Which of the following represents the correct | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) None of the options provided is correct without exceptions.$1$. In $(a)$, $Cyclostomata$ do not have paired appendages.$2$. In $(b)$, the skin of

Vedclass · Accepted Answer

None of the above

Vedclass · Answer

(D) None of the options provided is correct without exceptions.$1$. In $(a)$, $Cyclostomata$ do not have paired appendages.$2$. In $(b)$, the skin of $Aves$ is dry and non-glandular (except for the oil gland at the base of the tail).$3$. In $(c)$, while $Mammalia$ are characterized by mammary glands and hair, not all mammals have pinnae (e.g., monotremes) or two pairs of limbs (e.g., whales and dolphins lack hindlimbs).$4$. In $(d)$, while $Chondrichthyes$ generally have gills without an operculum, there are exceptions like $Chimaera$ (ratfish), which possesses an operculum.

$Option$	$Characteristics$
$(a)$	$Cyclostomata$: 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.

Column $-I$	Column $-II$
$(A)$ Porifera	$(i)$ Tornaria larva
$(B)$ Hemichordata	$(ii)$ Free-swimming larva
$(C)$ Cnidaria	$(iii)$ Parenchymula larva
$(D)$ Echinodermata	$(iv)$ Planula larva

Similar Questions

Which of the following animals exhibits only extracellular digestion?

Which of the following statements is true for all four: $Spongilla$,$Leech$,$Dolphin$,and $Penguin$?

Column $-I$ represents the phylum and Column $-II$ represents the larval stage. Select the correct option:
Column $-I$ Column $-II$
$(A)$ Porifera $(i)$ Tornaria larva
$(B)$ Hemichordata $(ii)$ Free-swimming larva
$(C)$ Cnidaria $(iii)$ Parenchymula larva
$(D)$ Echinodermata $(iv)$ Planula larva

Which of the following is considered a living fossil?

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?

Vedclass Test Series

Exam Paper Generator

Online Exam Module