1.

    A patient presents with significantly reduced Glomerular Filtration Rate (GFR) but normal plasma protein levels. Which of the following is the LEAST likely cause of this condition?

    A

    Constriction of the afferent arteriole

    B

    Acute kidney injury affecting glomerular capillaries

    C

    Urinary tract obstruction

    D

    Severe liver disease

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Analyzing
    🎯Difficulty :Hard
    ⚡ Time Required :1.5 mins
    🔄Ncert Concepts :GFR, kidney physiology, filtration, liver function

    Related Questions

    1.

    Filtration of the blood take place at

    A

    PCT

    B

    DCT

    C

    collecting ducts

    D

    malpighian body

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :kidney anatomy, blood filtration, nephron structure

    2.

    Glomerular filtrate rate per day is

    A

    150 L

    B

    190 L

    C

    170 L

    D

    180 L

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Glomerular Filtration Rate, Renal Physiology

    3.

    A patient exhibits excessive thirst and urination, producing large volumes of dilute urine. Blood tests reveal normal glucose levels. Which of the following is the MOST likely hormonal imbalance causing this condition?

    A

    Increased Aldosterone

    B

    Decreased Antidiuretic Hormone (ADH)

    C

    Increased Atrial Natriuretic Peptide (ANP)

    D

    Decreased Renin

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Application
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :ADH, water balance, diabetes insipidus, kidney physiology

    4.

    GFR (Glomerular Filtration Rate) is the amount of filtrate formed by the kidney per

    A

    Hour

    B

    Second

    C

    Minute

    D

    10 seconds

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Glomerular Filtration Rate, Kidney Function, Physiology

    5.

    Smell of urine is due to the

    A

    Ammonia

    B

    Uric acid

    C

    Creatinine

    D

    Urobilin

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :human anatomy, human physiology, excretory system, urine composition

    6.

    In which part of the nephron does the majority of water reabsorption occur, and under what primary hormonal influence?

    A

    Distal convoluted tubule; influenced by ADH

    B

    Collecting duct; influenced by ADH

    C

    Loop of Henle; influenced by aldosterone

    D

    Proximal convoluted tubule; influenced indirectly by aldosterone

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :water reabsorption, nephron, aldosterone, ADH, kidney physiology

    7.

    Average pH of human urine is

    A

    6

    B

    9

    C

    3

    D

    7

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :pH, human physiology

    8.

    If Henle’s loop were absent from mammalian nephron, which of the following is to be expected?

    A

    The urine will be more concentrated

    B

    The urine will be more dilute

    C

    There will be no urine formation

    D

    There will be hardly any change in the quality and quantity of urine formed

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :2 mins
    🔄Ncert Concepts :Nephron function, Loop of Henle, Urine concentration, Osmosis

    9.

    The countercurrent multiplier system in the Loop of Henle is crucial for establishing the medullary osmotic gradient. Which of the following is NOT a key component or characteristic of this system?

    A

    Active transport of Na+Na^+ out of the thick ascending limb

    B

    Impermeability of the ascending limb to water

    C

    Countercurrent flow of tubular fluid

    D

    Active transport of water from the ascending limb to the interstitium

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Understanding
    🎯Difficulty :Hard
    ⚡ Time Required :1.25 mins
    🔄Ncert Concepts :countercurrent multiplier, loop of Henle, medullary osmotic gradient, kidney physiology

    10.

    Smell of urine is due to the

    A

    Ammonia

    B

    Urea

    C

    Uric acid

    D

    Creatinine

    Question Tags
    📚 Subject:Zoology
    📑 Chapter:Excretory Products And Their Elimination
    🎯Topic:Urine Formation
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :human physiology, excretory system, urine composition

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