Life Process MCQ Questions and Answers Quiz

11. Digestion is extracellular in

  1. Animals
  2. Human
  3. Amoeba
  4. All the above

12. Each kidney has large numbers of filtration units called

  1. Nephrons
  2. glomerulus
  3. renal vein
  4. none of the above

13. Example(s) of some organisms which derive nutrition from plants or animals without killing them

  1. cuscuta
  2. ticks
  3. leeches
  4. all of the above

14. Examples of some organism(s) break-down the food material outside the body and then absorb it

  1. fungi
  2. yeast
  3. mushrooms
  4. all of the above

15. Following are autotrophs

  1. Green plants
  2. Some bacteria
  3. Enzymes
  4. Both A and B

16. Following has shorter small intestine

  1. Herbivores
  2. carnivores
  3. both A and B
  4. none of the above

17. Following has to be transported by the blood

  1. Oxygen
  2. carbon dioxide
  3. both A and B
  4. none of the above

18. Following is (are) true about heart

  1. Oxygen-rich blood from the lungs comes to the left atrium
  2. De-oxygenated blood comes from the body to the upper chamber on the right, the right atrium, as it relaxes.
  3. Valves ensure that blood does not flow backwards when the atria or ventricles contract
  4. All of the above

19. Following is true

  1. CO2 is removed from the blood in the lungs
  2. Nitrogenous waste such as urea or uric acid are removed from blood in the kidneys
  3. The purpose of making urine is to filter out waste products from the blood
  4. All of the above

20. Following is true about lungs

  1. Within the lungs, the passage divides into smaller and smaller tubes
  2. The lungs always contain a residual volume of air so that there is sufficient time for oxygen to be absorbed
  3. Both A and B
  4. None of the above
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