Viral,Fungal,and Protist Diseases

Question 1

What is measles and how are they spread?

Answer 1

A viral disease,spread by droplets from an infected person’s sneeze or cough.

Question 2

What are the side effects of measles?

Answer 2

Red skin rash and signs of fever.

Question 3

What can measles be if there are complications and can you give an example?

Answer 3

Very serious and even fatal.For example measles can lead to pneumonia(a lung infection)or a brain infection called encephalitis.

Question 4

How do people protect themselves from measles?

Answer 4

Vaccination,especially at a young age.

Question 5

What is HIV?

Answer 5

A virus spread by sexual contact or by exchanging bodily fluids such as blood.This can happen when sharing needles when taking drugs.

Question 6

What does HIV cause?

Answer 6

flu-like symptoms for a few weeks.The person doesn’t then experience any symptoms for several years.

Question 7

What is used to help with HIV?

Answer 7

Can be controlled with antiretroviral drugs.These stops the virus replicating in the body.

Question 8

What does the virus(HIV) attack?

Answer 8

The immune cells.If the body’s immune system is badly damaged,it can’t cope with other infections or cancers.At this stage ,the virus is known as late stage HIV infection or AIDS.

Question 9

What is TMV?

Answer 9

Tobacco mosaic virus that affects many species of plants.

Question 10

What does TMV cause?

Answer 10

A mosaic pattern on the leaves of the plants-parts of the leaves become discoloured. This means that plants can’t carry out photosynthesis as well,so the virus affects growth.

Question 11

What’s a rose black spot an example of and what does it cause?

Answer 11

A fungus that causes purple or black spots to develop on the leaves of rose plants.This leads to less photosynthesis,so the plant doesn’t grow very well.

Question 12

How do rose black spots spread?

Answer 12

Through the environment in water or by the wind.

Question 13

How can gardeners treat the rose black spot?

Answer 13

Using fungicides and by stripping the plant of its affected leaves .These leaves then need to be destroyed so that fungus can’t spread to other rose plants.

Question 14

What is the cause of malaria?

Answer 14

Protist

Question 15

Where does part of the malarial protists’s life cycle take place in and what is it?

Answer 15

Inside the mosquito,which are vectors.They pick up the malarial protist when they feed on an infected animal.

Question 16

What happens every time a mosquito feeds on another animal?

Answer 16

It infects it by inserting the protist into the animal’s blood vessels.

Question 17

What does malaria cause?

Answer 17

Recurrent episodes of fever,which can be fatal.

Question 18

How can the spread of malaria be reduced?

Answer 18

By stopping the mosquitoes from breeding.

People can protect themselves from mosquitoes by using insecticides and mosquito nets.