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Excretory Products and their Elimination

Biology · Class 11 · CBSE

BiologyClass 11CBSEEasy
Q1/15
45s

The kidneys help regulate blood pH mainly by controlling the excretion of:

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All 15 questions in this quiz

  1. The process by which useful substances are taken back into the blood from the nephron is called:

    1. Filtration
    2. Reabsorption
    3. Secretion
    4. Excretion

  2. Which nitrogenous waste requires the least amount of water for excretion?

    1. Ammonia
    2. Urea
    3. Uric acid
    4. Creatinine

  3. Dialysis is mainly used in patients suffering from:

    1. Heart failure
    2. Kidney failure
    3. Liver cirrhosis
    4. Asthma

  4. Which excretory organ stores urine before it is expelled from the body?

    1. Kidney
    2. Ureter
    3. Urinary bladder
    4. Urethra

  5. Which of the following is NOT a function of the human kidney?

    1. Excretion of metabolic wastes
    2. Regulation of blood pressure
    3. Production of digestive enzymes
    4. Maintenance of electrolyte balance

  6. Which part of the nephron is impermeable to water but permeable to sodium chloride?

    1. Descending limb of Loop of Henle
    2. Ascending limb of Loop of Henle
    3. Proximal convoluted tubule
    4. Bowman's capsule

  7. The kidneys help regulate blood pH mainly by controlling the excretion of:

    1. Oxygen
    2. Hydrogen ions and bicarbonate
    3. Carbon dioxide only
    4. Cholesterol

  8. Which blood vessel carries filtered blood away from the glomerulus?

    1. Renal artery
    2. Renal vein
    3. Afferent arteriole
    4. Efferent arteriole

  9. Which hormone increases water reabsorption from the collecting duct?

    1. Insulin
    2. Thyroxine
    3. Antidiuretic hormone (ADH)
    4. Adrenaline

  10. The Loop of Henle plays an important role in:

    1. Protein digestion
    2. Concentration of urine
    3. Blood clotting
    4. Glucose synthesis

  11. Maximum reabsorption of water, glucose, and amino acids occurs in the:

    1. Distal convoluted tubule
    2. Collecting duct
    3. Proximal convoluted tubule
    4. Loop of Henle

  12. The cup-shaped structure surrounding the glomerulus is called:

    1. Loop of Henle
    2. Bowman's capsule
    3. Collecting duct
    4. Renal pelvis

  13. Which nitrogenous waste is primarily excreted by humans?

    1. Ammonia
    2. Uric acid
    3. Urea
    4. Creatinine

  14. The process of filtering blood in the glomerulus is called:

    1. Reabsorption
    2. Secretion
    3. Ultrafiltration
    4. Osmosis

  15. Which of the following is the functional unit of the human kidney?

    1. Neuron
    2. Nephron
    3. Alveolus
    4. Glomerulus