Which of the following characteristic features always hold true for the corresponding group of animals?
(a) Viviparous | (1) Mammalia |
(b) Possess a mouth with an upper and a lower jaw | (2) Chordata |
(c) 3- chambered heart with one incompletely divided ventricle | (3) Reptilia |
(d) Cartilaginous - Endoskeleton | (4) Chondrichthyes |
1. a
2. b
3. c
4. d
Which of the following characteristics is mainly responsible for the diversification of insects on land:
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 II | |
1. | Ichthy ophis | 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