Phylum Aschehelminthes

Q.

Differentiate Parazoa and Eumetazoa.

Q.

Which of the following is a member of nemathelminthes?

1. Earthworm

2. pinworm

3. Tapeworm

4. Roundworm

Q.

nematodes are commonly called as ___

1. Ringworms

2. flatworms

3. roundworms

4. tapeworms

Q. Which of the following is not related to phylum Nematoda?

1. Roundworms
2. Acoelomates
3. Pseudocoelomates
4. Ascarias

Q. Nematods are ____________ shaped.

1. Flat
2. Thread
3. Irregular
4. None of these

Q.

Which of the following is a feature of nemathelminthes?

1. Segmented body plan

2. Alimentary canal with two openings

3. Acoelomate

4. Radial symmetry

Q. Which of the following phyla of Kingdom Animalia are triploblastic in nature and have bilateral symmetry?

1. Coelenterata
2. Platyhelminthes
3. Nematoda
4. Annelida

Q. Echinoderms move by means of .

1. muscular foot
2. tube feet
3. setae

Q. Organisms of Nematoda and Platyhelminthes show many differences in anatomy.

1. False
2. True

Q. Earthworms belong to the phylum ____________.

1. Coelenterata
2. Nematoda
3. Annelida
4. Platyhelminthes

Q.

Annelids are similar to Nematodes. They are bilaterally symmetrical, cylindrical in shape and triploblastic. Still, they are placed in a separate category. Why?

1. Due to different type of coelom
2. Due to presence of body segmentation
3. Due to organ differentiation
4. Due to the mode of living

Q. Parasitic worms causing elephantiasis belong to

1. Arthropoda
2. Nematoda
3. Mollusca
4. Annelida

Q. Liver flukes belong to the phylum ___.

1. Porifera
2. Coelenterata
3. Platyhelminthes
4. Nematoda

Q. Select the characteristic features of Phylum Nematoda from the following.

1. Unsegmented
2. Round worms
3. Cylindrical
4. Parasitic
5. Hydra
6. Muscular foot
7. Single opening
8. Thread like