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NEET · Biology · STD 11 - 4. Animal kingdom

Match the following group of organisms with their respective distinctive characteristics and select the correct option:
Organisms Characteristics
(\(a\)) Platyhelminthes(\(i\)) Cylindrical body with no segmentation
(\(b\)) Echinoderms(\(ii\)) Warm blooded animals with direct development
(\(c\)) Hemichordates(\(iii\)) Bilateral symmetry with incomplete digestive system
(\(d\)) Aves(\(iv\)) Radial symmetry with indirect development

  1. A \((a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)\)
  2. B \((a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)\)
  3. C \((a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)\)
  4. D \((a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)\)
Verified Solution

Answer & Solution

Correct Answer

(B) \((a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)\)

Step-by-step Solution

Detailed explanation

Option (2) is the correct answer.
Birds and mammals are homeotherms (warm blooded). Metameric segmentation is present in annelids, Arthropods and chordates.
Adult echinoderms are radially symmetrical but larvae are bilaterally symmetrical.
In most of the platyhelminths, single opening of digestive system serves the function of both mouth and anus.