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  • Which of the following statements is correct about excretion in earthworm? i) Earthworm is mainly ureotelic ii) Septal nephridia, present on both sides of intersegmental septa of segm

Which of the following statements is correct about excretion in earthworm?
i) Earthworm is mainly ureotelic
ii) Septal nephridia, present on both sides of intersegmental septa of segment 15 to the last, open into the intestine.
iii) Intersegmental nephridia, attached to the lining of the body wall of segment 3 to the last, open on the body surface.
iv) Different types of nephridia are basically similar in structure.
v) Nephridia regulate the volume and composition of body fluids.
 

Option: 1

(i) and (iv)


 


Option: 2

(iv) and (v)


Option: 3

(i), (ii), (iii)


Option: 4

All of these


Answers (1)

best_answer

As we learned

 

Excretory system in earthworm -

Excretory system consists of coiled tubule called nephridia which is analogous to kidney. Nephridia are arranged in segments except 1st three. 

- wherein

Nephridia delivers waste products into the digestive tube or to the surface of body wall through pores. 

 

 

Posted by

HARSH KANKARIA

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