Which of the following is true about digestion of Ctenophores?

1.Extracellular digestion

2.Intracellular digestion

3.Both 1 and 2

4.Neither Intracellular nor Extracellular

Which of the following is true about Ctenophores?

1.Reproduction takes place by sexual means only

2.Fertilisation is external

3.Indirect development

4.All of these

Pleurobrachia is

1.Hermaphrodite

2.Dioecious

3.Bisexual

4.Both 1 and 3

Which of the following is common in Cnidarians and Ctenophora

1.Digestion is both intracellular and extracellular

2.Cnidoblast

3.Only sexual means of reproduction present

4.Metagenesis

Which is not true for Ctenophora

Which of the following attribute started from Platyhelminthes

1.Organ level of organisation

2.Coelom

3.Segmentation

4.Closed circulatory system

Which is true for flatworms?

1.Bilaterally symmetrical

2.Triploblastic body plan

3.Acoelomate animals

4.All of these

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