Biology MCQs Online Quiz Test 34

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Past Papers Biology MCQs Question Answers

Q.1: Lungs are spongy due to the presence of million of——?

  1. Air sacs
  2. Alveoli
  3. Bronchioles
  4. Parabronchi


Q.2: —— respiration is directly involved in the production of energy, necessary for all living activities?

  1. Organismic
  2. Cellular
  3. Both of these
  4. None of these


Q.3: Lungs are covered with double layered thin membranous sac called——?

  1. Disphragm
  2. Pleura
  3. Pericardium
  4. Rib cage


Q.4: —— respiration is the process by which cell utilized oxygen and produces CO2 ?

  1. Cellular
  2. Organismic
  3. Both of these
  4. None of these


Q.5: During rest the breathing occurs rhythmically at the frequency of —– times per minute in human?

  1. 16-30
  2. 15-20
  3. 5-10
  4. 6-12


Q.6: Of the following, which one is better respiratory medium——?

  1. Air
  2. Water
  3. Soil
  4. None of these


Q.7: The arrangement of —– speaks of the division of labour within cell?

  1. Molecule
  2. Subatomic particles
  3. Atoms
  4. Organelles


Q.8: NADH is oxidized by——?

  1. Coenzyme
  2. Cytochrome b
  3. Oxygen
  4. Glycolysis


Q.9: Salivary glands present in front of ear are——?

  1. Sublingual
  2. Submaxillary
  3. Submandibular
  4. Parotid


Q.10: How many spiracles are present in cockroach——-?

  1. 5
  2. 10
  3. 20
  4. 40