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AS GCSE Biology > B2 - > Flashcards

B2 - Flashcards

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1
Q

Where does the air we breathe in go through

A

The trachea

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2
Q

3 virus diseases

A

Measles
HIV
Tobacco Mosaic Virus

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3
Q

Symptoms of Measles

A

Red skin rash
Signs of a fever

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4
Q

What can Measles lead to

A

Pneumonia or Encephalitis

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5
Q

How is Measles prevented

A

Vaccinated against it

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6
Q

How is Measles spread

A

Droplets

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7
Q

How is HIV spread

A

By sexual contact or exchanging bodily fluids

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8
Q

Symptoms of HIV

A

flu-like symptoms
attacks immune cells

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9
Q

What can HIV lead to

A

AIDS

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10
Q

How can HIV be controlled

A

Antiretroviral drugs

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11
Q

What does TMV cause

A

Leaves of plant to become discoloured
-less photosynthesis so stunts growth

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12
Q

Name a Fungal disease

A

Rose Black Spot

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13
Q

What does Rose Black Spot cause

A

Purple or black spots on leaves, leaves turn yellow and drop off
-Less photosynthesis so plant doesn’t grow well

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14
Q

How can Rose Black Spot be treated

A

Fungicides or cutting off affected leaves

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15
Q

How is Rose Black Spot spread

A

Wind or Water

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16
Q

Name a Protist Disease

A

Malaria

17
Q

What is a mosquito in Malaria

A

Vector

18
Q

How is Malaria spread

A

Mosquito picks up malarial protist when feeding on infected animal, and injects it into the animal’s blood cell when feeding

19
Q

How to stop spread of Malaria

A

Preventing mosquitos breeding

20
Q

How can people be protected from mosquitos

A

insecticides and mosquito nets

21
Q

Symptoms of Malaria

A

Repeating fever and can be fatal

22
Q

2 Bacterial diseases

A

Salmonella
Gonorrhoea

23
Q

What does Salmonella cause

A

Food poisoning

24
Q

Symptoms of Salmonella

A

Fever
Stomach cramps
Vomiting
Diarrhoea

25
Q

How are the symptoms of Salmonella caused

A

Toxins that bacteria produce

26
Q

How is salmonella controlled

A

Poultry vaccinated against salmonella
Cooking food

27
Q

What type of disease is Gonorrhoea

A

STD (sexually Transmitted Disease)

28
Q

How are STDs passed on

A

Sexual contact (unprotected sex)

29
Q

Symptoms of Gonorrhoea

A

Pain while urinating
Yellow or green discharge from vagina or penis

30
Q

How can spread of Gonorrhoea be prevented

A

Treatment of antibiotics
Using barrier methods during sex

AS GCSE Biology (14 decks)

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