Micro organisms

Question 1

What are micro-organisms?

Answer 1

small organisms that can only be seen with a microscope and are invisible to the naked eye

Question 2

What are the benefits of bacteria?

Answer 2

-They make antibiotics, e.g. streptomycin
-Lactobacillus, a type of bacteria, is used to convert milk to cheese and yoghurt
-They make vitamins B and vitamins K

Question 3

What are the harmful effects of bacteria?

Answer 3

-They cause diseases, e.g. strep throat
-They can cause food poisoning
-Causes milk to go sour
-Causes crop diseases

Question 4

Is bacteria multicellular or unicellular?

Answer 4

unicellular

Question 5

Name the 3 basic shapes of bacteria
Give examples

Answer 5

1. Round, e.g. pneumonia
2. Rod, e.g. tuberculosis
3. Spiral, e.g. cholera

Question 6

What are the benefits of viruses?

Answer 6

-Makes vaccines
-A special virus provides heat resistance to some plants growing in a hot environment
-Cowpox virus protects against smallpox
-Bacteriophages destroy bacteria invading the body

Question 7

What are the harmful effects of viruses?

Answer 7

-Causes the common cold, influenza, warts, HIV and AIDS
-Causes potato mosaic disease
-Causes rabies, foot and mouth disease

Question 8

Give an example of a virus

Answer 8

-Rabies
-Influenza
-HIV
-AIDS

Question 9

Name a type of bacteria and the disease it causes

Answer 9

⇒E.Coli - Food poisoning
⇒Salmonella - food poisoning
⇒Listeria - listeriosis

Question 10

Name a type of fungi and the disease it causes
(guys if you have more can you add them pls-)

Answer 10

⇒Microsporum - ringworm
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Question 11

What are the benefits of fungi?

Answer 11

-Yeast is used to make alcohol and bread
-Penicillin is used to make antibiotics
-We can eat some mushrooms

Question 12

What are the harmful effects of Fungi?

Answer 12

-They cause diseases such as ringworm and athlete’s foot
-Many mushrooms are poisonous
-Bread mould and fruit mould cause food spoilage

Question 13

What is a pathogen?

Answer 13

a disease-causing micro-organism

Question 14

What is microbiology?

Answer 14

The study of microscopic organisms known as micro-organisms

Question 15

What is a mutation?

Answer 15

A change in the DNA in the cell of a living organism
Bacterial mutations can lead to antibiotic resistance

Question 16

What is an antibiotic?

Answer 16

A medicine that stops the growth of or kills bacteria and fungi
It only works on bacteria and fungi

Question 17

What is antibiotic resistance?

Answer 17

It is bacteria that will no longer be affected by antibiotics that previously destroyed them