Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

	Animals		Morphological Feature
(1)	Liver fluke, sea anemone, sea cucumber	–	Bilateral
(2)	Earthworm, prawn, scorpion	–	Jointed appendages
(3)	Scorpion, spider, cockroach	–	Ventral solid central nervous system
(4)	Cockroach, locust, Taenia	–	Metameric segmentation

 

Which one of the following pairs is mismatched?

What is common between parrot, platypus and kangaroo?

(1) Homeothermy

(2) Toothless jaws

(3) Functional post-anal tail

(4) Oviparity

Which one of the following is a matching pair of a body feature and the animal possessing it?

Which of the following pairs are correctly matched?

(1) A, C and D

(2) B, C and D

(3) Only A and D

(4) Only A and B

What is true about Nereis, Scorpion, Cockroach and Silver fish?

(1) They all have jointed paired appendages

(2) They all possess dorsal heart

(3) None of them is aquatic

(4) They all belong to the same phylum

Which one of the following is not a living fossil?

(1) King crab

(2) Sphenodon

(3) Archaeopteryx

(4) Peripatus

Which one of the following is a matching set of a phylum and its three examples?

1. Cnidaria − Bonellia, Physalia, Aurelia

2. Platyhelminthes −  Planaria, Schistosoma, Enterobius

3. Mollusca − Loligo, Teredo, Octopus

4. Porifera − Spongilla, Euplectella, pennatula

Metameric segmentation is the characteristic of

(1) Platyhelminthes and Arthropoda

(2) Echinodermata and Annelida

(3) Annelida and Arthropoda

(4) Mollusca and Chordata

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