Viral Diseases Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what’s on both sides.
  • Make sure you understand the information on each card. If something’s unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It’s useful to remember specific examples to understand these concepts better.

Why are viruses not classified as living organisms?

Viruses do not complete the seven life processes: movement, reproduction, sensitivity, respiration, nutrition, excretion and growth.

What are viruses made of?

Viruses are made up of a short length of genetic material surrounded by a protein coat. They are described as “strains” instead of “species.”

How does HIV affect the body?

HIV damages cells in the immune system. If untreated, it can lead to AIDS, where the immune system is too weak to fight off infections or cancers.

What are the symptoms and spread of measles?

Symptoms include fever and red skin rash. Measles spreads through droplets when an infected person coughs or sneezes.

What are the symptoms and prevention methods for Tobacco Mosaic Virus (TMV)?

TMV causes discolouration in leaves, forming a mosaic pattern and reducing photosynthesis. It spreads through contact between diseased and healthy plants. Good field hygiene and growing TMV-resistant strains help prevent it.

Can antibiotics kill viruses?

No, unlike bacteria, viruses cannot be killed by antibiotics.

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