Column I | Column II | ||
A. | Spongilla | P. | Sea-fan |
B. | Euspongia | Q. | Brain coral |
C. | Gorgonia | R. | Fresh Water sponge |
D. | Meandrina | S. | Sea-pen |
E. | Pennatula | T. | Bath sponge |
A | B | C | D | E | |
1. | T | R | P | Q | S |
2. | R | T | P | Q | S |
3. | T | R | Q | S | P |
4. | R | T | S | P | Q |
1. | Cnidaria | 2. | Aschelminthes |
3. | Hemichordata | 4. | Echinodermata |
1. | Ventral, solid, double nerve cord |
2. | Notochord |
3. | Pharyngeal slits |
4. | Post anal tail |
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) |