| Column-I | Column-II | ||
| (a) | Exocoetus | (i) | Tympanum represents the ear | 
| (b) | Trygon | (ii) | Marine bony fish | 
| (c) | Salamandra | (iii) | Air sacs connected to lungs | 
| (d) | Aptenodytes | (iv) | Cartilaginous marine fish | 
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) | 
| 2. | (iv) | (iii) | (ii) | (i) | 
| 3. | (ii) | (iv) | (i) | (iii) | 
| 4. | (i) | (iii) | (ii) | (iv) | 
| 1. | Porifers | Body with pores and canals in walls | 
| 2. | Coelenterates | Presence of cnidoblasts | 
| 3. | Platyhelminthes | Flat body and suckers | 
| 4. | Arthropods | Chitinous exoskeleton, comb plates | 
| Column-I | Column-II | ||
| A. | Cyclostomata | (i) | Mouth without jaws | 
| B. | Chondrichthyes | (ii) | Exclusively oviparous | 
| C. | Aves | (iii) | Gills without operculum | 
| D. | Mammalia | (iv) | Unique in possessing hair | 
| A | B | C | D | |
| 1. | (i) | (ii) | (iii) | (iv) | 
| 2. | (ii) | (iii) | (iv) | (i) | 
| 3. | (i) | (iii) | (ii) | (iv) | 
| 4. | (ii) | (i) | (iv) | (iii) | 
| 1. | Balanoglossus | Open-type circulation with capillaries | 
| 2. | Betta | Closed type circulation without capillaries | 
| 3. | Neophron | Digestive tract with crop and gizzard | 
| 4. | Balaenoptera | Presence of mammary glands and pinnae | 
| 1. | Presence of one auricle and one ventricle | 
| 2. | External fertilisation | 
| 3. | Separate sexes | 
| 4. | Lack of capacity to regulate body temperature | 
| Features | Phylum A | Phylum B | |
| a. | Presence of 3 germ layers | Absent | Present | 
| b. | Hermaphroditism | Present | Present | 
| c. | Regeneration | Present | Present in some members  | 
		
| d. | Digestive System | Absent | Incomplete | 
| A | B | |
| 1. | Platyhelminthes | Arthropoda | 
| 2. | Porifera | Platyhelminthes | 
| 3. | Cnidaria | Aschelminthes | 
| 4. | Ctenophora | Annelida |