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Excretion - Human Excretory System (Class X)

Questions covering kidney function, urine formation, waste products, sweat, gaseous excretion, and the human excretory system.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which blood vessel gives rise to a bunch of capillaries called glomerulus?

  1. Renal vein
  2. Renal artery
  3. Pulmonary artery
  4. Pulmonary vein
Question 2 Multiple Choice (Single Answer)

Hemodialysis functions as an artificial

  1. kidney
  2. heart
  3. liver
  4. lung
Question 3 Multiple Choice (Single Answer)

Urine leaves the kidney through the

  1. urethra
  2. ureter
  3. collecting duct
  4. renal vein
Question 4 Multiple Choice (Single Answer)

Which of the following is excreted out during photosynthesis in plants?

  1. Carbon dioxide
  2. Oxygen
  3. Hydrogen
  4. Nitrogen
Question 5 Multiple Choice (Single Answer)

The mechanism by which glucose is reabsorbed in the renal tubule is ____________.

  1. diffusion
  2. endosmosis
  3. active transport
  4. secretion
  5. exosmosis
Question 6 Multiple Choice (Single Answer)

Reabsorption of chloride ions (Cl–) from the glomerular filtrate in the kidney tubule of mammals is carried out by

  1. osmosis
  2. diffusion
  3. active transport
  4. Brownian movement
Question 7 Multiple Choice (Single Answer)

In which organ of the body is insoluble calcium phosphate eliminated?

  1. Liver
  2. Kidneys
  3. Lungs
  4. Large intestine
Question 8 Multiple Choice (Single Answer)

The chief nitrogenous waste in urine of humans or terrestrial mammals is

  1. urea
  2. uric acid
  3. ammonia
  4. None of these
Question 9 Multiple Choice (Single Answer)

The two main functions of sweat are

  1. to filter blood and to remove waste products
  2. to keep the body cool and to remove excess proteins
  3. to remove waste products and to cool the body
  4. to keep the body warm and to filter blood
Question 10 Multiple Choice (Single Answer)

Which is the main gaseous waste product of the human body?

  1. NH3
  2. CO2
  3. H2S
  4. O2
Question 11 Multiple Choice (Single Answer)

Diuresis is a condition characterised by

  1. increase in urine volume
  2. increased glucose excretion
  3. decrease in urine volume
  4. decrease in electrolyte balance
Question 12 Multiple Choice (Single Answer)

Through which of the following organs is water not lost?

  1. Lung
  2. Kidney
  3. Skin
  4. Liver
Question 13 Multiple Choice (Single Answer)

Urea is formed by the combination of ammonia and _________ in _________.

  1. oxygen, liver
  2. carbon dioxide, liver
  3. carbon monoxide, kidney
  4. calcium carbonate, liver
Question 14 Multiple Choice (Single Answer)

What are the waste products of kidneys?

  1. Salts, water and carbon dioxide
  2. Urea and water
  3. Urea, water and salts
  4. Urea and salts
Question 15 Multiple Choice (Single Answer)

Which of the following statements is incorrect?

  1. Respiratory waste products are formed as a result of oxidation of glucose.
  2. The excretory processes play an important role in the homeostasis in the body.
  3. Salts are mainly excreted through sweat glands of our skin.
  4. Accumulation of urea in the body may cause death.
  5. A large amount of bile pigments is excreted through faeces.
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