Which of the following statements is correct about excretion in earthworm? (i) Earthworm…
Biology · Class 11 · CBSE — Animal Kingdom
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 intestine.
(iii) Integumentary nephridia, attached to lining of 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.
(i) Earthworm is mainly ureotelic.
(ii) Septal nephridia, present on both sides of intersegmental septa of segment 15 to the last, open into intestine.
(iii) Integumentary nephridia, attached to lining of 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.
- (i) and (iv)
- (iv) and (v)
- (i), (ii), (iii)
- All of these
Answer
(B) (iv) and (v)
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