subject

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 10
A student observes that a virus cannot grow on nutrient agar plates. What does this suggest about viruses?
Describe one way in which viruses differ from bacteria.
Describe the difference between the lytic and lysogenic cycles of viral replication.
Describe the main steps in the lytic cycle of a virus.
Explain why vaccines are effective in preventing certain viral diseases.
Explain why viruses are considered obligate intracellular parasites.
A patient is diagnosed with a viral infection. Which of the following treatments is most likely to be effective? (1) Antibiotics (2) Antiviral drugs (3) Antifungal drugs (4) None of the above
A student observes that a virus cannot grow on nutrient agar plates. What does this suggest about viruses?
A patient is diagnosed with a viral infection. Which of the following treatments is most likely to be effective? (1) Antibiotics (2) Antiviral drugs (3) Antifungal drugs (4) None of the above
Which of the following best describes a virus? (1) A living cell (2) A non-living particle (3) A type of bacteria (4) A plant cell
Which of the following best describes the size of viruses compared to bacteria? (1) Larger (2) Smaller (3) About the same size (4) Much larger
Which of the following best explains why viruses are not classified as living organisms? (1) They do not have DNA or RNA (2) They cannot reproduce independently (3) They have cell walls (4) They can photosynthesize
Fill in the blank: The outer lipid layer found in some viruses is called the ______.
Fill in the blank: The process by which a virus injects its genetic material into a host cell is called ______.
Fill in the blank: The study of viruses is known as ______.
Fill in the blank: The virus that causes acquired immunodeficiency syndrome (AIDS) is called ______.
State whether the following statement is true or false: All viruses have an envelope.
State whether the following statement is true or false: Antibiotics are effective against viral infections.
Viruses are considered living organisms. Yes or No?
Viruses can reproduce only inside the cells of living organisms. True or False?