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Pneumotaxic centre is located dorsally in the upper pons. Primarily it controls the switch off point of inspiration. Whenever it sends strong signal, which of the following will not occur?

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Important Questions on Breathing and Exchange of Gases

HARD
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which one of the following hormones though synthesized elsewhere, is stored and release by the master gland?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
The rigidity of cellulose is due to:
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Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
The posterior pituitary gland is not a 'true' endocrine gland because
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Describe the regulation of respiration in humans.
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Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which of these is not an important component of initiation of parturition in humans?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which one of the following hormones is not involved in sugar metabolism?
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Three uniformly watered plants i, ii and iii were kept in 45% relative humidity, 45% relative humidity with blowing wind and 95% relative humidity, respectively. Arrange these plants in the order (faster to slowest) in which they will dry up.
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
How is respiratory movements regulated in man?
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Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
 State the significance of respiration.
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which of the following hormones that controls blood pressure is secreted by human heart?
HARD
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which one of the following statements is incorrect?
EASY
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Oxytocin and vasopressin are synthesized in
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Hypersecretion of Growth Hormone in adults does not cause a further increase in height, because
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Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
A diabetic individual becomes unconscious after self-administering insulin. What should be done immediately to revive the individual?
MEDIUM
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
The amino acid tryptophan is the precursor for the synthesis of:
HARD
Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration
Which of the following shows chemoreceptors for respiration?
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Biology>Human Physiology>Breathing and Exchange of Gases>Regulation of Respiration

Match the following columns and select the correct option:-

Column-I Column-II
(a) Pneumotaxic centre (i) Alveoli
(b) O2 Dissociation curve (ii) Pons region of the brain
(c) Carbonic anhydrase (iii) Haemoglobin
(d) Primary site of exchange of gases (iv) RBC