Multiple Choice Questions

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What is another name for the windpipe?

  • Trachea

  • Larynx

  • Oesophagus

  • Lungs


A.

Trachea

At its bottom, the trachea (another name for the windpipe) branches into two tubes called bronchi, which lead into the lungs.

The larynx is the voice box. It is connected to the windpipe. The oesophagus, like the windpipe, is a tube that runs through the neck. The lungs are the ballon like structure in the chest.


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Ethylene is related with

  • Aerobic respiration

  • Climacteric phenomenon

  • Anaerobic respiration

  • Fermentation


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


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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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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Phase common in aerobic and anaerobic respiration is

  • Krebs’ cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


Which type of cells is absent in sponges?

  • Trophocytes

  • Myocytes

  • Archeocytes

  • Cnidocytes


Common phase in aerobic and anaerobic respiration is

  • Kreb’s cycle

  • Glycolysis

  • Glycogenolysis

  • ETS


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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


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