Match the following list of animals with their level of organisation.
| Division of Labour | Animal | ||
|---|---|---|---|
| (i) | Organ level | A. | Pheretima |
| (ii) | Cellular aggregate level | B. | Fasciola |
| (iii) | Tissue level | C. | Spongilla |
| (iv) | Organ system level | D. | Obelia |
Choose the correct match showing division of labour with animal example.
Match the column I with column II and choose the correct option.
| Division of Labour | Animal | ||
|---|---|---|---|
| A. | Porifera | 1. | Canal system |
| B. | Aschelminthes | 2. | Water vascular system |
| C. | Annelida | 3. | Muscular Pharynx |
| D. | Arthropoda | 4. | Jointed appendages |
| E. | Echinodermata | 5. | Metameres |
Write one example for each of the following in the space provided.
(a) Cold blooded animal ............
(b) Warm blooded animal ..........
(c) Animal possessing dry and cornified skin ............
(d) Dioecious animal ..........
Give an example of the following
(a) Roundworm
(b) Fish possessing poison sting
(c) A limbless reptile/amphibian
(d) An oviparous mammal
Provide appropriate technical term in the space provided.
(a) Blood-filled cavity in arthropods ............
(b) Free-floating form of cnidaria .............
(c) Stinging organ of jelly fishes .............
(d) Lateral appendages in aquatic annelids ...........
Match the following.
| Animals | Locomotory Organ | ||
|---|---|---|---|
| A. | Octopus | 1. | Limbs |
| B. | Crocodile | 2. | Comb plates |
| C. | Catta | 3. | Tentacles |
| D. | Ctenoplana | 4. | Fins |
Differentiate between
(a) Open circulatory system and closed circulatary system.
(b) Oviparous and viviparous characteristic .
(c) Direct development and Indirect development.
Fill up the blank spaces appropriately
| Phylum/Class | Excretory Organ | Circulatory Organ | Respiratory Organ |
|---|---|---|---|
| Arthropoda | Lungs/Gills/Tracheal System | ||
| Nephridia | Closed | Skin/Parapodia | |
| Metanephridia | Open | ||
| Amphibia | Closed | Lung |
Match the following
| A. | Amphibia | (i) | Air bladder |
|---|---|---|---|
| B. | Mammals | (ii) | Cartilaginous notochord |
| C. | Chondrichthyes | (iii) | Mammary glands |
| D. | Osteichthyes | (iv) | Pneumatic bones |
| E. | Cyclostomata | (v) | Dual habitat |
| F. | Aves | (vi) | Sucking and circular mouth with out jaws. |
Match the following and write correct choice in space provided
| Animal | Characteristics | ||
|---|---|---|---|
| A. | Pila | (i) | Jointed appendages |
| B. | Cockroach | (ii) | Perching |
| C. | Asterias | (iii) | Water vascular system |
| D. | Torpedo | (iv) | Electric organ |
| E. | Parrot | (v) | Presence of shell |
| F. | Dog fish | (vi) | Placoid scales |
Differentiate between
(a) Open and closed circulatory system
(b) Oviparity and viviparity
(c) Direct and indirect development
(d) Acoelomate and pseudocoelomate
(e) Notochord and nerve cord
(f) Polyp and medusa
Give the characteristic features of the following citing one example of each
(a) Chondrichthyes and ostichthyes
(b) Urochordata and cephalochordata
Mention two similarities between
(a) Aves and mammals
(b) A frog and crocodile
(c) A turtle and Pila
Name
(a) A limbless animal
(b) A cold blooded animal
(c) A warm blooded animal
(d) An animal possessing dry and cornified skin
(e) An animal having canal system and spicules
(f) An animal with cnidoblasts
Give an example for each of the following
(a) A viviparous animal
(b) A fish possessing a poison sting
(c) A fish possessing an electric organ
(d) An organ, which regulates buoyancy
(e) Animal, which exhibits alternation of generation
(f) Oviparous animal with mammary gland
Excretory organs of different animals are given below. Choose correctly and write in the space provided.
| Animal | Excretory Organ/Unit | ||
|---|---|---|---|
| A. | Balanoglossus | (i) | Metanephridia |
| B. | Leech | (ii) | Nephridia |
| C. | Locust | (iii) | Flame cells |
| D. | Liver fluke | (iv) | Absent |
| E. | Sea urchin | (v) | Malpighian tubule |
| F. | Pila | (vi) | Proboscis gland |
Give three major differences between chordates and non chordates and draw a schematic sketch of a chordate showing those features.
What is the relationship between germinal layers and the formation of body cavity in case of coelomate, acoelomates and pseudocoelomates?
Comment upon the habitats and external features of animals belonging to class-Amphibia and Reptilia.
Mammals are most adapted among the vertebrates elaborate.