Parasitism: Nature's Oldest Organisms

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Questions and Answers

What is parasitism?

  • A form of competition between two organisms for resources
  • A form of mutualistic relationship between two organisms
  • A form of antagonistic coexistence where one organism benefits and the other suffers damage (correct)
  • A type of commensalism where both organisms benefit

How do parasites ensure they achieve maximum benefits from their hosts?

  • By competing with the host for resources
  • By being as invisible as possible to the host
  • By directly attacking the host's immune system
  • By developing a range of adaptations to their hosts (correct)

How do parasites usually transmit from one organism to another?

  • Through airborne particles
  • Through direct physical contact
  • Through contaminated water sources
  • Through blood sucking by an infected insect or acarine (correct)

Why are vectors important in parasite transmission?

<p>To transmit parasitic organisms from one organism to another (B)</p> Signup and view all the answers

What percentage of living organisms are estimated to be infected by various parasites?

<p>Three-fourths (A)</p> Signup and view all the answers

Where do the most dangerous diseases caused by parasitic organisms primarily occur?

<p>In developing countries (A)</p> Signup and view all the answers

What are some factors contributing to the increased susceptibility to infection in present times?

<p>Import of food products (D)</p> Signup and view all the answers

Why are parasitic diseases still a serious problem despite advancements in science and medicine?

<p>Increased disability and death caused by parasitic diseases (D)</p> Signup and view all the answers

What is a common way for detecting antibodies in parasitic infections?

<p>Performing a blood test (A)</p> Signup and view all the answers

What is a common vector for transmitting diseases mentioned in the text?

<p>Mosquitoes (B)</p> Signup and view all the answers

Why is the lack of public awareness about parasites considered a factor contributing to the increased susceptibility to infection?

<p>It hinders proper understanding of risks and preventive measures (D)</p> Signup and view all the answers

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