Identify the incorrect statement:

1. Medusa of Scyphozoans are called as jelly fishes.

2. Ctenophores are the largest animals that move with the help of cilia.

3. Flat worms that have a digestive cavity, have an incomplete gut.

4. Nematodes are covered with thick cuticle that does not moult.

Match each item in Column I with one item in Column II and chose your answer from the codes given below:

Codes

             (a)  (b)  (c)  (d)  (e) 

1.          (i)  (ii)  (iii)  (iv)  (v) 

2.          (iv)  (iii)  (ii)  (i)  (v)   

3.          (iv)  (iii)  (i)  (v)  (ii)

4.          (iii)  (ii)  (i)  (v)  (iv) 

Planaria posses high capacity of

(1) metamorphosis

(2) regeneration

(3) alternation of generation

(4) bioluminescence

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

(1) Octopus

(2) Asterias

(3) Ascidia

(4) Fasciola

Which one of the following kinds of animals are triploblastic?

(1) Flat worms

(2) Sponges

(3) Ctenophores

(4) Corals

Biradial symmetry and lack of cnidoblasts are the characteristics of :

(1) Starfish and sea anemone

(2) Ctenoplana and Beroe

(3) Aurelia and Paramecium

(4) Hydra and starfish

Protonephridia are the excretory structures present in

(1) Planaria

(2) roundworm

(3) tapeworm

(4) Both 1 and 3

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively

(1) redia and miracidium

(2) cercaria and redia

(3) metacercaria and cercaria

(4) miracidium and metacercaria

Select the incorrect statement.

(1) Periplaneta has compound eyes.

(2) Earthworm shows segmentation.

(3) Ascaris shows sexual dimorphism

(4) Liver fluke has a complete alimentary canal

Some salient features and phyla of organisms are given below. Select the option which shows the correct combination of organism, its phylum and salient features.