MDCAT Biology Chapter 1 Biodiversity Online Test With Answers

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MDCAT Biology Chapter 1 Biodiversity Online Test

Sr. # Questions Answers Choice
1 In life cycle of bacteriophage, ______ occurs followed by_______. Assembly. Penetration Multiplication, landing Tail contractio, Penetration <div>Penetration, Assembly</div><div><br></div>
2 Pick up the false statement regarding HIV Lipoprotein envelope Two RNA molecules Two molecules of RT enzyme Round shaped capsid
3 The phage is called temperate when it causes Virulence<span style="white-space:pre"> </span> Lysis Lysogeny<span style="white-space:pre"> </span> Bursting of host cell
4 The persistent symptoms of small pox are Raised fluid filled vesicles The pocks<span style="white-space:pre"> </span> Pustules Vascular lesions
5 The smallest known virus is HIV virus HBV virus Influenza virus Polio virus
6 Retroviruses cause tumors in Rodents Fowls Cats<span style="white-space:pre"> </span> All
7 In lytic cycle, the relationship between bacterium and bacteriophages is Symbiotic<span style="white-space:pre"> </span> Master-slave Husband wife Host-guest
8 Viruses containing RNA rather than DNA are called Riboviruses Bacteriophages Rotaviruses Retroviruses
9 Head of T4 bacteriophage contain Single stranded DNA Double stranded DNA Single stranded RNA Both RNA and DNA
10 The best known phages are T phages that infect Pseudomonas<span style="white-space:pre"> </span> Mycoplasma<span style="white-space:pre"> </span> Escherichia Coli Salmonella
11 Which of the following acts as template strand for reverse transcription Viral DNA Viral RNA Host DNA Host RNA
12 Major cells infected by HIV are Monocytes B lymphocytes T lymphocytes RBC
13 Which of the following is a living character of virus Formation of Crystals Production of new viral particles<span style="white-space:pre"> </span> Coordination<span style="white-space:pre"> </span> Metabolism
14 Choose the correct option about the following figure: A is showing Envelope B is not showing envelope C is showing RT D is showing RNA
15 Patient of AIDS is susceptible to many infections due to Severe pneumonia Swollen lymph nodes Loss of immune system All of these
16 If you are studying the structure of HIV , you will observe spikes associated with the Core<span style="white-space:pre"> </span> Capsid<span style="white-space:pre"> </span> Envelope<span style="white-space:pre"> </span> Genome
17 Viral core always contain __ among the following DNA RNA Both A and B Any of A or B
18 In HIV infection cycle, uncoating of virus takes place Outside the T-cell Inside the cytoplasm of T-cell Inside the nucleus of T-cell Inside the mitochondria of T-cell
19 Provirus is Genome of bacteriophage Genome of HIV uncoiled in Host cell Genome of HIV incorporated in Host genome Genome of a host
20 They are Tumor causing viruses and are usually host specific Polio viruses Retroviruses<span style="white-space: pre;"> </span> Oncoviruses Both b and c
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