Correct Answer:- Option-A
Question38:-Which of the following is an incorrect statement?

A:-H2AX is a variant of the histone protein H2 located throughout the
chromatin region

B:-Macro H2C is a variant of the histone protein H2 located in the inactive X
chromosome region

C:-H2Az is a variant of the histone protein H2 located in the euchromatin
region

D:-CENP-A is a variant of the histone protein H3 located in the centromere
region

Correct Answer:- Option-B

Question39:-Which of the following is an incorrect combination of a viral disease
and the Order of the causative virus?

(i) AIDS : Orterirales

(ii) Measles : Mononegativrales

(iii) SARS : Norzivirales

(iv) Rabies : Mononegavirales

A:-Both (i) and (ii)

B:-Both (ii) and (iv)
C:-Only (ii)

D:-Only (iii)

Correct Answer:- Option-D

Question40:-The mode of action of certain antibiotics is given below
(i) Ampicillin : Inhibition of cell wall synthesis by interference with peptidoglycan
cross-linking
(ii) Chloramphenicol : Inhibition of translation by blocking peptidyl transferase on
the 50S

ribosomal submit
Select the right option

A:-Both (i) and (ii) are correct
B:-Both (i) and (ii) are incorrect
C:-Only (i) is correct

D:-Only (ii) is correct

Correct Answer:- Option-A

Question41:-Which of the following media is selective and differential in its
function?
(i) Eosin methylene blue agar
(ii) MacConkey Agar
(iii) Mannitol Salt Agar
A:-Only (i) and (ii)
B:-Only (ii) and (iii)

C:-Only (iii)