Identify the incorrectly matched pair:

	Animals	Feature present in both
1.	Balanoglossus and Pinctada	Open circulatory system
2.	Branchiostoma and Ascidia	Persistent notochord
3.	Aplysia and Pheretima	True coelom
4.	Gorgonia and Pennatula	Cnidoblasts

Pteropus is a/an:

Which of the following is not an arthropod characteristic?

1. Jointed appendages

2. Non-segmented bodies

3. Periodic moulting

4. Articulated exoskeleton

The character that gives the Phylum Chordata is shown by:

1. A

2. B

3. C

4. D

The structure shown in the given diagram is characteristically seen in the Phylum:

1. Porifera

2. Ctenophora

3. Cnidaria

4. Molluska

Consider the following statements:

I. Platyhelminthes are acoelomates and use protonephridia as excretory structures.

II. Aschelminthes are pseudocoelomates and have bilateral symmetry.

III. Adult echinoderms show radial symmetry and exhibit deuterostome type embryonic development.

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Consider the following statements:

Chordates-

Which of the above statements are true?

1 I and II only

2. I and III only

3. II and III only

4. I, II and III

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

Column I       Column II
(animal)        (phylum)
I. Loligo       1. Mollusca
II. Ophiura   2. Echinodermata
III. Beroe     3. Cnidaria
IV. Adamsia  4. Ctenophora

Codes:

  I II III IV

1. 1 2 3 4

2. 2 1 4 3

3. 2 1 3 4

4. 1 2 4 3

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