KCET · BIOLOGY · STD 11 - 4. Animal Kingdom
Which one of the following groups of three animals each is correctly matched with their one characteristic morphological features?
- A
Animals Morphological features (a) Centipede, Prawn, Sea urchin - Jointed appendages - B
Animals Morphological features (b) Cockroach, Locust, Taenia - Metameric segmentation - C
Animals Morphological features (c) Scorpion, Spider, Cockroach - Ventral solid nerve cord - D
Animals Morphological features (d) Liver fluke, Sea anemone. - Bilateral symmetry Sea cucumber
Answer & Solution
Correct Answer
(C) Animals Morphological features (c) Scorpion, Spider, Cockroach - Ventral solid nerve cord
Step-by-step Solution
Detailed explanation
(C)
,
Scorpions, spiders and cockroaches, all belongs to phylum arthropoda, are characterized by a solid, double ventral nerve cord with ganglia and a nerve ring. Sea urchin is not characterized by jointed appendages. Taenia (a tapeworm) does not exhibit metameric segmentation. Liver fluke exhibits bilateral symmetry, Sea anemone exhibits radial symmetry, Sea anemone exhibits radial symmetry, larva sea cucumber exhibits bilateral symmetry.
| Animals | Morphological features |
| (c) Scorpion, Spider, Cockroach - | Ventral solid nerve cord |
Scorpions, spiders and cockroaches, all belongs to phylum arthropoda, are characterized by a solid, double ventral nerve cord with ganglia and a nerve ring. Sea urchin is not characterized by jointed appendages. Taenia (a tapeworm) does not exhibit metameric segmentation. Liver fluke exhibits bilateral symmetry, Sea anemone exhibits radial symmetry, Sea anemone exhibits radial symmetry, larva sea cucumber exhibits bilateral symmetry.
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