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 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 one of the following groups of animals is bilaterally symmetrical and triploblastic?

(1) Coelenterates (cnidarians)

(2) Aschelminthes (round worms)

(3) Ctenophores

(4) Sponges

Which one of the following statements about certain given animals is correct?

1. Round worms (Aschelminthes) are pseudocoelomates

2. Molluscs are acoelomates

3. Insects are pseudocoelomates

4. Flat worms (Platyhelminthes) are coelomates

Digestive system consists of a mouth and anus in which animals

(1) Ancylostoma

(2) Wuchereria

(3) Adamsia

(4) Both (1) and (2)

Ancylostoma is also known as

(1) Pinworm

(2) Hookworm

(3) Flatworm

(4) Filarial worm

Which of the following is correct statement

1.Digestive system is incomplete in Flatworms but complete in Roundworms

2. Digestive system is complete in Flatworms but incomplete in Roundworms

3. Digestive system is complete in Flatworms and roundworms

4. Digestive system is incomplete in Flatworms and Roundworms

Pseudocoelomate among the following is

(1) Ancylostoma

(2) Nereis

(3) Pheretima

(4) Taenia

Pinworm, Hookworm and Filaria worm belong to:

1. Annelida

2. Platyhelminthes

3. Aschelminthes

4. Arthropoda

Which of the following is dioecious?

(1) Taenia

(2) Fasciola

(3) Ascaris

(4) Earthworm