Match the name of the animal (Column I), with one characteristic (Column II), and the phylum/class (Column III) to which it belongs:
Column I
Column II
Column III
1.
Ichthyophis
terrestrial
Reptilia
2.
Limulus
body covered by chitinous exoskeleton
Pisces
3.
Adamsia
radially symmetrical
Porifera
4.
Petromyzon
ectoparasite
Cyclostomata
Which of the following are correctly matched with respect to their taxonomic classification?
| 1. | Centipede, millipede, spider, scorpion-Insecta |
| 2. | House fly, butterfly, tsetse fly, silverfish-Insecta |
| 3. | Spiny anteater, sea urchin, sea cucumber- Echinodermata |
| 4. | Flying fish, cuttlefish, silverfish- Pisces |
One of the representatives of the phylum Arthropoda is:
1. Silverfish
2. Pufferfish
3. Flying fish
4. Cuttlefish
In which one of the following the genus name, its two characters and its class/phylum are correctly matched?
| Genus | Two Characters | Class/phylum |
| (a) Salman dra | (i) A tympanum represents ear (ii) Fertilisation is external |
Amphibia |
| (b) Pteropus | (i) Skin possesses hair (ii) Oviparous |
Mammalia |
| (c) Aurelia | (i) Cnidobles (ii) organ level of Organisation |
Coelenterata |
| (d) Ascaris | (i) Body segmented (ii) Males and Female distinct |
Annelida |
2. (b)
3. (c)
4. (d)
| 1. | absence of true coelom but the presence of metamerism |
| 2. | presence of neither true coelom nor metamerism |
| 3. | presence of true coelom but the absence of metamerism |
| 4. | presence of true coelom and metamerism (metamerisation) |
Which one of the following has an open circulatory system?
1. Pheretima
2. Periplaneta
3. Hirudinaria
4. Octopus
Which type of cells are absent in sponges?
1. Trophocytes
2. Myocytes
3. Archaeocytes
4. Cnidocytes
The structure present in all adult vertebrates is:
1. Notochord
2. Dorsal tubular nerve cord
3. Pharyngeal gill slits
4. All of the above
Which one of the following is not a vertebrate?
1. Sea cow
2. Sea lion
3. Sea horse
4. Sea hare
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