55 public questions tagged with this topic.
Aldosterone increases sodium reabsorption in the kidney while promoting potassium excretion. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Chemical Coordination and Integration, Topic: Aldosterone, mineralocorticoid, sodium reabsorption in kidney.
The juxtaglomerular apparatus regulates blood pressure by secreting renin, which activates the renin-angiotensin system. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
The juxtaglomerular apparatus releases renin to regulate blood pressure and glomerular filtration rate. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.
The kidney is responsible for filtering waste, maintaining osmotic balance, and regulating blood pressure. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
The liver, not the kidney, produces bile for digestion. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.
Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.
The collecting duct plays a key role in concentrating urine by reabsorbing water. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
The vasa recta helps maintain the counter-current exchange system for water and ion balance. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
Aldosterone is secreted by the adrenal glands, not the pituitary gland.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The renal corpuscle is composed of the glomerulus and Bowman’s capsule and is responsible for ultrafiltration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The counter-current mechanism involving the Loop of Henle and vasa recta helps in concentrating urine by maintaining an osmolarity gradient.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The vasa recta maintains the osmotic gradient necessary for water reabsorption and urine concentration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The vasa recta maintains the counter-current exchange system, helping in urine concentration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
