Multiple Choice Questions

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Phase common in aerobic and anaerobic respiration is

  • Krebs’ cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


B.

Glycolysis

Glycolysis is an essential and first path of respiration. It is common in both aerobic and anaerobic respiration and occurs in the cytosol of all living cells of prokaryotes as well as Eukaryotes.


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The respiratory quotient during cellular respiration would depend on the

  • Nature of the enzymes involved

  • Nature of the substrate

  • Amount of carbon dioxide released

  • Amount of oxygen utilized


What is another name for the windpipe?

  • Trachea

  • Larynx

  • Oesophagus

  • Lungs


Match the following columns

Column I Column II
A. Molecular oxygen 1. α-ketoglutaric acid
B. Electron acceptor 2. Hydrogen acceptor
C. Pyruvate dehydrogenase 3. Cytochrome - C
D. Decarboxylation 4. Acetyl Co-A

  • A B C D
    2 3 4 1
  • A B C D
    3 4 2 1
  • A B C D
    2 1 3 4
  • A B C D
    2 3 1 2

Which of the following is an occupational respiratory disorder?

  • Anthracis

  • Silicosis

  • Emphysema

  • Botulism


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Ethylene is related with

  • Aerobic respiration

  • Climacteric phenomenon

  • Anaerobic respiration

  • Fermentation


Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of :

  • Residual Volume

  • Inspiratory Reserve Volume

  • Tidal Volume

  • Tidal Volume

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Which type of cells is absent in sponges?

  • Trophocytes

  • Myocytes

  • Archeocytes

  • Cnidocytes


Penumotoxic centre which a moderate the function of the respiratory rhythm centre is present at

  • Pons region in brain

  • Thalamus

  • Spinal cord

  • Right cerebral hemisphere


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Common phase in aerobic and anaerobic respiration is

  • Kreb’s cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


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