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Virus Size Measurement

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Questions and Answers

Which bacterial form is characterized by a cluster or grapelike arrangement of cocci?

Coccobacilli
Staphylococci (correct)
Diplococci
Sarcinae

Which bacterial form is characterized by long threads of bacilli that have not separated into single cells?

Streptococci
Coccobacilli
Filamentous bacillary forms (correct)
Diplococci

What is the main requirement for the growth of bacteria?

Light
Carbon dioxide
Oxygen
Proper nutrients (correct)

How do bacteria enlarge and divide?

Binary fission (C) Signup and view all the answers

What is the definition of a parasite?

An organism with an obligate relationship with another species, obtaining nourishment at the expense of the host (C) Signup and view all the answers

What is the difference between infection and infectious disease?

Infection refers to the invasion or colonization of the body by pathogenic microorganisms, whereas infectious disease refers to the host being infected and if the infection causes damage (B) Signup and view all the answers

What is virulence in the context of infectious diseases?

The degree of pathogenicity of a microbe in quantitative terms (B) Signup and view all the answers

Why were viruses initially named 'virus'?

Because they are infectious agents too small to be seen with a light microscope (A) Signup and view all the answers

What is the size of an Angstrom unit (A) in comparison to a nanometre (nm)?

One-tenth of a nanometre (A) Signup and view all the answers

Which type of virus is the largest in size?

Poxviruses (A) Signup and view all the answers

What is the composition of a virus's genome?

A single nucleic acid that stores all the vital information required by the virus for its multiplication (B) Signup and view all the answers

What are capsids composed of?

Repeating subunits arranged in a defined pattern (B) Signup and view all the answers

What industrial products can be obtained from fermentation?

Alcohol, fats, and proteins (C) Signup and view all the answers

Virus Size Measurement

Choose a study mode

Podcast

Questions and Answers

Which bacterial form is characterized by a cluster or grapelike arrangement of cocci?

Which bacterial form is characterized by long threads of bacilli that have not separated into single cells?

What is the main requirement for the growth of bacteria?

How do bacteria enlarge and divide?

What is the definition of a parasite?

What is the difference between infection and infectious disease?

What is virulence in the context of infectious diseases?

Why were viruses initially named 'virus'?

What is the size of an Angstrom unit (A) in comparison to a nanometre (nm)?

Which type of virus is the largest in size?

What is the composition of a virus's genome?

What are capsids composed of?

What industrial products can be obtained from fermentation?

Which fungal product is used for inducing uterine contractions and treating migraine?

What public health problem is mentioned in the text related to fungal toxins?

What are Actinomycetes and fungi important sources of?

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