Aschelminthes are called roundworms because

1.Body is circular in cross-section

2.Pharynx is muscular

3.Sexual dimorphism is present

4.Both 2 and 3

Which is true for roundworms?

1.Organ-system level of body organisation

2.Tube within tube plan

3.Pseudo-coelomate animals

4.All of these

Which of the following is not true for Roundworms

1.Complete alimentary canal

2.Well developed muscular pharynx

3.Both longitudinal and circular muscles present

4.Sexual Dimorphism

Which is correct regarding Roundworms

1.Females are longer than males

2.Males are longer than females

3.Monoecious

4.Females are curved from its caudal end.

Which of the following is true for roundworms but not true for flatworms

1.Bilateral symmetry

2.Triploblastic body plan

3.Dioecious

4.Internal Fertilastion

Which of the following is not true for roundworms but true for flatworms

1.Bilateral symmetry

2.Triploblastic body plan

3.Monoecious

4.Internal Fertilastion

Hookworms belongs to

1.Platyhelminthes

2.Aschelminthes

3.Nemathelminthes

4.Both 2 and 3

Rhabditis belongs to

1.Platyhelminthes

2.Aschelminthes

3.Nemathelminthes

4.Both 2 and 3

Caenorhabditis elegans belongs to

1.Platyhelminthes

2.Aschelminthes

3.Nemathelminthes

4.Both 2 and 3

Which of the following is true for given diagram

1.Male roundworm

2.Female roundworm

3.Dioecious

4.Both 1 and 3