Which one of the following is not correctly matched?

  • A
    Flame cells - Platyhelminthes
  • B
    Sting cells - Coelenterata
  • C
    Metameric segmentation - Mollusca
  • D
    Gill slits - Chordata

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Similar Questions

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

Comb jellies are ..................... and jelly fishes are .................. respectively.

Statement $A$: All animals from Phylum $Annelida$ onwards possess a circulatory system.
Reason $R$: Coelomate organization is observed from Phylum $Annelida$ onwards.
Which option is correct for Statement $A$ and Reason $R$?

Column $I$Column $II$
$(A)$ Limbless reptile$(i)$ Lamprey
$(B)$ Jawless vertebrate$(ii)$ Salamander
$(C)$ Amphibian$(iii)$ Snake
$(D)$ Cartilaginous fish$(iv)$ Shark
$(E)$ Flightless bird$(v)$ Ostrich
Match items in column $I$ with those given in column $II$.

Which of the following represents the correct combination without any exception?
$Option$$Characteristics$
$(a)$$Cyclostomata$: Sucking and circular mouth; jaws absent, integument without scales; paired appendages.
$(b)$$Aves$: Body covered with feathers; skin moist and glandular, fore-limbs form wings; lungs with air sacs.
$(c)$$Mammalia$: Mammary gland; hair on body; pinnae; two pairs of limbs.
$(d)$$Chondrichthyes$: Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord.

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