which of the following statement is corr...

which of the following statement is correct about excretion ?

Human excretes 25-30 gm urea per day

Glucose and amino acids are absorbed passively in renal tubules

Descending loop of Henle is impermeable to water

Kidneys reabsorbed 2/3rd part of glomerular filtrate.

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Which of the following statements is correct about excretion in earthworm ? (i) Earth 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 basicaly 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

It helps in emulsification of fat.

It helps in digestion of carbohydrates

It helps in absorption of digested food.

It helps in egestion of undigested food.

it is nutrient specific

it is water insoluble

it is readily absorbed by the plant

it is compact and easy to transfer