EASY
Earn 100

Which of the following organ is the urine stored in, before it is passed out?

50% studentsanswered this correctly

Important Questions on Excretion

EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Removal of proximal convoluted tubule from the nephron will result in:
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

The given part belong to which system?

(a) Kidneys (b) Ureters (c) Urinary bladder

Draw a neat labelled diagram of the system.

MEDIUM
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Describe the structure of the human excretory system with a suitable diagram. Add a note on the process of urine formation.
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
The type of epithelium found in the inner lining of PCT is
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Consider the following three statements with blanks. Which of the options correctly fills all the blanks in these statements?

a) The ascending limb of loop of Henle's is impermeable to __(1)__ but allows transport of __(2)__

b) __(3)__ and __(4)__ play a significant role in producing a concentrated urine.

c) A fall in the glomerular blood flow/glomerular blood pressure / GFR gets active at the JG cells to release __(5)__

HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Sketch and label the structure of Malpighian body and explain the structure of Bowman’s capsule.
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Where are the proximal and distal convoluted tubules located within the human body?
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Name the following:

The duct which transports urine from the kidney to the urinary bladder.

MEDIUM
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Study the following table.

  Part of Nephron Location Function
A Malpighian body Cortex Filtering blood
B Proximal convoluted tubule Cortex Absorption of useful substances
C Distal convoluted tubule Medulla Absorption of urea
D Collecting duct Only Cortex Collection of urine

Identify the correct combinations among the above.

MEDIUM
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Study the following table

S.No Part of nephron Lined by Substances reabsorbed
I) Proximal convoluted tubule Simple squamous epithelium Glucose, amino acids, water
II) Descending limb of loop of Henle Squamous epithelium (thin layer) Water
III) Ascending limb of loop of Henle Squamous epithelium (lower thin and upper thick) Water, electrolytes
IV) Distal convoluted tubule Cuboidal epithelium Water, HCO3-

Among the above, Wrong combination are

EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Which of the following is NOT lined by squamous epithelium?
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Which of the following statements is correct?
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Out of total nephrons, what is the % of juxtamedullary nephrons?
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Suggest a practice to keep your kidneys healthy.
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Correct and rewrite the statements by changing the biological term that is underlined in the statement:

The kidney is composed of number of neurons.
HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System

Which diagram do you draw to label these parts?

(i) Bowman’s Capsule (ii) Uriniferous tubule (iii) Collecting Tubule

Draw the diagram and label the parts.

HARD
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Draw a labelled diagram of human excretory system.
MEDIUM
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
Assertion (A): In human beings, kidneys are retroperitoneal organs
Reason (R): They are protruded into the body cavity from inner surface of dorsal body wall and have mesodermal peritoneum on their ventral side only
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
The shared terminal duct of the reproductive and urinary system in the human male is:
EASY
Biology>Human Anatomy and Physiology I>Excretion>Human Excretory System
The part of nephron involved in conditional reabsorption of sodium is