Advertisements
Advertisements
प्रश्न
The symmetry exhibited in cnidarians is ______.
विकल्प
Radial
Bilateral
Pentamerous radial
Asymmetrical
Advertisements
उत्तर
The symmetry exhibited in cnidarians is Radial.
संबंधित प्रश्न
Distinguish between intracellular and extracellular digestion.
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Complete the following chart.
| Body cavity | Germ Layer | Phylum |
| Absent | ______ | Porifera |
| Absent | Triploblastic | ______ |
| Pseudocoelom | ______ | Aschelminthes |
| Present | ______ | Arthropoda |
The following characteristics are essential for classification.
In Pheretima locomotion occurs with the help of ______.
Which of the following is a crustacean?
Compare Schizocoelom with enterocoelom.
Identify the structure that the archenteron becomes in a developing animal.
What are flame cells?
______ was a greek philosopher who classified animals.
______ is a fluid-filled body cavity.
In which of the following the notochord is present only in embryonic stages?
Match the following list of animals with their level of organisation.
| Division of Labour | Animal |
| Column I | Column II |
| A. Organ level | i. Pheretima |
| B. Cellular aggregate level | ii. Fasciola |
| C. Tissue level | ii. Spongilla |
| D. Organ system level | iv. Obelia |
Choose the correct match showing division of labour with animal example.
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
Provide appropriate technical term in the space provided.
Blood-filled cavity in arthropods ______.
Differentiate between open circulatory system and closed circulatory system
Animal with bilateral symmetry in ______.
