Phylum Aschelminthes MCQs with Answers

Phylum Aschelminthes MCQs

Hello students, our next topic for the MCQ is ‘PHYLUM ASCHELMINTHES’. The phylum Aschelminthes are billaterally symmetrical and triploblastic. These are aquatic, terrestrial, free living or parasitic in plants and animals. Digestive system consists of tubular alimentary canal with well-developed muscular pharynx. If we talk about reproduction then these Aschelminthes are dioecious that means the sexes are separate.

The following MCQ will help you more to understand this topic.

 

MCQ.1):Another name for the Aschelminthes organisms is …………………………

a) Flat worms

b) Round worms

c) Soft molluscan

d) None of these

 

MCQ.2):Adults of acanthocephalan are endoparasites in the intestinal tract of vertebrates and ……………………. Hosts needed to complete the lifecycle.

a) Two

b) Four

c) Seven

d) Nine

 

MCQ. 3):In the invertebrates, once the larva of acanthocephalan emerges from egg then it is called as ………………………………………………………………….

a) Androcium

b) Gynocium

c) Acanthor

d) Cystacanth

 

MCQ.4):Phylum nematode or roundworms are ………………………………..Covered by tough cuticles.

a) Segmented

b) Unsegmented

c) Pseudocoelomates

d) Both b) and c)

 

MCQ.5):…………………………………….. Is the most common roundworm parasite in the United States and it is also called as human pinworm.

a) Ascaris

b) Lumbricoids

c) Enterobius vermicularis

d) Periplaneta americana

 

MCQ.6)……………..……………… worm is a filarial worm and threadlike worm which lives in the lymphatic system where they block vessels.

a) Wuchereria spp.

b) Trichenella spiralis

c) Ascaris

d) Necator americanus

 

MCQ.7):The worms which belongs to phylum Nematomorpha are commonly called as ……………………………………

a) Hookworm

b) Elephantiasis worm

c)Trichinosis worm

d) Horse hair worm

 

MCQ.8):The fluid and connective tissue accumulation causes the anlargement of various appendages and this condition due to filarial worm is known as …………………………………………………………

a) Elephantiasis

b) Ascariasis

c) Trichinosis

d) Gordiasis

 

MCQ.9):The animals that do not have legs, are not covered by protective shell, which do not bear lophophore and are soft bodied flattened or rounded are called as ……………………………………

a) Birds

b) Mammals

c) Worms

d) Insects

 

MCQ.10):Which of the following animals can molt their cuticle and are closely related to the arthropods than to other Aschelminthes?

a)Nematomorpha

b)Kinorhyncha

c)Loricera

d)All of them

 

Answer

1) b) Round worms

2) a) Two

3) c) Acanthor

4) d) Both b) and c)

5) c) Enterobius vermicularis

6) a) Wuchereria spp.

7) d) Horse hair worm

8) a) Elephantiasis

9) c) Worms

10) d) All of them


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