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 true about Tapeworm

1.Primary host is man

2.Secondary host is pig

3.Hermaphrodite

4.All of the above

Which of the following is true about Liver fluke

1.Primary host is Sheep/Goat

2.Secondary host is Garden snail

3.Cause Cirrhosis

4.All of the above

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

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