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Q14:

Match the following:

(a) Operculum      (i) Ctenophora

(b) Parapodia       (ii) Mollusca

(c) Scales            (iii) Porifera

(d) Comb plates   (iv) Reptilia

(e) Radula           (v) Annelida

(f) Hairs              (vi) Cyclostomata and Chondrichthyes

(g) Choanocytes  (vii) Mammalia

(h) Gill slits          (viii) Osteichthyes

Solution :

Step 1: Biological Identification of Taxonomic Characteristics

To solve the matching exercise, we analyze each anatomical feature based on the phylogenetic characteristics defined in the Animal Kingdom classification:

  • (a) Operculum: A bony flap covering the gills [Per Osteichthyes morphology].
  • (b) Parapodia: Lateral outgrowths used for locomotion in aquatic Annelids [Per Class Polychaeta characteristics].
  • (c) Scales: Epidermal structures characteristic of the Class Reptilia [Per integumentary system study].
  • (d) Comb plates: Ciliated plates used for locomotion in the phylum Ctenophora [Per diagnostic features of Ctenophores].
  • (e) Radula: A rasping, tongue-like organ used for feeding in Phylum Mollusca [Per Molluscan anatomy].
  • (f) Hairs: Unique integumentary derivatives exclusive to the class Mammalia [Per class Mammalia identification].
  • (g) Choanocytes: Collar cells lining the spongocoel and canals of Phylum Porifera [Per Poriferan cellular biology].
  • (h) Gill slits: Respiratory openings found in primitive chordates, specifically Cyclostomata and Chondrichthyes [Per chordate developmental biology].

Step 2: Tabular Representation of Matched Pairs

Feature Matched Phylum/Class
(a) Operculum(viii) Osteichthyes
(b) Parapodia(v) Annelida
(c) Scales(iv) Reptilia
(d) Comb plates(i) Ctenophora
(e) Radula(ii) Mollusca
(f) Hairs(vii) Mammalia
(g) Choanocytes(iii) Porifera
(h) Gill slits(vi) Cyclostomata and Chondrichthyes

Step 3: Visual Representation of Taxonomic Classification

Phylum/Class Mapping 1. Porifera: Choanocytes 2. Ctenophora: Comb plates 3. Annelida: Parapodia 4. Mollusca: Radula 5. Mammalia: Hairs 6. Osteichthyes: Operculum

Final Solution: The correct matches are (a)-(viii), (b)-(v), (c)-(iv), (d)-(i), (e)-(ii), (f)-(vii), (g)-(iii), and (h)-(vi).


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