Total MCQ: 47
32 Somatic cell gene transfer is used for
- A) transgenic animal production
- B) transgenic diploid cell production
- C) in-vitro fertilization
- D) classical breeding of farm animals
33 Lymphocytes interact with foreign antigens in
- A) Bone marrow
- B) Peripheral blood
- C) Thymus
- D) Lymph nodes
34 A neonatally thymectomized mouse, immunized with protein antigen, shows
- A) both primary and secondary responses to the antigen
- B) only primary response
- C) delayed type hypersensitive reactions
- D) no response to the antigen
35 Interferon-β is produced by
- A) bacteria infected cells
- B) virus infected cells
- C) both virus and bacteria infected cells
- D) fungi infected cells
36 A culture of bacteria is infected with bacteriophage at a multiplicity of 0.3. The probability of a single cell infected with 3 phages is
- A) 0.9
- B) 0.27
- C) 0.009
- D) 0.027
37 An example for template independent DNA polymerase is
- A) DNA Polymerase I
- B) RNA polymerase
- C) Terminal deoxynucleotidyl transferase
- D) DNA polymerase III
38 Which one of the following DOES NOT belong to the domain of Bacteria?
- A) Cyanobacteria
- B) Proteobacteria
- C) Bacteroids
- D) Methanobacterium
39 Under stress conditions bacteria accumulate
- A) ppGpp (Guanosine tetraphosphate)
- B) pppGpp (Guanosine pentaphosphate)
- C) both ppGpp and pppGpp
- D) either ppGpp or pppGpp
40 In transgenics, alterations in the sequence of nucleotide in genes are due to
- A) Substitution (P)
- B) Deletion (Q)
- C) Insertion (R)
- D) Rearrangement (S)