Phylum: Nematoda

IMPORTANT

Phylum: Nematoda: Overview

This topic covers concepts such as Class Aphasmidia, Class Phasmidia, Phylum Aschelminthes, Ascaris, Wuchereria and Ancylostoma.

Important Questions on Phylum: Nematoda

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The class Phasmidia belongs to the phylum Annelida.

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Which of the following organism is included in the class Phasmidia?

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Fill in the blank with the correct answer from the bracket.

Trichinella is found in the _____ of human beings. (stomach, mouth, small intestine, large intestine)

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The class Aphasmidia comes under the phylum Annelida.

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Which of the following organism is included in the class Aphasmidia?

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Complete the following table :

Name Habitat Infection occurs by Effect
Ascaris lumbricoides _____ Intake of eggs Anaemia, diarrhoea.
_____ Lymph vessels Larvae enter through feet _____
Enterobius vermicularis _____ by swallowing eggs _____

 

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Ancylostoma is commonly called the "Giant intestinal roundworm".

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Ancylostoma is a Nemathelminth while Ascaris is an Aschelminth.

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Which among the following animals belong to the Phylum Aschelminthes?

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What is common between Ascaris and Anopheles?

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Which of the following statement is correct about Ascaris?

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In Nemathelminthes, the coelom is not lined by peritoneum, such coelom is called _____.

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Study the following statements regarding filarial worm and select the incorrect one
A. The inflammation in the lymph vessels is called lymphadenitis.
B. Swelling in the extremities of limbs, scrotum and mammary glands is called lymphoedema.
C. Sausage shaped larva undergoes three moultings and transforms into infective 3rd  stage microfilaria.
D. 3rd stage microfilaria larva enters the blood vessels of man and undergoes the 3rd and 4th moultings to produce young filarial worm.

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A free-living round worm is

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Wuchereria bancrofti is a common filarial worm. It belongs to the phylum

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Which of the following is pseudocoelomate?

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In nemathelminthes the coelom is not lined by peritoneum is

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Which of the following organisms is pseudocoelomate?

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Which of the following enters the intestine by penetrating through the skin?

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Which one of the following groups of animals is bilaterally symmetrical and triploblastic?