Free Printable Fungi and Antigen-Antibody Reactions Quiz

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Fungi and Antigen-Antibody Reactions Quiz

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

1.

Morphological classification of fungi includes

a)

Viruses and bacteria

b)

Yeasts molds and dimorphic fungi

c)

Protozoa only

d)

Helminths only

2.

Yeasts are characterized by

a)

Filamentous hyphae

b)

Budding cells

c)

Spore chains only

d)

No cell wall

3.

Example of yeast is

a)

Candida albicans

b)

Aspergillus fumigatus

c)

Penicillium notatum

d)

Rhizopus

4.

Molds are characterized by

a)

Budding reproduction

b)

Unicellular structure

c)

Filamentous hyphae only

d)

No mycelium

5.

Example of mold is

a)

Cryptococcus

b)

Histoplasma

c)

Rhizopus

d)

Candida

6.

Dimorphic fungi exist as

a)

Yeast at 25°C and mold at 37°C

b)

Mold at both temperatures

c)

Yeast at both temperatures

d)

Mold at 25°C and yeast at 37°C

7.

Example of dimorphic fungus is

a)

Aspergillus

b)

Candida albicans

c)

Histoplasma capsulatum

d)

Rhizopus

8.

Dimorphism is best remembered by rule of

a)

25–37 rule

b)

Iceberg rule

c)

Rule of 9s

d)

ABC rule

9.

Sabouraud dextrose agar is used for

a)

Culture of bacteria

b)

Culture of fungi

c)

Culture of viruses

d)

Culture of parasites

10.

pH of SDA is

a)

Neutral

b)

Alkaline

c)

Acidic (~5.6)

d)

Highly acidic (<3)

11.

SDA inhibits bacterial growth due to

a)

High salt

b)

Low temperature

c)

Acidic pH

d)

Alcohol content

12.

Antibiotics added to SDA include

a)

Penicillin only

b)

Chloramphenicol only

c)

Gentamicin and chloramphenicol

d)

Vancomycin only

13.

Antigen–antibody reaction is best described as

a)

Irreversible reaction

b)

Non-specific reaction

c)

Specific and reversible reaction

d)

Enzymatic reaction

14.

For antigen–antibody reaction to occur

a)

Antigen must be protein only

b)

Antibody must be IgG only

c)

Specificity between antigen and antibody is required

d)

High temperature is required

15.

Strength of antigen–antibody reaction depends on

a)

Avidity and affinity

b)

pH only

c)

Temperature only

d)

Ionic strength only

16.

Affinity refers to

a)

Overall strength of binding

b)

Strength of single binding site

c)

Number of binding sites

d)

Valency only

17.

Avidity refers to

a)

Strength of one epitope

b)

Overall strength of antigen–antibody interaction

c)

Antibody concentration only

d)

Antigen size only

18.

Precipitation reaction occurs with

a)

Particulate antigens

b)

Soluble antigens only

c)

Cells only

d)

RBCs only

19.

Agglutination reaction occurs with

a)

Soluble antigens

b)

Particulate antigens

c)

Toxins only

d)

Haptens only

20.

ELISA is based on

a)

Precipitation

b)

Agglutination

c)

Enzyme-linked antigen–antibody reaction

d)

Complement fixation

100 %

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