Human Excretory System
Human Excretory System: Overview
This topic covers concepts, such as, Vasa recta, Afferent Arteriole, Distal Convoluted Tubule & Collecting Ducts etc.
Important Questions on Human Excretory System

Which one of the following correctly explains the function of a specific part of a human nephron?

Formation of concentrated (hyperosmotic) urine in vertebrates generally depends on

Which of the following is NOT lined by squamous epithelium?




The given diagram represents a single nephron from a mammalian kidney. Identify which of the numbered regions is
I. The site of ultrafiltration
II. Particularly sensitive to ADH
III. The main site for the reaborption of glucose and amino acid
IV. Largely responsible for the adjustment of blood pH

Match the excretory functions of section I with the parts of the excretory system in section II. Choose the correct combinations from among the answers given
Section I | Section II | ||
(i) | Ultrafiltration | (a) | Henle's loop |
(ii) | Concentration of urine | (b) | Ureter |
(iii) | Transport of urine | (c) | Urinary bladder |
(iv) | Storage of urine | (d) | Malpighian corpuscles |
(e) | Proximal convoluted tubules |

The part of a nephron which opens into the collecting duct is /are

Which of the following statements is correct

Which segment of renal tubule is permeable to water but nearly impermeable to salts

In the diagram of excretory system of human beings given below, different parts have been indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts which they represent

Which of the following is not a function of kidneys

Which type of kidneys are found in amphibian (frog)

Which is common to kidney and skeleton in mammals

Out of the following, identify the function that is generally not performed by the kidney.

Where are the proximal and distal convoluted tubules located within the human body?

Blood vessel draining the glomerulus in a mammalian nephron is called:

Proximal convoluted tubule is lined with
