MDCAT BIOLOGY-Biodiversity (SMART INSTITUTE)

A colorful and informative infographic showcasing various types of viruses, including bacteriophages and their life cycles, suitable for a biology quiz about biodiversity.

MDCAT Biology: Explore Biodiversity

Welcome to the MDCAT Biology quiz centered on Biodiversity! Test your knowledge on various aspects of bacteriophages, viruses, and their interactions with host organisms.

Prepare yourself for an engaging experience featuring:

Multiple Choice Questions
Focus on viruses and their life cycles
Insights into pathogenicity and host interactions

60 Questions15 MinutesCreated by StudyingVirus47

01-In which step of life cycle of bacteriophage, tail releases enzyme lysozyme?

Attachment

Penetration

Adsorption

Injection

02-Bacteriophage is an example of

Obligate intracellular parasite

Facultative intracellular parasite

Obligate ectoparasite

Facultative endoparasite

03-It is an RNA non-enveloped virus

Poliovirus

Influenza virus

Pox virus

Herpes virus

04-The particles which don't have nucleic acid as their hereditary material:

Virions

Viroids

Prions

Non-enveloped virus

05-Capsomeres are present in viral capsid are

Amino acids

Fatty acids

Protein fragments

Peptidoglycan

06-Pathogenicity of bacteriophage is due to its

Envelope

Nucleic acid

Tail

Capsid

07-Plasmids are

Viruses

Restriction enzymes

Circular DNA

Single stranded DNA

08-Mouth, lips and skin are affected due to the infection of:

Pox virus

Paramyxovirus

Herpes virus

Adenovirus

09-Tumor causing virus is:

DNA enveloped

RNA enveloped

DNA non-enveloped

RNA non-enveloped

10-AIDS will lead to

Liver cirrhosis

Mental retardation

Opportunistic infection

Angina

11-Mad cow infection is caused by

DNA

Virulent phage

Prion

MRNA

12-Hepatitis A and E is transmitted by contact with .......... From infected individuals.

Serum

Feces

Blood

Saliva

13-HIV is

Retrovirus

RNA tumor virus

Oncovirus

All of these

14-Number of capsomeres present in adenovirus and herpes virus are ........ and ........ respectively.

225, 162

252, 162

522, 161

252, 126

15-Major cells that are infected by HIV are

B lymphocytes

Natural cells

T-Helper cells

T-lymphocytes

16-It acts as a template strand for Reverse Transcriptase

Viral DNA

Viral RNA

Host DNA

T-lymphocytes

17-One of the following is not correct about lysogeny

Temperate

Resistance to bacteria

Master-slave relation

Prophage

18-All of the following are enveloped viruses except

Measles

HCV

Retroviruses

HAV,HEV, Poliovirus

19-The phenomenon of Transcription in HIV life cycle occurs in

Nucleus

Cytoplasm

Inside viral capsid

None of these

20-Genetically engineered vaccine is present for

Hepatitis A

Hepatitis C

AIDS

Hepatitis B

21-A bacteriophage that causes bursting of host is called as

Virulent/lytic

Prophage

Temperate

Lysogenic

22-Induction leads to

Attachment

Penetration

Lysis

Adsorption

23-Herpes simplex virus usually does not involve

Mouth

Skin

Lips

Lungs

24-Viruses may not replicate in

Blood plasma

A plant cell

Skin cell

Hepatocyte

25-Nucleic acid is the only component of

Virus

Viroid

Virion

Prion

26-Pick the correct order:

Landing-attachment-tail contraction-penetration-DNA injection

Attachment-tail contraction-landing

Lysis-tail contraction-DNA injection

Penetration and unpluging-DNA injection-Tail contraction

27-All of the following have RNA except ......... virus.

Herpes

Polio

Paramyxovirus

Influenza

28-Pox virus equals the size of

E.coli

Bacillus subtilis

Mycoplasma

Vibrio

29-The persons suffering from AIDS may further be affected by a fungal disease leading to death

Aspergillosis

Mycosis

Migraine

Candidiasis

30-Where can viruses replicate?

Animals

Bacteria

Plants

All of these

31-These are largest animal viruses

HIV

Covid-19

Poxviruses

HBV

32-Viruses don't have

Fossil record

Reproductive ability

Traces in history

Nucleic acids

33-In plants, tumors are induced due to

Bacteria

Fungi

Viruses

All of these

34-Cell theory doesn't explain

Fungi

Algae

Virus

Protista

35-WOF have no nucleic acids

Bacteria

Prions

Virus

Viroid

36-It is a biological weapon

Radiation

Virus

Chemical

All of these

37-Virus transmission is affected by

Biotic factors

Physical factors

Chemical factors

Both biotic and physical factors

38-Viruses are ....... Entity between living and non-living.

Balanced

Threshold

Transitional

None

39-Virus when attack on unfamiliar organism, it is mutated many times and come as:

More virulent and dangerous

More transmissible

More mutated

All of these

40-Viruses are classified into many groups on the basis of

Nucleic acids

Host cell infectivity

Capsid symmetry

None of these

41-Viruses use WOF enzyme for break-down of bacterial cell wall?

Lysozyme

Proteases

Lipase

Nuclease

42-Viral protein and genome in host cell are assembled at:

Cytoplasm

Cell membrane

Cell wall

Cell matrix

43-Virus can bud from

RER

NUCLEAR ENVELOPE

GOLGI COMPLEX

ALL OF THESE

44............ Refers to removal or breakdown of capsid.

Uncoating

Integration

Assembly

Maturation

45-Which viruses enter the host cell as a whole?

Plant virus

Animal virus

Bacteriophages

None

46-The branch that deals with the study of viruses is known as?

Entomology

Epidemiology

Virology

Bacteriology

47-Louis Pasteur made vaccine for

Rabies

Fowl cholera

Anthrax

All of above

48-According to Iwanowski, what are soluble living germs?

Bacteria

Fungi

Viruses

Both bacteria and viruses

49-When was the bacteriophage phenomenon rediscovered by D'Herelle?

1918

1920

1917

1990

50-When was bacteriophages discovered by Twort?

1915

1910

1920

1820

51-Virus that was discovered in 1901

Yellow fever

Bacteriophages

Tobacco mosaic

Corona

52-Earliest life form on earth is

Virion

Prion

Viroid

None of these

53-It is very stable and allows viruses to exist in water, air and the ground:

Nucleoproteins

Tail of virus

Nucleocapsid

None of above

54-The complete, mature and infectious particle is known as:

Capsid

Bacteriophage

Virion

Nucleus

55-Virus is composed of

Nucleic acid and capsid

Genome

RNA only

Capsid

56-Protein coat of a virus enclosing nucleic acid is called?

Vector

Plasmid

Capsid

Genome

57-What molecule would you not expect to find in a retrovirus?

Adenine

Uracil

Thymine

Guanine

58-What is size of Parvovirus?

200 nm

20 nm

30 nm

100 nm

59-The viral DNA or RNA is produced by

Shell of lipids

Shell of carbohydrates

Shell of proteins

Shell of amino acids

60-What type of virus is the small pox virus?

DNA enveloped virus

DNA virus

RNA enveloped virus

MDCAT BIOLOGY-Biodiversity (SMART INSTITUTE)

MDCAT Biology: Explore Biodiversity

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