The Variety of Life Mcqs

This Set of Multiple choice questions and answers focuses on study of The Variety of Life in biology. These questions are chosen from a collection of most authoritative and best reference books on Biology. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, MDCAT, Teaching jobs Tests and Medicine industry job interviews. One should practice our Mcqs to assimilate knowledge on The Variety of Life in Biology comprehensively.

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31.
In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called:

Lysis

Lysogeny

Induction

Adsorption

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32.
In the lytic cycle of bacteriophage the host DNA is:

Replicated

Turn off by the protein coat.

Digested into its nucleotides

Turned on by the removal of the protein coat

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33.
In the Lysogenic cycle the DNA of the bacteriophage:

Joins the bacterial chromosomes.

Attaches to the inner surface of the host membrane

Is immediately degraded when enters the host.

Goes directly to host ribosomes for translation

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37.
Which of the following disease results in Paralysis due to viral attack on C.N.S:

Measles

Herpes simplex

Hepatitis

Polio

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38.
An enzyme which can convert single stranded RNA into double stranded viral DNA is called:

DNAase

RNAase

DNA polymrase

Reverse Transcriptase

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39.
Which of the following virus has special affiliations with the tumor production:

Hepatitis virus

Retrovirus

Polio virus

Pox virus

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40.
Which of the following is the smallest known virus:

Hepatitis virus

Retrovirus

Polio virus

Pox virus

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41.
Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:

Polio

Hepatitis

AIDS

HIV

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42.
Which of the following statement about AIDS is incorrect:

Is a host specific disease

An infected mother cannot pass the virus to her baby.

Results in enlargement of lymph nodes

Can be prevented.

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44.
Which one of the following specially result in chronic liver disease leading to hepatic failure:

HAV

HBV

HCV

HEV

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