Advertisements
Advertisements
प्रश्न
A healthy adult human excretes (on an average) _______ gm of urea/day.
Advertisements
उत्तर
A healthy adult human excretes (on an average) 25–30 gm of urea/day.
APPEARS IN
संबंधित प्रश्न
Define the following:
Excretion
Draw and label the diagram.
Nephron
Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:
Name the two main organic constituents of the fluid that flows down the part labeled '3'.
Write the functional activity of the following structure:
Urethra
How is urea produced?
State the Location: Urinary bladder
State the Location:
Kidneys
Write the functional activity of the following structure: Iliac vein
Circle the odd one.
Differentiate the following.
Excretion and Secretion
Identify the biological term
Removal of unwanted substances from the body.
The capillaries of the glomerulus reunite to form _______ which leaves the Bowman's capsule.
The function of PCT of the kidney is ______.
Which of the following statements is not correct?
Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
| Column I | Column II |
| A. Proximal convoluted tubule | i. Formation of concentrated urine |
| B. Distal convoluted tubule | ii. Filtration of blood |
| C. Henle's loop | iii. Reabsorption of 70 - 80% of electrolytes |
| D. Counter-current mechanism | iv. Ionic balance |
| E. Renal corpuscle | v. Maintenance of concentration gradient in medulla |
Match Column I with Column II.
| Column I | Column II |
| A. PCT | (i) Concentrated urine formation |
| B. DCT | (ii) Filtration of blood |
| C. Loop of Henle | (iii) Reabsorption of 70-80% of the electrolyte |
| D. Counter current mechanism | (iv) Ionic balance |
| E. Renal corpuscle | (v) Maintenance of concentration gradient in medulla |
Select the correct option from the codes given below.
Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to the accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An artificial kidney is a device to remove waste products from the blood through dialysis.
i. a. Name the artery that brings oxygenated blood to the kidney.
b. Name the cluster of the thin-walled blood capillaries present in the Bowman's capsule.
ii. In the human excretory system, name the organ which stores urine. Is this organ under hormonal control or nervous control?
iii. List two major steps involved in the formation of urine and state in brief their functions.
OR
iii. In which part of the nephron does selective reabsorption take place? List the factors which the amount of water reabsorbed depends on.
Arrange and rewrite the terms in group in correct order to be in a logical sequence, beginning with the term that is underlined:
Loop of Henle, Distal convoluted tubule, Bowman's Capsule, Proximal convoluted tubule.
