cells
:-Helper T-cells
C:-Cytotoxic T-cells
D:-Activated macrophage
Correct Answer:- Option-C
Question69:-The circulation of a two month old breast fed baby will contain
A: "ga"

"gb"
೦-10೯
0:- ५ 06".

Correct Answer:- Option-D
Question70:-An example of a known oncogenic virus is
A:-Herpes Zoster
B:-HIV-2
C:-Epstein-Barr
D:-Proteus Mirabilis
Correct Answer:- Option-C
Question71:-Which one of the following mast cell products is not performed and there fore has to be newly synthesized?
A:-Histamine
B:-Prostaglandin *"D_2"°
C:-Heparin
D:-Neutral protease
Correct Answer:- Option-B
Question72:-The mononuclear phagocyte system does not include
A:-Monocyte
B:-Kuffer cells
C:-Macrophages
D:-Endothelial cells
Correct Answer:- Option-D
Question73:-Unwinding of DNA is done by
A:-Helicase
B:-Ligase
C:-Hexonuclease
D:-Topoisomerase
Correct Answer:- Option-A
Question74:-The distortion in DNA helix is due to pyrimidine dimer formation is called as
A:-Nick
B:-SS breaks
C:-Kink
D:-None of these
Correct Answer:- Option-C
Question75:-The end products of translation are
A:-Aminoacids
B:-Lipids
C:-Polypeptide
D:-All these
Correct Answer:- Option-C
Question76:-The lac operon in E. coli is involved in
A:-Regulating the expression of gene
B:-Controlling DNA replication
C:-Regulating the translation of mRNA
D:-Controlling the formation of ribosomes
Correct Answer:- Option-A
Question77:-t-test was (student's t-test) was developed by
A:-William Gosset
B:-Fischer
C:-George Snedecor
D:-Karl Pearson
Correct Answer:- Option-A