Welcome to the Quiz!
This quiz contains 14 questions from a mix of 1 subtopics.
Are viruses living organisms?
Yes
No
|
Are viruses made of cells?
Yes
No
|
Viruses are about 10,000 times __________ than animal or plant cells.
smaller
larger
|
How viruses spread and multiply
spread / food / infect / virus / cells
- Viruses can pass between humans via the air, contaminated or water, or by direct contact.
- As they can't reproduce themselves, viruses have to enter one of our , and then use it to create multiple copies of the virus itself.
- Once there are lots of copies, the viruses cause the cell to burst, and then go on to neighbouring cells.
|
How can measles be spread between people?
Via droplets in air when an infected person coughs or sneezes
Via contaminated food
Via direct contact
|
What are the symptoms of measles?
(Select all that apply)
Compromised immune system
Red skin rash
Fever (feeling hot and cold)
|
In the UK, are most people are vaccinated against measles?
Yes
No
|
Which two ways can HIV be spread between people?
Sexual contact
Coughing or sneezing
Exchange of bodily fluids
|
Infection with the HIV virus can lead to __________. This is where the immune system is so weak that the person can catch unusual infections.
SDIC
SIDS
AIDS
|
What is the treatment for HIV/AIDS?
Kidney transplant
Antiretroviral drugs
Statins
|
What type of organism does Tobacco Mosaic Virus (TMV) infect?
Fungi
Animals
Plants
Bacteria
|
What is the main symptom of Tobacco Mosaic Virus (TMV)?
Patches of the leaves get discoloured
Leaves turn black
Roots start to die
|
Tobacco Mosaic Virus (TMV) reduces the amount of photosynthesis that a plant can do.
What are the consequences of this?
(Select all that apply)
The plant won't be able to produce as many sugars
The plants leaves will turn purple
The plant won't be able to grow as well
|
What is the main mode of transmission for the Ebola virus?
Direct contact with infected bodily fluids
Mosquito bites
Contaminated food
Airborne droplets from sneezing
|