Phylum Classification & Key Features — NEET Biology
📚 Practice ConceptPlatyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda
Match the following phyla with their characteristic excretory structures: Column I (Phylum) A. Platyhelminthes B. Aschelminthes C. Annelida D. Arthropoda E. Hemichordata Column II (Excretory Structure) i. Proboscis gland ii. Nephridia iii. Malpighian tubules iv. Flame cells v. Excretory canal with pore
View solution & NCERT explanation
Correct answer: A — A-iv, B-v, C-ii, D-iii, E-i
Let's match each phylum with its characteristic excretory structure as described in the NCERT text: Platyhelminthes: "Specialised cells called flame cells help in osmoregulation and excretion." So, A-iv. Aschelminthes: "An excretory tube removes body wastes from the body cavity through the excretory pore." So, B-v. Annelida: "Nephridia (sing. nephridium) help in osmoregulation and excretion." So, C-ii. Arthropoda: "Excretion takes place through malpighian tubules." So, D-iii. Hemichordata: "Excretory organ is proboscis gland." So, E-i. Thus, the correct match is A-iv, B-v, C-ii, D-iii, E-i.
What does NCERT say about Platyhelminthes b Aschelminthes c?
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