Which of the following statements is incorrec | vedclass

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(C) The correct answer is $C$. $1$. Rats are mammals,and they possess a diaphragm that separates the thoracic cavity from the abdominal cavity. This i

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In Catla,the operculum is absent.

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(C) The correct answer is $C$. $1$. Rats are mammals,and they possess a diaphragm that separates the thoracic cavity from the abdominal cavity. This is a correct statement. $2$. Chameleons are reptiles,and their body is covered by dry and cornified skin with epidermal scales or scutes. This is a correct statement. $3$. Catla is a bony fish $(Osteichthyes)$. Bony fishes possess four pairs of gills which are covered by an operculum on each side. Therefore,the statement that the operculum is absent in Catla is incorrect. $4$. Crows are birds $(Aves)$. Birds have lungs that are supplemented by air sacs to facilitate respiration and reduce body weight for flight. This is a correct statement.

Column $X$	Column $Y$
$(1)$ Green gland	$(P)$ Mollusca
$(2)$ Digestive tract with digestive glands	$(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal	$(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract	$(S)$ Echinodermata

List-$I$	List-$II$
$(a)$ Physalia	$(i)$ Pearl oyster
$(b)$ Limulus	$(ii)$ Portuguese Man of War
$(c)$ Ancylostoma	$(iii)$ Living fossil
$(d)$ Pinctada	$(iv)$ Hookworm

Which of the following statements is incorrect?

Similar Questions

Which of the following organisms exhibits body segmentation?

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Green gland $(P)$ Mollusca
$(2)$ Digestive tract with digestive glands $(Q)$ Arthropoda
$(3)$ Straight or coiled alimentary canal $(R)$ Hemichordata
$(4)$ Straight or $U$-shaped digestive tract $(S)$ Echinodermata

Which of the following characteristics is $NOT$ shared by birds and mammals?

The infective stage of $Trypanosoma$ $gambiense$ is:

Match the following:

List-$I$ List-$II$

$(a)$ Physalia $(i)$ Pearl oyster

$(b)$ Limulus $(ii)$ Portuguese Man of War

$(c)$ Ancylostoma $(iii)$ Living fossil

$(d)$ Pinctada $(iv)$ Hookworm

Choose the correct answer from the options given below.

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