Entry Test MCQ :: The Variety of Life

@ : Home > Biology > The Variety of Life

31.

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

32.

In the lytic cycle of bacteriophage the host DNA is:

A.	Replicated	B.	Turn off by the protein coat.
C.	Digested into its nucleotides	D.	Turned on by the removal of the protein coat

33.

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

34.

Temperate phage may exist as :

A.	Prophage	B.	Capsid
C.	Viron	D.	Retrovirus

35.

Tobacco mosaic virus is :

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

36.

Which of the following is an RNA virus:

A.	Influenza virus	B.	Herpes virus
C.	HBV	D.	Pox virus

37.

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

38.

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

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

39.

Which of the following virus has special affiliations with the tumor production:

A.	Hepatitis virus	B.	Retrovirus
C.	Polio virus	D.	Pox virus

40.

Which of the following is the smallest known virus:

A.	Hepatitis virus	B.	Retrovirus
C.	Polio virus	D.	Pox virus