Malaria Resurgence and Plasmodium Characteristics
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Questions and Answers

What is the name of the protist causing malaria?

  • Diatoms
  • Plasmodium (correct)
  • Dinoflagellates
  • Amoeba

In which large group does Plasmodium belong?

  • Chrysophyta
  • Apicomplexa (correct)
  • Pyrrhophyta
  • Rhizopoda

What is the primary food source at the base of the freshwater food chain?

  • Plasmodium
  • Dinoflagellates
  • Amoeba
  • Diatoms (correct)

Which protist releases a large amount of energy into planktonic food webs?

<p>Dinoflagellates (A)</p> Signup and view all the answers

Which protist helps white blood cells fight disease?

<p>Amoeba (D)</p> Signup and view all the answers

Which protist is motile and free-living?

<p>Amoeba (D)</p> Signup and view all the answers

What is an example of endosymbiosis in animals mentioned in the text?

<p>Termites &amp; their protozoan gut inhabitant (D)</p> Signup and view all the answers

In bioaccumulation, what accumulates inside living organisms?

<p>Toxins or toxic chemicals (B)</p> Signup and view all the answers

What is biomagnification primarily associated with?

<p>Increasing toxin levels (C)</p> Signup and view all the answers

Which of the following best defines an endocrine disruptor?

<p>A chemical that disrupts normal endocrine system functions (B)</p> Signup and view all the answers

Why does Plasmodium continue to pose a great risk to human health according to the text?

<p>Despite modern medical advances, it has developed resistance (B)</p> Signup and view all the answers

What is one example of Plasmodium's resilience mentioned in the text?

<p>Evolution of resistant varieties of Anopheles mosquitoes (C)</p> Signup and view all the answers

What is the difference between primary and secondary endosymbiosis in terms of mitochondrial and plastid evolution?

<p>Primary endosymbiosis involves the uptake of a free-living bacterium by a heterotrophic eukaryote, while secondary endosymbiosis involves the engulfment of a photosynthetic eukaryote by another eukaryote. (A)</p> Signup and view all the answers

Which statement accurately describes the relationship between algae and the evolution of mitochondria and plastids?

<p>Algae were the original hosts of mitochondria, while plastids evolved from cyanobacteria within algae. (C)</p> Signup and view all the answers

What evidence supports the theory that mitochondria were acquired before plastids in eukaryotic evolution?

<p>The DNA of plastid genes in algae is similar to that of cyanobacteria, indicating a later acquisition of plastids. (A)</p> Signup and view all the answers

How has advancements in systematics impacted the classification of Protista as a kingdom?

<p>The kingdom Protista was dissolved due to new evidence suggesting its groups have ancestors in common with other kingdoms rather than with each other. (C)</p> Signup and view all the answers

Why is it inaccurate to categorize Protista into one cohesive group based on evolutionary classification?

<p>Protista groups have diverse ancestors from different kingdoms rather than sharing a common ancestry with each other. (C)</p> Signup and view all the answers

What evidence supports the claim that all eukaryotes studied so far have either mitochondria or modified versions of them?

<p>Identification of common mitochondrial structures across diverse eukaryotic species through genetic analyses. (C)</p> Signup and view all the answers

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