NTA Abhyas NEET2020BotanyAnimal KingdomPractice
The figure shows four animals A , B , C, and D . Select the incorrect answer with respect to a common characteristic of these animals. A B C D
Options
- ATapeworm- False segmentation, triploblastic
- BAurelia-Polyp form, stinging capsules are present on body.
- COctopus- Body is unsegmented
- DPrawn-They have jointed appendages
Correct answer
B. Aurelia-Polyp form, stinging capsules are present on body.
Step-by-step solution
Tapeworms belong to Platyhelminthes, which are triploblastic and show false segmentation. Octopus belongs to Molluscs which have an unsegmented body. Prawns belong to Arthropods and thus have jointed appendages. Aurelia have umbrella shaped body and belong to phylum Colenterates. Umbrella shaped body is the medusa form. Being a Coelenterate, it shows the presence of cnidocytes, which are stinging cells present on the body and are used for anchorage, defense, capturing the prey.