Microbiology Final Exam Questions: Multiple Choice Questions – SCI250, Week 7

Summary

Microbiology is the study of tiny living things. Students learn about bacteria, viruses, fungi and other microbes. They see how microbes affect health and disease, and how they can be controlled.

Microorganisms and their roles

Microorganisms have many roles. They help make food and drink. They break down dead animals. Some cause disease. Students see which statements about microbes are true.

Bacterial growth and staining

Bacteria grow in phases. Students learn about these phases. They also learn about staining methods. These methods show different types of bacteria.

Classification and symbiosis

Classification groups related organisms. Students see why this is important. Symbiosis is a close relationship between different species. Students learn about the types of symbiosis.

Microbes and disease

Microbes can cause disease. Students learn about how this happens. They see examples of diseases caused by microbes. They also learn about how the body fights these diseases.

Key terms

Gram stain

A method to show if bacteria have a thick or thin cell wall.

Parasite

An organism that lives on or in another organism.

Symbiosis

A close relationship between two or more different species.

Antigen

A substance that the body sees as foreign.

Resident microflora

Microbes that live on or in the body without causing harm.

Upper respiratory tract

The parts of the body that air passes through first.

Questions this document helps with

• What roles do microorganisms play in the environment?
• How do bacteria grow and reproduce?
• What is the difference between symbiosis and parasitism?

Summary written with AI from the document's text.