6L14.5 Bacteria Vs Viruses

What is the primary difference between bacteria and viruses?

• Bacteria are larger than viruses.

• Bacteria are living organisms, while viruses are not clearly classified as living.

• Viruses can reproduce on their own, but bacteria cannot.

• Viruses are beneficial, but bacteria are always harmful.

Which of the following is NOT a characteristic of living things?

• Can reproduce independently

• Made of cells

• Can change the genetic code of other organisms

• Responds to environmental stimuli

How do bacteria benefit the human body?

• By evolving rapidly

• By helping in digestion and maintaining skin health

• By causing diseases

• By hijacking human cells

Why are viruses considered to be in a grey area between living and nonliving?

• They are made of multiple cells

• They can reproduce without a host

• They cannot reproduce without hijacking a host cell

• They respond to their environment like living organisms

What is a bacteriophage?

• A type of bacteria that kills viruses

• A virus that kills bacteria

• A virus that infects humans

• A bacteria that helps in digestion

How can weak or less harmful viruses benefit the human immune system?

• By changing the genetic code of human cells

• By making the body more susceptible to other viruses

• By causing severe illnesses

• By boosting the immune system against more harmful viruses

What is the role of viral DNA in human evolution?

• It makes humans immune to all viruses

• It can provide beneficial traits, such as the ability to digest starch

• It only causes diseases

• It has no role in human evolution

Why is it important to distinguish between bacterial and viral infections?

• Because different medicines are required for each type

• Because only bacteria can evolve

• Because antibiotics can treat both

• Because viruses are always more dangerous

What is the primary function of antibiotics?

• To kill viruses

• To prevent infections

• To kill bacteria

• To boost the immune system

How do vaccines work to prevent infections?

• By killing all pathogens in the body

• By using chemicals to destroy pathogens

• By introducing a weakened or dead form of the pathogen to activate the immune system

• By changing the genetic code of pathogens