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Consider the following statements regarding Protozoa. 1. Protozoa can feed on bacteria and fungi. 2. Protozoa give off nitrogen after digesting their food. 3. Malaria is caused by protozoa. Which of the following statements given above is/are correct?

Consider the following statements regarding Protozoa. 1. Protozoa can feed on bacteria and fungi. 2. Protozoa give off nitrogen after digesting their food. 3. Malaria is caused by protozoa. Which of the following statements given above is/are correct? Correct Answer 1, 2 and 3

The correct answer is 1, 2 and 3.

Important Points

Protozoa

  • Protozoa mainly feed on bacteria, but they also eat other protozoa, and sometimes fungi. Hence statement 1 is correct.
  • Some protozoa absorb food through their cell tissues.
  • All protozoa digest their food in stomach-like compartments.
  • As they digest, they make and give off nitrogen, which is an element that plants and other higher creatures can use. Hence statement 2 is correct.
  • Most protozoa do us no harm. But there are a few that cause diseases.
  • One type of amoeba can live in human intestines.
    • It feeds on red blood cells and causes a disease known as dysentery.
  • Another species of protozoa can sicken hundreds of thousands of people when it gets into the tap water.
    • Perhaps the best-known deadly protozoa cause malaria. Hence statement 3 is correct.

Related Questions

Consider the following statement
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