Excretion
Excretion: Overview
This topic covers concepts, such as, Excretion, Human Excretory System, Hemodialysis & Excretion in Plants etc.
Important Questions on Excretion
The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person’s life, the blood from an artery in the person’s arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person’s blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for the process of circulation.
Identify 'E'.

The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person’s life, the blood from an artery in the person’s arm is made to flow into long tubes made of substance E which are kept in coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person’s blood passes through long tubes of substance E, most of the wastes present in it go into solution. The clean blood is then put back into a vein in the arm of the person for the process of circulation.
Name the process described above.

The organs A of a person have been damaged completely due to which too much of a poisonous waste material B has started accumulating in his blood, making it dirty. In order to save this person’s life, the blood from an artery in the person’s arm is made to flow into long tubes made of substance E which are kept in a coiled form in a tank containing solution F. This solution contains three materials G, H and I in similar proportions to those in normal blood. As the person’s blood passes through long tubes of substance E, most of the wastes present in it go into the solution. The clean blood is then put back into a vein in the arm of the person for the process of circulation.
Identify the organs A.

How nitrogenous wastes are excreted through the body of insects and lizards?

Human being stores nitrogenous wastes as uric acid before excretion.


Select the correct combination on the basis of uric acid as the excretory material of organisms.

Name the following:
Another term for blood dialysis.



Identify the nitrogenous waste products from the given options:

Dialysis fluid contains all the constituents as in plasma except _____ waste.


The process by which chemical waste is removed from the body is called _____.

What are the waste products which would cause harm to the body if they are not removed?

The process of removal of waste and toxic material from blood using a machine is called dialysis.

Which of the following animal contain kidney like human being?

Which among the following are examples of secondary metabolites?

Kidneys in human beings are the parts of a system that helps in

_____ is the cup-shaped structure in nephron. (Glomerulus/Bowman capsule)
