Self Studies

Breathing and Exchange of Gases Test 29

Result Self Studies

Breathing and Exchange of Gases Test 29
  • Score

    -

    out of -
  • Rank

    -

    out of -
TIME Taken - -
Self Studies

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Self Studies Self Studies
Weekly Quiz Competition
  • Question 1
    1 / -0
    Choose the incorrect statement.
    Solution
    Correct Answer: A
    Explanation:
    • Pyruvate is the end product of glycolysis.
    •  The cytoplasm of the cell. is the site of glycolysis.
    • While in the mic=tochondrial matrix, the Electron transport chain occurs.
    • Hence, the correct option is "Pyruvate is formed in the mitochondrial matrix>"
  • Question 2
    1 / -0

    Which of the following is the peripheral chemoreceptor?

    Solution
    Peripheral chemoreceptors are made up of aortic and carotid bodies. Aortic body control the changes in blood oxygen and carbon dioxide. But carotid body detects changes in pH along with O2_2 and CO2_2.
    So the correct answer is 'Both A and B'.
  • Question 3
    1 / -0

    Central chemoreceptors are found in

    Solution
    Central chemoreceptors are located on the ventrolateral medullary surface in the central nervous system. There receptors act to detect the changes in pH of their environment by detecting alteration in the concentration of O2_2 and CO2_2 of nearby cerebrospinal fluid. The decrease in CO2_2 causes the blood to become more acidic while it's increase makes the blood alkaline
    So, the correct answer is 'Medulla'.
  • Question 4
    1 / -0
    CO2_2 is carried in blood by hemoglobin in the form of
    Solution
    When carbon dioxide binds to hemoglobin, it forms carbaminohaemoglobin molecule. It is one of the form in which CO2_2 exists in blood. This decreases the affinity of haemoglobin for oxygen. Binding of CO2_2 to haemoglobin is reversible. When it reaches the lungs, the carbon dioxide dissociates from the haemoglobin and is expelled out.
    Thus, the correct answer is option C.
  • Question 5
    1 / -0
    What is not a common feature of periplaneta and scorpions?
    Solution
    • Spiracles are the small openings present along the edges of the abdomen of Periplaneta, through which respiratory gases are carried to and from tissues via small tubes called tracheae. 
    • Series of vascular thin plates called a book lungs to serve as a respiratory organ in Scorpion..
    • The other features are common to both organisms. 
      So, the correct answer is option C.
  • Question 6
    1 / -0
    Choose the correct statements with regard to human respiration. 
    (A) Inspiration is facilitated by the contraction of phrenic and external inter-costal muscles
    (B) Healthy human can inhale or exhale about 2000 to 3000 ml of air per minute
    (C) Functional residual capacity represent the volume of left out air in lungs after expiration
    (D) Total lung capacity is the total volume of air that could be accomodated in the lungs after forced inspiration.
    Solution
    During the process of inspiration external inter coastal muscles contract and diaphragm contract simultaneously. A healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute. Functional residual capacity (FRC) is the volume of air that will remain in the lungs after a normal expiration. It is the sum of expiratory reserve volume and residual volume. Total lung capacity is the total volume of air accomodated in the lungs after the forced inspiration. So, the correct option is A.
  • Question 7
    1 / -0
    Occupational lung diseases that occurs in humans, among those given below is
    Solution
    Anthracosis is the milder form of the black lung disease. It is caused by the accumulation of carbon in the lungs due to occupational exposure and inhalation of smoke or coal dust. Dyspnea is a condition in which there is shortness of breath. It could be the symptoms of any serious disease.  Atelectasis is a condition in which there is collapse of part of lung or lung which results in reduced gas exchange. Cyanosis is the appearance of a blue or purple colouration of the skin or mucous membranes due to the tissues near the skin surface having low oxygen saturation. 
    Thus, the correct answer is option B.
  • Question 8
    1 / -0
    The product obtained by the anaerobic respiration of yeast is 
    Solution
    The product obtained in the anaerobic respiration of yeast is ethanol. This process is known as fermentation. Alcoholic fermentation is carried out by unicellular organisms like yeast. Yeast breaks down pyruvic acid from glucose anaerobically into ethanol and carbon dioxide in the cytoplasm.
    Thus, the correct answer is option C. 
  • Question 9
    1 / -0
    Aerobic and anaerobic respirations differ from each other in all aspects except:
    Solution
    Aerobic respiration is the breakdown of glucose in the presence of oxygen and anaerobic respiration is the breakdown of energy in the absence of oxygen.
    The energy released in aerobic respiration is higher as glucose is completely broken into CO₂ and H₂O whereas, in anaerobic respiration partial breakdown of glucose takes place and energy output is low.
    Glycolysis, which converts glucose to pyruvic acid is the only common pathway that occurs in both aerobic and anaerobic respiration. It takes place in the cytoplasm.
    So, the correct option is option D.
  • Question 10
    1 / -0
    In mammals, pleural membranes cover the lungs as well as inside of the ribcage. The pleural fluid in between the two membranes:
    Solution
    The lungs are placed inside the abdominal thoracic cavity which is enclosed by the rib cage. The lungs are covered with the pleural membrane which lines the lungs and the rib cage. The pleural fluid which is present between the membranes provides protection to the lungs and prevents friction between the rib cage and the lungs during the process of breathing.
    Thus, the correct answer is option D. 
Self Studies
User
Question Analysis
  • Correct -

  • Wrong -

  • Skipped -

My Perfomance
  • Score

    -

    out of -
  • Rank

    -

    out of -
Re-Attempt Weekly Quiz Competition
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now