Which of the following worm infection is unlikely to result in the inflammation of the intestinal tract?
1. tapeworm
2. threadworm
3. pin worm
4. filarial worm

Match the following genera with their respective phylum :

Which of the following animals are true coelomates with bilateral symmetry ?

1. Adult Echinoderms

2. Aschelminthes

3. Platyhelminthes

4. Annelids

Exoskeleton is absent in:

(i) fishes         (ii) frog

(iii) rabbit        (iv) toad

(1) (i), (ii)          (2) (ii), (iii)

(3) (i), (iii)           (4) (ii), (iv)

The character that gives the Phylum Chordata its name 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

Which of the following is incorrect for the given diagram?

1. Dioecious

2. External fertilisation

3. Indirect development

4. Saccoglossus

Which of the following is not true for the given diagram?

1. Worm like animals

2. Closed circulatory system

3. Respiration through gills

4. Excretion through proboscis gland

Which of the following is the distinctive feature of Hemichordata?

1. Worm like animals

2. Body is composed of Proboscis, Collar and Trunk

3. Notochord present

4. Both A and B

Which is incorrect for Hemichordata?

1. Cylindrical body

2. Proboscis, Collar and Trunk present

3. Bilaterally symmetrical

4. Head, Collar and Trunk present