Question 11 of 11intermediate🧠 RememberLong Answer3 marks

Prepare a list of some animals that are found parasitic on human beings.

Correct Answer

Several animals are found parasitic on human beings. These include members from different phyla:

Phylum Platyhelminthes (Flatworms): These are mostly endoparasites found in animals including human beings. Examples include Taenia (Tapeworm) and Fasciola (Liver fluke). They possess hooks and suckers for attachment to the host.

Phylum Aschelminthes (Roundworms): These include parasitic forms like Ascaris (Roundworm), Wuchereria (Filaria worm), and Ancylostoma (Hookworm). They may be parasitic in plants and animals.

Phylum Annelida: Hirudinaria (Blood sucking leech) is an example of a parasitic annelid that feeds on human blood.

Thus, parasites from multiple phyla affect human beings.

Exercise: EXERCISES | Q: 15 | (Page 18)
For More Understanding

Explanation

The textbook context clearly identifies parasitic animals from three phyla. Platyhelminthes are described as 'mostly endoparasites found in animals including human beings' with examples Taenia and Fasciola. Aschelminthes are described as 'parasitic in plants and animals' with examples Ascaris, Wuchereria, and Ancylostoma. Hirudinaria is explicitly mentioned as a 'Blood sucking leech' under Annelida.

Solution Steps

  1. Step 1: Identify phyla containing parasitic animals from the context

  2. Step 2: Extract specific examples mentioned as parasitic on humans

  3. Step 3: Organize the answer phylum-wise with key examples

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