Biology

In the Lysogenic cycle the DNA of the bacteriophage

A. Joins the bacterial chromosomes
B. Attaches to the inner surface of the host membrane
C. Is immediately degraded when enters the host
D. Goes directly to host ribosomes for translation

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Tobacco mosaic virus is

A. Spherical
B. Rod Shaped
C. Tadpole like
D. Hexagonal

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In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall

A. Absorption
B. Multiplication
C. Lysogeny
D. Penetration

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Which of the following disease results in Paralysis due to viral attack on C.N.S:

A. Measles
B. Herpes simplex
C. Hepatitis
D. Polio

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In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called

A. Lysis
B. Lysogeny
C. Induction
D. Adsorption

In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called Read More »

An enzyme which can convert single stranded RNA into double stranded viral DNA is called

A. DNAase
B. RNAase
C. DNA polymerase
D. Reverse Transcriptase

An enzyme which can convert single stranded RNA into double stranded viral DNA is called Read More »

Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage

A. Phage when gets incorporated with the bacterial chromosome is called prophage
B. The bacterium continues to live and reproduce normally
C. Lysogenic bacteria may get infected by the related phage
D. The cycle may convert into lytic type resulting from environmental exposure

Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage Read More »