"The Relationship between Microorganisms and Humans" PPT

Description

"The Relationship between Microorganisms and Humans" PPT

Part One: Situation Import

In our lives, many foods use microorganisms directly or indirectly. Can you give an example?

1. Yeast is used to make steamed buns and bread to make them soft.

2. Mushrooms and fungus are fungi and can be eaten directly. Some can also make medicine.

3. Vinegar, yogurt, etc.

learning target

1. Give examples to illustrate the relationship between microorganisms and food, microorganisms and diseases, microorganisms and medicine, and understand the application prospects of microorganisms.

2. Through the "Homemade Kimchi" activity, students can develop their hands-on skills and experience the close relationship between microorganisms and human life.

3. Cultivate students' ability to collect and process information by collecting information on the relationship between microorganisms and humans, such as the application of yeast in the food industry, pathogenic microorganisms and related diseases, antibiotic drugs, etc.

4. Cultivate students' good hygiene habits by understanding the knowledge that microorganisms cause food spoilage and microbial disease.

PPT on the relationship between microorganisms and humans, part 2: course exploration

Explore theme one

Microorganisms and Food

1. Yeast

2. Lactic acid bacteria

3. Acetic acid bacteria

Homemade kimchi

After reading about the making of kimchi in the activity, please think about:

1. What kind of microorganism is mainly responsible for making kimchi? Name the origin of this microorganism?

2. Why is a considerable amount of sugar added to the ingredients?

3. Why should the injected liquid submerge the vegetables and seal the pickle jar?

Explore theme two

Microorganisms and diseases

Human diseases caused by microorganisms include: infectious diseases, non-infectious diseases

Diseases and poisoning are three major categories.

1. Infectious diseases, such as AIDS, influenza, bacillary dysentery, etc.

2. Non-infectious diseases, such as Aspergillus flavus. If Aspergillus flavus produces aflatoxin, it can also cause cancer.

3. Poisoning, such as poisonous red mushrooms, etc.

PPT on the relationship between microorganisms and humans, part 3: Class summary

The relationship between microorganisms and humans

1. Microorganisms and food

2. Microorganisms and diseases

3. Microorganisms and Medicine

4. Application prospects of microorganisms

In short, microorganisms are closely related to humans. Some microorganisms can cause food spoilage and make people sick, but most microorganisms are beneficial to humans, such as being used in food production and pharmaceuticals.

We need to control harmful microorganisms and utilize beneficial microorganisms so that microorganisms can get along better with humans.

PPT on the relationship between microorganisms and humans, part 4: training to meet standards

1. Please connect the left and right production technologies with related microorganisms

Making bread A methane bacteria

Making kimchi B actinomycetes

Preparation of biogas C yeast

Produces antibiotic D Lactobacillus

Vinegar production E acetic acid bacteria

Liquor, beer

2. AIDS is caused by which of the following microorganisms ( )

A. Bacteria B. Fungi

C. Yeast D. Virus

3. When making the following foods, microorganisms are not needed ( )

A. Steaming steamed buns B. Brewing rice vinegar

C. Make yogurt D. Pickle pickles

4． Which of the following substances is carcinogenic ( )

A. Monascus produced by Monascus B. Aflatoxin produced by Aspergillus flavus

C. Rhizopus produces amylase and other enzymes D. Penicillin produced by Penicillium

Keywords: Beijing Normal University version of the eighth grade biology PPT courseware for the first volume is free to download, the relationship between microorganisms and humans PPT download, .PPT format;

For more information about the PPT courseware "Microorganisms in the Biosphere and the Relationship between Microorganisms and Humans", please click on the "Microorganisms in the Biosphere ppt Relationship between Microorganisms and Humans" ppt tag.

"The Relationship between Microorganisms and Humans" PPT courseware:

"The Relationship between Microorganisms and Humans" PPT Courseware Part One: Microorganisms and Food In our lives, many foods directly or indirectly use microorganisms. Can you give an example? 1. Yeast is used to make steamed buns and bread to make them soft. 2. Mushrooms, wood...

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Update Time: 2024-10-21

This template belongs to biology courseware Beijing Normal University Edition Eighth Grade Biology Volume 1 industry PPT template

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