Which of the following helps in excretion and osmoregulation in Flatworms

1.Flame cells

2.Nephridia

3.Malphigian tubules

4.Green glands

Hooks and Suckers are present in

1.All Flatworms

2.Parasitic flatworms

3.Non-parasitic flatworms

4.None of these

Which of the following is known as Tapeworm

1.Dugesia tigrina

2.Taenia solium

3.Fasciola hepatica

4.Schistoma

Which of the following is known liverfluke

1.Taeniasaginata

2.Taeniasolium

3.Fasciola hepatica

4.Schistoma

Which of the following is not true about Flatworms

1.Fertilisation is internal

2.Indirect development

3.Hermaphrodite

4.Mesoderm is absent

A phylum which are multicellular, having Bilateral symmetry and without body cavity is

1.Platyhelminthes

2.Aschelminthes

3.Nemathelminthes

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 given diagram

1.Male roundworm

2.Female roundworm

3.Dioecious

4.Both 1 and 3