In Amphibia:
I. | Skin is moist without scales |
II. | A tympanum represents the ear |
III. | Fertilization is external |
1. | Only I and II are correct. |
2. | Only I and III are correct. |
3. | Only II and III are correct. |
4. | I, II, and III are correct. |
In which one of the following, the genus name, its two characters and its class/phylum are correctly matched?
Genus Name | Two characters | Class/Phylum | ||
1. | Salamandra | (i) | A tympanum represents ear | Amphibia |
(ii) | Fertilization is external | |||
2. | Pteropus | (i) | Skin possesses hair | Mammalia |
(ii) | oviparous | |||
3. | Aurelia | (i) | Cnidoblasts | Coelenterata |
(ii) | Organ level of organization | |||
4. | Ascaris | (i) | Body segmented | Annelida |
(ii) | Males and Females distinct |
In which of the following sets of organisms, does the external fertilization occur?
1. | Echinodermata and mosses |
2. | Hemichordata and ferns |
3. | Amphibians and algae |
4. | Reptiles and gymnosperms |
Which one of the following sets of animals share a four chambered heart?
1. | Amphibian, Reptiles, Birds |
2. | Crocodiles, Birds, Mammals |
3. | Crocodiles, Lizards, Turtles |
4. | Lizards, Mammals, Birds |