Body Symmetry

Q.

Does Hydra have bilateral symmetry?

Q.

Which one is correctly matched?

1. Jellyfish and Starfish - Radial symmetry

2. Tapeworm and Octopus - Radial symmetry

3. Hydra and Shark - Bilateral symmetry

4. Amoeba and Sea urchin - Asymmetrical

Q. Symmetry found in sponges is

1. bilateral
2. asymmetry
3. biradial
4. radial

Q. Bilaterally symmetrical animals can be divided into mirror images by

1. only a cut through the midline of its body from its anterior end to its posterior end
2. only a cut through the midline of its body from its dorsal to its ventral surface
3. any cut from its anterior end to its posterior end
4. any cut from its dorsal to its ventral surface

Q.

The property by which an imaginary line or lines can divide an animal into two or more equal halves is called

1. Segmentation

2. Organisation

3. Symmetry

4. Metamerism

Q. The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the phylum :

1. Mollusca
2. Cnidaria
3. Echinodermata
4. Annelida