Correct Answer: Option-C
Question16::Which among the following is not related to innate immunity
‘Acstrong immunity
B:-pathogen
previous contact
De-antigen
Correct Answer:- Option-C
Question17:-Primary sites of cancer metastasis
AcTonsils
Bs-Lymph nodes
സ്വ
D-Adenoids
Correct Answer:- Option ®
Question18:-dentify the class of MHC, which is recognized by 0,7 Cell
۸:۷
8:1140 ॥
പല
D-MHC cannot recognize T-cells
Correct Answer:- Option ®
Question19:-Types of bonds found in antigen-antibody interaction
‘Acstrong covalent bond
B:-strong disulphide bond
C:-weak hydrogen bond and vanderwaals forces
Deal of these
Correct Answer:- Option-C
‘Question20:-Pick out the main reason for the autiommunity developed in our body
‘Asimmune system fails completely
B:-immune system produces WBC in a huge number
C-immune system begins to attack its cells and tissues
D-immune system starts producing cells and tissues
Correct Answer:- Option-C
Question21:-The hydrophilic region in the cell membrane is
‘Acsurface of the cell membrane
Bs-interior of the cell membrane
Cenucleoside of the cell
De-ribosomes of the cell
Correct Answer:- Option-é
Question22:-Relating to NER (Nuclear Excision Repair) mechanism, which among the following statement is correct
[A NER is present only in prokaryotes
B:-NER is present in both prokaryotes and Eukaroytes, but the exact mechanism varies
പിട present only in Eukaryotes
D:-NER present in both Eukaryotes and prokaryotes, is with similar molecular mechanism in both
Correct Answer:- Option ®
Question23:-In E.Coli, which type of DNA replication occurs
‘Acconservative and unidirectional
B:-semi conservative and unidirectional
conservative and bidirectional
D-semi conservative and bidirectional

Correct Answer: Option-D