(a) Marine habitat with a streamlined body
(b) Cartilaginous endoskeleton
(c) Mouth ventral
(d) Claspers in males
(e) Notochord is persistent throughout life
How many organisms (those are given below) possess the above characters? Dogfish, Sawfish, Flying fish, Fighting fish, Starfish, Trygon, Torpedo, Rohu, Katla, Magur
(b) Cartilaginous endoskeleton
(c) Mouth ventral
(d) Claspers in males
(e) Notochord is persistent throughout life
Important Questions on Animal Kingdom
(a) All the Chordata are Vertebrata but all the Vertebrata are not Chordata
(b) Tissue grade body organization showing animals are radially symmetric
(c) All the radially symmetric organism are diploblastic
(d) All the diploblastic organisms are acoelomates
(e) All the pseudocoelomates are organ system grade body organization showing organisms.
Select the córrect match.
| A. | Bufo | 1. | Salamander |
| B. | Frog | 2. | Rana |
| C. | Hyla | 3. | Limbless amphibian |
| D. | Salamandra | 4. | Tree frog |
| E. | Ichthyophis | 5. | Toad |
Select the correct match.
Animals belonging to phylum Chordata are fundamentally characterised by the presence of structure noted as and D. Identify and D.
Observe the following diagrams and pick the correct option.
(a) 
(b) 
Water from the two tanks shown in the diagram was tested 3 hours after they were stocked with indicated animals. The predominant nitrogenous waste detected in Tank-I and Tank-II respectively would be
