Viruses (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How much smaller are viruses compared to bacteria?
How much smaller are viruses compared to bacteria?
About 50 times smaller
Which type of microscope is needed to observe viruses?
Which type of microscope is needed to observe viruses?
Electron microscope
What are the two essential components of every virus?
What are the two essential components of every virus?
Protein coat and nucleic acid core
What type of genetic material can viruses contain?
What type of genetic material can viruses contain?
DNA or RNA, but never both
Where can viruses replicate?
Where can viruses replicate?
Only inside living host cells
Which characteristic shows viruses are non-living?
Which characteristic shows viruses are non-living?
They cannot carry out metabolism
What are the three main shape groups of viruses?
What are the three main shape groups of viruses?
Spherical, rod, complex
Which virus is an example of a rod-shaped virus?
Which virus is an example of a rod-shaped virus?
Tobacco mosaic virus
Which of these is a viral disease in humans?
Which of these is a viral disease in humans?
Hepatitis
What symptom does tobacco mosaic disease cause in plants?
What symptom does tobacco mosaic disease cause in plants?
Spotted, mosaic patterns on leaves
How can bacteriophages be beneficial?
How can bacteriophages be beneficial?
They control bacterial infections
What did myxoma virus achieve in Australia in 1950?
What did myxoma virus achieve in Australia in 1950?
Controlled the rabbit population