Hydra is negatively chemotropic because it
prefers weak light
moves away from strong light
avoids chlorinated water
moves to water of low temperature
- If a Hydra is cut into two pieces, it is noted that
- "Portuguese Man of War" is the common name for
- What structures in Hydra functionally correspond to the pseudopodia of Aamoeba ?
- The nematocysts develop from
- The mouth opens into a large single cavity in Hydra
- Polymorphic coelentrates are the members of the class
- Nematocysts of Hydra are important for
- The flagella of food-absorbing cells in hydra aid in
- The testes of hydra are located
- Tentaculocysts in Obelia are meant for
- Hydra responds to a strong mechanical stimulus such as agitating the surface of water by
- The body of Hydra is
- Most favourite food of Hydra is
- The larva of Hydra is known as
- Hydra is put under phylum coelentrata because it has
- Ephyra is the larval form of
- Among coelenterates medusoid individuals are absent in members of the class
- Polymorphism is best defined as the occurrence of
- Tentacles of Hydra help in
- If a Hydra is cut into two pieces, it is noted that
- In Hydra, the physiological division of labour is exhibited by
- Green Hydra is
- The first invertebrates to develop a true nervous system are
- Nematocytes are the specialised cells found in the members of the phylum
- Musculo-glandular cells are found in hydra
- The number of tentacles in Hydra is
- Pueumatophore is present in
- Communication between the enteron and exterior in coelentrates is through
- What is common between Hydra and Obelia ?
- Coelenteron of Hydra serves the double purpose of