Animal Kingdom
Class 11 Biology | JAC Board Chapter 4
Updated: May 2026 | 12 Questions | 15 Minutes | +4 sahi | -1 galat
Chapter ki baat - Phylum wise summary
Porifera
Pores wale. Sponges. Example: Sycon, Spongilla
Pores wale. Sponges. Example: Sycon, Spongilla
Coelenterata
Stinging cells. Hydra, Jellyfish, Coral
Stinging cells. Hydra, Jellyfish, Coral
Platyhelminthes
Flat body. Tapeworm, Planaria, Liver fluke
Flat body. Tapeworm, Planaria, Liver fluke
Aschelminthes
Round body. Ascaris, Wuchereria
Round body. Ascaris, Wuchereria
Annelida
Segmented body. Earthworm, Leech
Segmented body. Earthworm, Leech
Arthropoda
Jointed legs. Insects, Spider, Crab
Jointed legs. Insects, Spider, Crab
Mollusca
Soft body, shell. Snail, Octopus, Pila
Soft body, shell. Snail, Octopus, Pila
Echinodermata
Spiny skin. Starfish, Sea urchin
Spiny skin. Starfish, Sea urchin
Chordata
Notochord. Fish, Frog, Human
Notochord. Fish, Frog, Human
Note: Non-chordates mein notochord nahi hota. Chordates mein notochord hota hai. Arthropoda sabse bada phylum hai.
Comparison table
| Phylum | Key Feature | Example | Body Cavity |
|---|---|---|---|
| Porifera | Pores, spicules | Sycon | Absent |
| Coelenterata | Cnidoblasts | Hydra | Coelenteron |
| Platyhelminthes | Flat body | Tapeworm | Absent |
| Aschelminthes | Round body | Ascaris | Pseudocoelom |
| Annelida | Segmented | Earthworm | True coelom |
| Arthropoda | Jointed legs | Cockroach | True coelom |
| Mollusca | Soft body | Snail | True coelom |
| Echinodermata | Spiny skin | Starfish | True coelom |
| Chordata | Notochord | Fish | True coelom |

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