Given below are two statements Statement (I): Diethylpyrocarbonat...

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Microbiology- ICAR JRF/SRF 2024

Statement Based

Given below are two statements

Statement (I) : Diethylpyrocarbonate (DEPC) is used to inactivate RNases in buffers and on glassware

Statement (II) : Diethylpyrocarbonate (DEPC) is a transition state analog that binds to active sites of RNases.

In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.

Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct)

Repressor molecules bind to

Operator Promoter Enhancer , Hormone response element

Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct)

Which of the following are features of Ti-plasmid?
(A). They contain one (or more) T-DNA region
(B). They contain a region enabling antibiotic resistance
(C). They contain a vir region
(D). They contain a region enabling conjugative transfer.
Choose the correct answer from the options given below:

(A), (6) and (D) only. (A), (C) and (D) only. (A), (B), (C) and (D). (B), (C) and (D) only.

Microbiology- ICAR JRF/SRF 2024

Match the Following

Match List-I with List-II:

Choose the correct answer from the options given below:

List - I सूची - I Genes List-I (Genes		List - II सूची - II Functions List-II (Functions
A	nif K nif K	I	FeMo cofactor biosynthesis FeMo cofactor biosynthesis
B	nif A nif A	II	$\beta$-subunit of MoFe protein of nitrogenase $\beta$-subunit of MoFe protein of nitrogenase
C	nif S nif S	III	Fe protein of nitrogenase Fe protein of nitrogenase
D	nif B nif B	IV	Positive regulator of nif and fix genes Positive regulator of nif and fix genes
E	nif H nif H	V	Cysteine desulfurase Cysteine desulfurase

(A)=(V), (B) - (IV), (C) - I), (D) = (ND, (E) = (1) (A) = (lll), (B) - (1), (C) - (IV), (B) = (V), (E) =) (A) = (lll), (B) - (V), (C)- (V), (0) = (0), (E) =) (A) = (I), (B) - (IV), (C) - (V), (0) = (0), (E) =)

Microbiology- ICAR JRF/SRF 2024

Match the Following

Match List-I with List-II:

Choose the correct answer from the options given below:

List - I सूची - I Organism List-I (Organism		List - II सूची - II Toxin produced List-II (Toxin produced
A	Clostridium botulinum Clostridium botulinum	I	Patulin Patulin
B	Staphylococcus aureus Staphylococcus aureus	II	Aflatoxin Aflatoxin
C	Aspergillus parasiticus Aspergillus parasiticus	III	Enterotoxin Enterotoxin
D	Aspergillus ostianus Aspergillus ostianus	IV	Neurotoxin Neurotoxin
E	Penicillium expansum Penicillium expansum	V	Ochratoxin A Ochratoxin A

(A) - (V), (B) - (IV), (C) - (1), (B) =), (E) — (a) (A) — (I), (B) - (V), (C) - (IV), (D) = (MN), (E) = 1) (A) — (IV), (B) - (III), (C) - (I), (D) = (VY), (E) = (1) (A) — (III), (B) - (1), (C) - (II), (B) - (V), (E) = (IV)