(C) The body of most fishes is covered by scales. These scales serve as an exoskeleton,providing protection to the fish. In bony fishes (Osteichthyes)

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(C) The body of most fishes is covered by scales. These scales serve as an exoskeleton,providing protection to the fish. In bony fishes (Osteichthyes),these are typically cycloid or ctenoid scales,while in cartilaginous fishes (Chondrichthyes),they are placoid scales. Therefore,the correct answer is $C$.

Class 11 Biology Animal Kingdom Mix Examples - Animal Kingdom

Easy

What is the exoskeleton of fish made of?

A
Bones
B
Cartilage
C
Scales
D
Hair

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Mix Examples - Animal Kingdom

Match the following columns:
Column-$I$ Column-$II$
$(a)$ Barbus $(i)$ Epidermal scales
$(b)$ Crocodile $(ii)$ Absence of head
$(c)$ Amphioxus $(iii)$ Cycloid scales
$(d)$ Lamprey $(iv)$ Scaleless skin

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Which of the following phyla possess an open circulatory system?

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$A$: In $Aves$ and $Mammals$, the heart is four-chambered.
$R$: In $Mammals$, the aortic arch curves to the left.

Easy

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Trichonympha is a symbiont in the alimentary canal of

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Which of the following statements is false?

Medium

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Column-$I$	Column-$II$
$(a)$ Barbus	$(i)$ Epidermal scales
$(b)$ Crocodile	$(ii)$ Absence of head
$(c)$ Amphioxus	$(iii)$ Cycloid scales
$(d)$ Lamprey	$(iv)$ Scaleless skin

What is the exoskeleton of fish made of?

Similar Questions

Match the following columns:Column-$I$Column-$II$$(a)$ Barbus$(i)$ Epidermal scales$(b)$ Crocodile$(ii)$ Absence of head$(c)$ Amphioxus$(iii)$ Cycloid scales$(d)$ Lamprey$(iv)$ Scaleless skin

Which of the following phyla possess an open circulatory system?

$A$: In $Aves$ and $Mammals$, the heart is four-chambered.$R$: In $Mammals$, the aortic arch curves to the left.

Trichonympha is a symbiont in the alimentary canal of

Which of the following statements is false?

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Match the following columns:
Column-$I$ Column-$II$
$(a)$ Barbus $(i)$ Epidermal scales
$(b)$ Crocodile $(ii)$ Absence of head
$(c)$ Amphioxus $(iii)$ Cycloid scales
$(d)$ Lamprey $(iv)$ Scaleless skin

$A$: In $Aves$ and $Mammals$, the heart is four-chambered.
$R$: In $Mammals$, the aortic arch curves to the left.