Home
Class 12
BIOLOGY
Excretion is...

Excretion is

A

removal essential substances not required by body

B

removal of useless substances present in excess

C

formation of substances having some role in body

D

all

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Excretion in Amoeba occurs through

Excretion in the form of uric and urates in birds is helpful in

Excretion of bile pigments in the urine indicates

Excretion of nitrogenous waster in semisolid form is found in

Read the following statements and identify the correct option given. (i) Contractile vacuole takes part in osmoregulation and excretion (ii) Food vacuole are formed by engulfing the food particles. (iii) The vacuole is bound by a double membrane called tonoplast (iv) Vacuole can occupy upto 90 percent of the volume of the cell.

Which of the following statements are incorrect? (i) Parapodia are lateral appendages in arthropods used for swimming. (ii) Radula in molluscs are structures involved in excretion. (iii) Aschelminthes are dioecious. (iv) Echinoderm adults show radial symmetry. (v) Ctenophorans are diploblastic

Define the term excretion. Why should animals excrete waste matter?

At menopause there is rise in urinary excretion of