Define the following terms:
$(i)$ Endomysium
$(ii)$ Prostomium
$(i)$ Endomysium
$(ii)$ Prostomium
(N/A) $(i)$ Endomysium is the delicate connective tissue layer that surrounds individual muscle fibers.
$(ii)$ Prostomium is a small,fleshy,lobe-like structure present at the anterior end of an earthworm,which acts as a covering for the mouth and is used as a wedge to force open cracks in the soil.
$(ii)$ Prostomium is a small,fleshy,lobe-like structure present at the anterior end of an earthworm,which acts as a covering for the mouth and is used as a wedge to force open cracks in the soil.
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Choose the correct pair regarding the anatomy of an earthworm:
Column-$I$ Column-$II$ $1$. Spermathecae $a$. $6^{th}$ to $9^{th}$ segments $2$. Typhlosole $b$. $1^{st}$ to $3^{rd}$ segments $3$. Buccal cavity $c$. $26^{th}$ to $35^{th}$ segments in intestine $4$. Pharyngeal nephridia $d$. $4^{th}$ to $6^{th}$ segment
| Column-$I$ | Column-$II$ |
| $1$. Spermathecae | $a$. $6^{th}$ to $9^{th}$ segments |
| $2$. Typhlosole | $b$. $1^{st}$ to $3^{rd}$ segments |
| $3$. Buccal cavity | $c$. $26^{th}$ to $35^{th}$ segments in intestine |
| $4$. Pharyngeal nephridia | $d$. $4^{th}$ to $6^{th}$ segment |
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View SolutionIf an earthworm is kept in $40\%$ $KOH$ for a long time,which part remains insoluble?
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$(i)$ Excretory organ in cockroach : Malpighian tubules :: In earthworm : ...........
(ii) Scientific name of cockroach : Periplaneta americana :: Scientific name of earthworm : ...........
$(i)$ Excretory organ in cockroach : Malpighian tubules :: In earthworm : ...........
(ii) Scientific name of cockroach : Periplaneta americana :: Scientific name of earthworm : ...........
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