| Column A | Column B |
|---|---|
| i. Annelida | a. Tapeworm |
| ii. Arthropoda | b. Sea star |
| iii. Echinodermata | c. Ant |
| iv. Platyhelminthes | d. Earthworm |
Match the points under Column A with those under Column B.
- AOption (a)
i-d, ii-c, iii-b, iv-a
- BOption (b)
i-b, ii-a, iii-c, iv-d
- COption (c)
i-a, ii-c, iii-b, iv-d
- DOption (d)
i-a, ii-b, iii-c, iv-d
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Correct answer
i-d, ii-c, iii-b, iv-a
Why this answer is correct
The correct answer is Option 1.
Key Points
- Option 1 correctly matches the points under Column A with those under Column B.
- Annelida includes segmented worms such as Earthworms.
- Arthropoda includes insects, arachnids, and crustaceans like Ants.
- Echinodermata includes marine animals such as Sea stars.
- Platyhelminthes includes flatworms like Tapeworms.
Additional Information
- Annelida:
- Annelida, also known as segmented worms, are characterized by their segmented body structure.
- Examples include Earthworms, Leeches, and Polychaetes.
- They have a true coelom and a well-developed nervous system.
- Arthropoda:
- Arthropoda is the largest phylum in the animal kingdom, including insects, arachnids, myriapods, and crustaceans.
- They have an exoskeleton, segmented bodies, and jointed appendages.
- Examples include Ants, Spiders, Crabs, and Centipedes.
- Echinodermata:
- Echinodermata are marine animals characterized by their radial symmetry and a water vascular system.
- Examples include Sea stars, Sea urchins, and Sea cucumbers.
- They have a calcareous endoskeleton composed of ossicles.
- Platyhelminthes:
- Platyhelminthes, also known as flatworms, are characterized by their flattened body structure.
- They are acoelomates (lack a true body cavity) and have a simple digestive system with only one opening.
- Examples include Tapeworms, Flukes, and Planarians.