Excretory Products and their Elimination — NEET/JEE Questions, Notes & Weightage
Class 11 Human Physiology NEET weightage: High 0 questions
Covers the human excretory system, nephron structure and function (filtration, reabsorption, secretion), urine formation, and osmoregulation. Nephron diagram labelling and the counter-current mechanism are the chapter's most frequently tested elements.
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Surgery
42
Kidney
42
Physiology
33
Medicine
32
Anatomy
26
Urology
21
Pathology
19
Urethra & Penis
11
Pediatrics
11
Urinary tract
10
Abdomen and pelvis
10
Biochemistry
10
Pharmacology
9
Unknown
9
Gynaecology & Obstetrics
9
All India exam
8
Endocrinology
8
Microbiology
8
Renal physiology
8
Kidney & Ureturs
8
miscellaneous
8
Kidneys and Body Fluids
7
General anatomy
7
Excretory System (Kidney, Bladder) Acid-Base Balance
7
Kidney and ureter
6
Abdomen & Pelvis
5
C.V.S
5
Anaesthesia
5
Ophthalmology
4
Radiology
4
GIT 1
4
Forensic Medicine
4
Development of GU system and Neuro-vascular supply of pelvis & perineum
4
Transplantation
3
Urethra and penis
3
Urinary Fistulas
3
General surgery
3
Autacoids
2
C.N.S
2
Miscellaneous (Bio-Chemistry)
2
Bacteriology
2
Miscellaneous (Kidney & Uterus)
2
Nephrotic and Nephritic syndrome
2
G.I.T
2
Chemotherapy
2
Miscellaneous (Gynae)
2
Glomerular Filtration, Renal Blood Flow, and Their Control
2
Congenital malformations
2
Bacteria
2
Vitamin
2
Diuretic
2
D.O.C
2
Urinary bladder
2
Virology
2
Urogynecology
2
Urolithiasis
2
Trauma
2
Female Genital System
2
Endocrinology metabolism
2
Genital Prolapse - various presentation of prolapse and management of urinary stress incontinence (I am hanging by my nails !)
1
Electrolyte Imbalance
1
Local and Regional Anesthesia
1
Muscle Relaxant
1
JIPMER 2018
1
Social & Preventive Medicine
1
Renal Tubular Disease
1
Circulation: Local and Humoral Control of Tissue Blood Flow
1
General Pharmacology
1
Miscellaneous (Bladder)
1
Substance abuse
1
membrane structure and function
1
JIPMER 2019
1
Small & Large Intestine
1
Renal carcinoma
1
Gynaecological Diagnosis
1
Intestinal obstruction
1
General pathology
1
Embryology
1
Kidney disorders
1
Orthopaedics
1
Other topics and Adverse effects
1
Nephropathy
1
FMGE 2019
1
Miscellaneous (Blood Vessels)
1
Nephrology
1
Immunology
1
KUB & Adrenal Gland
1
Diabetes Mellitus
1
Respiratory System
1
Blood: RBCs, Anemia, and Polycythemia
1
Primary Amenorrhea
1
FMGE 2018
1
Poisoning
1
Intestinal Infections, Worm Infestations
1
Neoplasms of the Kidney
1
Obstetrics
1
Amyloidosis
1
Endocrinology and Reproduction
1
Genetic and genetic disorders
1
Conjunctiva
1
congenital anomalies of kidney
1
Anatomy of the female genital tract
1
Opioids and Alcohols
1
Sex Hormones
1
Nervous system
1
Parathyroid
1
Urea cycle
1
Oncology
1
Dental
1
Streptococci
1
Genitourinary radiology
1
Metabolism of nucleic acids
1
DNB 2018
1
Endocrinology and breast
1
Thanatology
1
Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci)
1
Cardiovascular system
1
Renal and Urinary Tract Disorders
1
Fluid & Electrolyte
1
Pediatrics, environment and nutrition
1
Head and neck
1
Endocrine Glands
1
Anatomy (Kidney & Ureturs)
1
Genito Urinary System
1
Abdominal Injury
1
Kidney Stones & Renal Tubular Acidosis
1
NEET 2019
1
Miscellaneous (Urinary Tract)
1
Anesthesia
1
Miscellaneous (Testis & Scrotum)
1
Intravenous Anesthetic Agents
1
Testis and scrotum
1
Hyperparathyroidism
1
Fluid and electrolytes
1
Urinary System: Functional Anatomy and Urine Formation
1
Anti Cholinergic
1
Systemic Pathology
1
Joint disorders
1
Urogenital System
1
Disorders of Parathyroid Gland
1
Gastro Intestinal System
1
Gynaecological oncology
1
Mycology
1
Nephrolithiasis
1
Bone
1
Glomerular Diseases
1
Misc.
1
Parathyroid and adrenal glands
1
Radiotherapy
1
Lipids
1
Miscellaneous (Urethra & Penis)
1
Classification and metabolism of amino acids
1
Pharmacokinetics
1
Mycobacterial Infections
1
General physiology
1
Bleeding and Thrombotic Disorders
1
Thyroid and Parathyroid
1
Frequently asked questions
What nephron-related questions come up most?
Labelling nephron parts (glomerulus, PCT, loop of Henle, DCT, collecting duct) and matching each segment to what it reabsorbs or secretes is the dominant question format.
Is the counter-current mechanism important?
Yes — how the loop of Henle and vasa recta maintain the medullary concentration gradient (for concentrated urine) is a frequently tested conceptual question.
Are excretory disorders (dialysis, kidney stones) tested?
Occasionally, at a basic awareness level — but nephron structure/function questions are far more common than disorder-based ones.