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प्रश्न
The symmetry exhibited in cnidarians is ______.
विकल्प
Radial
Bilateral
Pentamerous radial
Asymmetrical
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उत्तर
The symmetry exhibited in cnidarians is Radial.
संबंधित प्रश्न
How useful is the study of the nature of body cavity and coelom in the classification of animals?
What is the difference between direct and indirect development?
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?
Draw a neat and labelled diagram.
Jellyfish
The following characteristics are essential for classification.
In Pheretima locomotion occurs with the help of ______.
Which of the following have the highest number of species in nature?
Lateral line sense organs occur in ______.
Compare Schizocoelom with enterocoelom.
Identify the structure that the archenteron becomes in a developing animal.
______ was a greek philosopher who classified animals.
In some animal groups, the body is found divided into compartments with serial repitition of at least some organs. This characteristic feature is called ______.
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.
Which group of chordates possess sucking and circular mouth without jaws?
Differentiate between open circulatory system and closed circulatory system
Sort out the animals on the basis of their symmetry (radial or bilateral) coelenterates, ctenophores, annelids, arthropods, and echinoderms.
Animal with bilateral symmetry in ______.
