Viruses

Biology ⇒ Microorganisms and Microbiology

Viruses starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Viruses. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 7

Describe how a vaccine helps protect against viral diseases.

Describe one way viruses can be transmitted from person to person.

Describe the lytic cycle of a virus.

Explain why handwashing is important in preventing viral infections.

Explain why viruses are difficult to treat with medicines.

Explain why viruses are not classified as living organisms.

Name one disease caused by viruses.

A student is sick with the flu. Which type of medicine should they take to treat the virus? (1) Antibiotic (2) Antiviral (3) Antifungal (4) Antacid

Viruses can infect which of the following? (1) Only animals (2) Only plants (3) Only bacteria (4) All living things

Which of the following best describes the size of viruses? (1) Visible to the naked eye (2) Visible with a light microscope (3) Visible only with an electron microscope (4) Larger than most cells

Which of the following is a viral disease? (1) Tuberculosis (2) Malaria (3) Influenza (4) Ringworm

Fill in the blank: The genetic material of a virus can be either ______ or DNA.

Fill in the blank: The outermost layer of some viruses, made of lipids, is called the ______.

Fill in the blank: The process by which a virus attaches to a host cell is called ______.

Fill in the blank: The process by which a virus enters a host cell and uses it to make more viruses is called ______.

True or False: All viruses are harmful to humans.

True or False: All viruses have the same shape.

True or False: Antibiotics are effective against viral infections.

True or False: Some viruses can infect plants and cause diseases in crops.