Bacteria Quiz
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Questions and Answers

______ are micro-organisms which can develop only inside the cells of the host organisms.

Viruses

Viruses are ______ than bacteria.

smaller

Protozoa are classified as ______.

animals

Bacteria are larger than ______ but still very small. Unlike viruses, bacteria feed, move and respire, as well as reproduce on their own.

<p>viruses</p> Signup and view all the answers

There are mainly three groups of bacteria on the basis of their ______: spherical bacteria, rod-shaped bacteria and spiral bacteria.

<p>shape</p> Signup and view all the answers

Some of the human diseases caused by bacteria are cholera, typhoid, tuberculosis (TB), diphtheria, whooping cough and ______ poisoning.

<p>food</p> Signup and view all the answers

Bacteria have cell walls but do not have an organised ______ and other structures

<p>nucleus</p> Signup and view all the answers

The two common examples of bacteria are Lactobacillus bacteria and ______ bacteria

<p>Rhizobium</p> Signup and view all the answers

Some of the human diseases caused by bacteria are cholera, typhoid, tuberculosis (TB), diphtheria, whooping cough and food ______

<p>poisoning</p> Signup and view all the answers

______ are animal like just as algae are plant like.

<p>Protozoa</p> Signup and view all the answers

Diseases caused by ______ cannot be treated with antibiotics.

<p>viruses</p> Signup and view all the answers

Protozoa are found in ponds, lakes, dirty water drains, rivers, sea- water and ______ soil.

<p>damp</p> Signup and view all the answers

Flashcards

What are viruses?

Micro-organisms that can only develop inside host cells.

Size of viruses vs. bacteria

Viruses are significantly smaller in size compared to bacteria.

Protozoa classification

Protozoa are classified as animals.

Bacteria vs Viruses

Though smaller than bacteria, bacteria can feed, move, respire, and reproduce independently, unlike viruses.

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Bacterial Shapes

Spherical, rod-shaped, and spiral.

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Bacterial diseases

Cholera, typhoid, tuberculosis (TB), diphtheria, whooping cough, and food poisoning.

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Bacteria Cell Structure

Bacteria lack an organized nucleus and other complex structures.

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Common bacteria examples

Lactobacillus and Rhizobium.

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Food Poisoning

Illness caused by consuming food contaminated with harmful bacteria or their toxins

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Protozoa as animal-like

Protozoa like algae are plant-like.

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Antibiotics ineffective against...

Viruses

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Protozoa Habitats

Ponds, lakes, dirty water drains, rivers, sea-water, and damp soil.

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