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प्रश्न
The following abbreviations are used in the context of excretory functions, what do they stand for?
DCT
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उत्तर
DCT – Distal Convoluted Tubule
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संबंधित प्रश्न
Glucose is actively reabsorbed in the proximal convoluted tubule.
Ascending limb of Henle’s loop is ______ to water, whereas the descending limb is ______to it.
Tick the most appropriate answer.
Plants maintain the concentration of sap inside their body with
Match the terms in Column I with those in Column II and write down the matching pairs
| Column I | Column II | |
| a | Bowman's Capsule | Renal artery |
| b | Contains more CO2 and less urea | Regulates amount of water excreted |
| c | Anti-diuretic hormone | Renal Vein |
| d | Contains more urea | Glomerulus |
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Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
The capillaries of the glomerulus reunite to form _______ which leaves the Bowman's capsule.
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Select the INCORRECT match.
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The filtration units of kidneys are called
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 |
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.
Sodium chloride contained in glomerular filtrate is fully reabsorbed in the renal tubule.
