Question
Question: Match the animal’s list with names under column I with the animals listed with the regular zoologica...
Match the animal’s list with names under column I with the animals listed with the regular zoological name given under column II. Choose the answer which gives the correct combination of the alphabets of the two columns.
| Animals with common names | animals with the zoological name |
|---|---|
| A) Starfish | p) Sepiida |
| B) jellyfish | q) Asteroidea |
| C)Devilfish | r) Aurelia |
| D)Cuttlefish | s) Mobula |
a) A-r, B-s, C-p, D-q
b) A-r, B-p, C-s, D-q
c) A-q, B-r, C-s, D-p
d) A-q, B-p, C-s, D-r
Solution
Hint Starfish belongs to the echinoderms and is not a true fish. It does not have the presence of gills. Jellyfish belong to phylum cnidaria and are in the medusa phase. Jellyfish stings and cause discomfort. Devilfish belong to the phylum Chordata. They belong to the family of sharks. Cuttlefish belong to the molluscs.
Complete answer:
-Starfish has radial symmetry and is a good example of pentamerism. They have no natural predators present. They belong to the class of Asteroidea and are called Asteroidea (scientific name). They are marine invertebrates. They have five arms leading to pentamerism. They have the presence of a central disc. The upper surface may be smooth, granular, or spiny and they are covered by overlapping plates.
-Jellyfish is a medusa form of certain members of phylum Cnidaria. They are free-living umbrella-shaped animals. They are present in the marine water. They have tentacles present on their body which have stinging cells present on them they help in the protection of the organism. Jellyfish are also called Aurelia.
-Devilfish is named Mobula. It is enormous in size. It is currently an endangered species. It is considered to be the largest rays present. It has a lifespan of 20years. It has a low reproductive capacity. They are ovoviviparous in nature. The young’s one’s hatch from the eggs present inside the mother’s body and emerge out when grown.
-Cuttlefish are also called Sepiida. They belong to the class of Cephalopoda. It has an internal shell, the cuttlebone which is used to maintain the buoyancy.
So, the answer is ‘A-q, B-r, C-s, D-p’.
Note: Starfish are placed in the aquarium for enhancing the beauty of the aquarium. Devilfish is an endangered fish. It may get extinct in the coming years if not saved. Cuttlefish can change their body color. They are believed to be color-blind.