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 What is done to monkeys by HIV Multiplication and disease <span style="white-space: normal;">Infection and multiplication</span> Infection and disease None
2 It is not a symptom of AIDS Swollen lymph nodes Loss of immunity Swollen neck Pneumonia
3 Structural proteins of HIV are Encoded by virus genes Synthesized by host ribosomes Digested by viral enzymes All of these
4 Which of the following is not an enzyme of HIV Reverse transcriptase Integerase<span style="white-space:pre"> </span> Protease<span style="white-space:pre"> </span> Ligase
5 Newly synthesized Large proteins are digested into small viral proteins by Host protease Viral protease Viral RT Host pepsin
6 Joining of viral DNA with host DNA is carried out by Integerase Ligase Both<span style="white-space:pre"> </span> Polymerse
7 Herpes type-1 virus causes Pitted scars Swollen neck Rashes on genitals Vascular lesions
8 Which of the following part of virus does not enter into host cell Envelope<span style="white-space:pre"> </span> Spikes<span style="white-space:pre"> </span> Both<span style="white-space:pre"> </span> Capsid
9 Causative agent of mysterious brain infection is composed of DNA+Protein RNA+Protein RNA only Protein only
10 Which of the following is a common feature of all viruses DNA replication in cytoplasm RNA synthesis in nucleus Protein synthesis in cytoplasm Reverse transcription in cytoplasm
11 HIV attaches on cell membrane of T cell at _____ receptor site Cd2<span style="white-space:pre"> </span> Cd4<span style="white-space:pre"> </span> Cd8<span style="white-space:pre"> </span> Gp120
12 Crystallization of viruses was done by _____ for the first time Ivanowsky Twort<span style="white-space:pre"> </span> Stanley<span style="white-space:pre"> </span> Robert Koch
13 DNA of non-virulent phage is Provirus<span style="white-space:pre"> </span> Prophage<span style="white-space:pre"> </span> Both<span style="white-space:pre"> </span> None
14 Chemical nature of spikes present on HIV Protein<span style="white-space:pre"> </span> Carbohydrate<span style="white-space:pre"> </span> Glycolipid<span style="white-space:pre"> </span> Glycoprotein
15 Which is irrelevant? Genome to virus structure Capsomeres to Capsid Tumors to retroviruses Envelope to all viruses
16 Which of the following disease is not caused by virus? Cholera Hepatitis<span style="white-space:pre"> </span> Influenza<span style="white-space:pre"> </span> Polio
17 Which type of hepatitis leads to chronic liver disease? Hepatitis D Hepatitis A Hepatitis B Hepatitis C
18 An isolated virus is not considered living, since it Separates into two inert parts<span style="white-space:pre"> </span> Cannot metabolize Rapidly loses its genome It coated with an air tight shield
19 Mad cow infection is caused by ____ Viroid<span style="white-space:pre"> </span> Virion<span style="white-space:pre"> </span> Prion<span style="white-space:pre"> </span> Bacteria
20 Which type of hepatitis is called serum hepatitis Hepatitis A Hepatitis B Hepatitis C Hepatitis D
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