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CHATROOM

Entry Test MCQ :: The Variety of Life p3



NOTE :ANSWERS ARE PRESENT AFTER 5 MCQs
41. Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
A.PolioB.Hepatitis
C.AIDSD.HIV


42. Which of the following statement about AIDS is incorrect:
A.is a host specific diseaseB.An infected mother cannot pass the virus to her baby.
C.Results in enlargement of lymph nodesD.Can be prevented.


43. Mode of transmission of hepatitis A is :
A.SerumB.Faeco-oral
C.Sexual contactD.All of these


44. Which one of the following specially result in chronic liver disease leading to hepatic failure:
A.HAVB.HBV
C.HCVD.HEV


45. For which of the following no preventive vaccine is available
A.HAVB.HBV
C.HCVD.HEV

ANSWERS OF ABOVE FIVE MCQs
41.(C) 42.(B) 43.(B) 44.(C) 45.(C)




Entry Test MCQ :: The Variety of Life



NOTE :ANSWERS ARE PRESENT AFTER 5 MCQs


21. Which of the statement about viruses is incorrect :
A.We can not grow them in laboratories on artificial mediasB.They are obligate intracellular parasite.
C.They can synthesize their nucleic acidD.They are resistant to most of antibiotic treatment


22. Protein subunits of capsid is called the capsomeres is a characteristic of each virus. Their number in Herpes virus is:
A.100B.152
C.162D.172


23. Protein coat the capsid of adenovirus is :
A.Surrounded by genomeB.Surrounding genome
C.Surrounding the envelopeD.Both B and C


24. The agent of controversial nature causing mad cow infection is:
A.BacteriaB.Cowpox Virus
C.AdenovirusD.Prion


25. A virion is :
A.VirusB.Viral protein
C.Viral lysozymeD.Viral gene


26. An isolated virus is not considered living since it:
A.Separates in to two inner partsB.Can not metabolize
C.Rapidly looses its Genome chemical inertD.Is coated with an air tight shield


27. Bacteriopahage that infect E. coli are called:
A.M typeB.N type
C.T typeD.S type


28. Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves:
A.Strong covalent bond between virion and the receptor site.B.Week chemical unior between them
C.Both A and B depending upon the phageD.None of these


29. In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall:
A.AbsorptionB.Multiplication
C.LysogenyD.Penetration


30. 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.


31. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called:
A.LysisB.Lysogeny
C.InductionD.Adsorption


32. In the lytic cycle of bacteriophage the host DNA is:
A.ReplicatedB.Turn off by the protein coat.
C.Digested into its nucleotidesD.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.ProphageB.Capsid
C.VironD.Retrovirus


35. Tobacco mosaic virus is :
A.SphericalB.Rod Shaped
C.Tadpole likeD.Hexagonal


36. Which of the following is an RNA virus:
A.Influenza virusB.Herpes virus
C.HBVD.Pox virus


37. Which of the following disease results in Paralysis due to viral attack on C.N.S:
A.MeaslesB.Herpes simplex
C.HepatitisD.Polio


38. An enzyme which can convert single stranded RNA into double stranded viral DNA is called:
A.DNAaseB.RNAase
C.DNA polymraseD.Reverse Transcriptase


39. Which of the following virus has special affiliations with the tumor production:
A.Hepatitis virusB.Retrovirus
C.Polio virusD.Pox virus



40. Which of the following is the smallest known virus:
A.Hepatitis virusB.Retrovirus
C.Polio virusD.Pox virus


Entry Test MCQ :: The Variety of Life


NOTE :ANSWERS ARE PRESENT AFTER 5 MCQs



1. So far over _____ number of species of animals are known:
A.millionB.1 million
C.1D.2 million


2. Which of the following category is most general with its members lest resembling with each other than the other categries:
A.SpeciesB.Genus
C.FamilyD.Order


3. Solanum tuberosum is a scientific name of:
A.OnionB.Amaltas
C.PotatoD.Tomato


4. Allium cepa is the scientific name of :
A.OnionB.Amaltas
C.PotatoD.Tomato


5. Those organisms which can prepare their own food from simple inorganic material and can store energy are called
A.AutotrophsB.Heterotrophs
C.ProcariotiqueD.Eu-cariotique


6. Which of the Euglenas (a Protoctista) character resembles that of animals:
A.They can moveB.They lack cell wall
C.They do not have chlorophyllD.Both a and b


7. The word which E-Chatton suggested for bacteria and blue green algae was:
A.AutotrophsB.Heterotrophs
C.Pro-cariotiqueD.Eu-cariotique


8. Organisms of which of the following kingdom have absorptive mode of nutrition:
A.ProkaryotaeB.Protoctista
C.AnimaliaD.Fungi


9. Which of the following organisms have Chitin as a major structural component of their cell wall:
A.ProkaryotaeB.Protoctista
C.PlantaeD.Fungi


10. Five kingdom classification was proposed by :
A.Carlous LinnaeusB.E-Chatton
C.Robert WhittakerD.Lynn Margulis and Karlene Schwartz

11. Amoeba belongs to which kingdom:
A.ProkaryotaeB.Plantae
C.MoneraD.Protista


12. Kingdom Protoctista includes:
A.Prokaryotic organismsB.Unicellular organisms
C.FungiD.Eu-cariotiquic organisms


13. Other name for Kingdom monera is:
A.ProtoctistaB.Prokaryotae
C.ArchaeD.None of these
14. The word virus is derived from Latin word venome meaning
A.Sweet fluidB.Sore Fluid
C.Poisonous FluidD.Salty Fluid


15. DNA or RNA of viruses is enclosed in ______ coat:
A.ProteinB.Carbohydrate
C.LipidD.DNA


16. Vaccine Was discovered by :
A.Louis PasteurB.Edward Jennar
C.IvanowskiD.Stanely


17. The name Bacteriophage was coined by:
A.Charles ChamberlandB.Ivanowski
C.TwortD.D Herelle


18. The size of smallest virus is:
A.10 nmB.20 nm
C.30 nmD.40 nm


19. The size of poxvirus is:
A.20 nmB.200 nm
C.250 nmD.300 nm


20. Viruses are ______ smaller than bacteria
A.10 - 100 timesB.10 - 1000 times
C.100 - 1000 timesD.1000 - 10000 times