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Bacteria

Test Description: Test on characteristics of Bacteria

Instructions: Answer all questions to get your test result.

1) Which of the following is a characteristic of most bacterial infections but not of a viral infection?

AIt can cause multiple symptoms. BIt can be spread by inhalation. CIt can affect different people differently. DIt can be treated with an antibiotic.

2) Some bacteria can exchange genetic material with each other by sending a tube to connect with other bacteria. This process is called

Aconjugation Bfragmentation Csexual reproduction Dbinary fission

3) Which of the following factors help spread disease-causing bacteria?

ALow temperatures BAccess to new hosts CMutation by heat energy DMutation by heat energy

4) Some antibiotics cause patients to exhibit digestive side effects. These side effects are most often the result of —

Abacteria being killed in the digestive tract Btoo much water being drawn into the digestive tract Cthe antibiotics being converted into stomach acids Dthe stomach wall being torn

5) A disease-causing agent that is inhibited by antibiotics is most likely in the same Kingdom as –

Athe bacteria Streptococcus Bthe virus HIV Cthe fungi mushroom Da protist called paramecium

6) All of the following are common types of bacterial shapes EXCEPT for

Aspheres Bspirals Ccones Drods

7) Some bacteria benefit mammals by helping with —

Agrowth Brespiration Creproduction Ddigestion

8) Which of the following is true about bacteria?

AThey have a nuclear envelope enclosing genetic material BThey have RNA and a nucleus CThey contain a nucleus, ribosomes and a cell wall DThey contain genetic material, ribosomes and a cell wall

9) A form of asexual reproduction where two identical bacterial cells are formed from one parent cell is called

Abinary fusion Bfragmentation Cbinary fission Dbudding

10) In general bacteria are classified as

Aunicellular, eukaryotic organisms Bmulticellular, eukaryotic organisms Cunicellular, prokaryotic organisms Dmulticellular, prokaryotic organisms

*select an answer for all questions

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