Q. Humans become infected with Mycobacterium tuberculosis most frequently by

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Q. Rough and buff colonies on LJ medium are characteristic of

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Q. Which of the following species of Mycobacterium is positive for nitrate reduction test?

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Q. The bacteria which is microaerophilic on primary isolation, is

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Q. Which of the following bacteria is sensitive to pyrazinamide?

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Q. The bacteria which cause(s) tuberculosis in man is/are

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Q. Which of the phage types of Mycobacterium tuberculosis occurs most frequently in India?

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Q. Members of the genus Mycobacterium are

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Q. A positive Mantoux test indicates an area of induration of

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Q. The process by which phage reproduction is initiated in lysogenized culture is called

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Q. Area of lysis on a bacterial lawn culture produced by a phage is known as

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Q. The procapsid is assembled with the aid of __________ proteins.

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Q. Which of the following is/are synthesized from late mRNA?

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Q. Which capsid symmetry is exhibited by most of the phages?

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Q. Contractile sheath of the tail is present in which of the following phages?

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Q. One of the first enzymes synthesized by many bacteriophage is __________ , an RNA-dependent RNA polymerase.

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Q. In viruses with envelopes

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Q. Which of the following bacteria can be typed by phage typing method?

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Q. __________ protein keeps the prophage dormant and prevents virus reproduction.

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Q. __________ is specifically able to have a long-term relationship with the host known as lysogeny.

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