Find out the correct match from the following table:-

1. (i) only 
2. (i) and (ii)
3. (iii) only
4. (ii) and (iii)

How many of the characters given below are true for echinoderms?

1. 3
2. 4
3. 5
4. 6

Consider the following statements:

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

II. Aschelminthes are pseudocoelomates and have bilateral symmetry.

III. Adult echinoderms show radial symmetny 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

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

Which of these is not a coelenterate?

(1) Sea pen

(2) Sea fur

(3) Sea anemone

(4) Sea lily

Which of the following is not an annelid?

1. Leech

2. Earhtworm

3. Sea mouse

4. Sea cucumber

In which of the following animals the adults have pentamerous radial symmetry while their larvae are bilaterally symmetrical?

(1) Arthropods

(2) Molluscs

(3) Echinoderms

(4) Annelids

Select the group of animals belonging to different phyla?

1.  Hirudinaria, Limulus, Laccifer.

2.  Nereis, Dentalium, Aplysia.

3.  Pheretima, Chaetopleura, Ophiura.

4.  Cucumaria, Anteadon, Loligo.

Animals without excretory system, separate sexes,
and calcareous endoskeleton are applicable for

1. Chaetopeura 

2. Ophiura

3. Limulus 

4. Spongilla

Which of the following structure is associated with
locomotion ?
(i) Parapodia.
(ii) Water vascular system.
(iii) Radula.
(iv) Proboscis.

1. (i), (ii), (iii), (iv) 

2. (i) only

3. (i), (ii) only

4. (i), (iii) only