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which among the following is responsible to shift o2 dissociation curve right
General Science Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 25 of Quiz-1391 (Que-ID : 2668)
which among the following is responsible to shift o2 dissociation curve right
- High Pco2
- Low pco2
- Low H+
- None of the above
Ans → (a)High Pco2
Explanation → Option b and c shift the curve left
This question is taken from this post → Respiration Class 11th Biology | Practice MCQs with Answers for NEET - attemp/practice
More MCQs in - Respiration Class 11th Biology | Practice MCQs with Answers for NEET
Q. 1 of Quiz-1391 (Que-ID : 2644)
Which among the following does not exchange o2 with CO2 through simple diffusion
- Earthworms
- Earthworms
- Sponges
- Flatworms
Q. 2 of Quiz-1391 (Que-ID : 2645)
Which among the following have well developed respiratory system
- Cockroaches
- Earthworms
- Sponges
- Mammals
Q. 4 of Quiz-1391 (Que-ID : 2647)
Name a sound box which is responsible for sound production
- Pharynx
- Larynx
- Epiglottis
- None of the above
Q. 5 of Quiz-1391 (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 6 of Quiz-1391 (Que-ID : 2649)
Inspiration occurs if the pressure within the lungs is
- More than atm pressure
- Less tha atm pressure
- Equal to atm pressure
- None of the above
Q. 7 of Quiz-1391 (Que-ID : 2650)
The part starting from external nostril upto terminal bronchioles is known as
- Conducting part
- Exchange part
- Respiratory part
- None of the above
Q. 8 of Quiz-1391 (Que-ID : 2651)
What is the structural and functional unit of lungs
- Bronchioles
- Alveoli
- Bronchi
- Both a and c
Q. 9 of Quiz-1391 (Que-ID : 2652)
On an average healthy human breathes how many times per minute
- 12-16
- 15-16
- 20-25
- 72
Q. 10 of Quiz-1391 (Que-ID : 2653)
What is the inspiratory reserve volume
- 2500-3000 ml
- 500 ml
- 1000-1100 ml
- None of the above
Q. 11 of Quiz-1391 (Que-ID : 2654)
Volume air inspired or expired during normal respiration is known as
- TV
- IRV
- ERV
- RV
Q. 12 of Quiz-1391 (Que-ID : 2655)
which among the following is measured by spirometer
- Total lung capacity
- FRC
- RV
- TV
Q. 13 of Quiz-1391 (Que-ID : 2656)
Pressure contributed by an individual gas in a mixture of gas is known as
- Partial pressure
- Diffusion pressure
- Osmotic pressure
- None of the above
Q. 14 of Quiz-1391 (Que-ID : 2657)
Solubility of CO2 is how many times higher than O2
- 10-15
- 30-40
- 20-21
- 20-25
Q. 16 of Quiz-1391 (Que-ID : 2659)
What is the partial pressure of O2 in deoxygenated blood
- 45
- 40
- 95
- 43
Q. 17 of Quiz-1391 (Que-ID : 2660)
How many percent of co2 is carried by plasma in dissolved form
- 6
- 7
- 20-25
- None of the above
Q. 19 of Quiz-1391 (Que-ID : 2662)
Every 100ml of deoxy blood delivers approx
- 2ml of co2 to alveoli
- 3 of co2 to alveoli
- 4ml of co2 to alveoli
- 7ml of co2 to alveoli
Q. 20 of Quiz-1391 (Que-ID : 2663)
RBC contains very high quantity of which enzyme
- Carbonic anhydrase
- Lysosome
- Ligase
- None of the above
Q. 21 of Quiz-1391 (Que-ID : 2664)
which among the following is caused due to decreased respiratory surface area
- Astma
- Emphysema
- Sclerosis
- None of the above
Q. 22 of Quiz-1391 (Que-ID : 2665)
Whose role in respiratory rhythm regulation is insignificant
- Co2
- O2
- Both a and b
- None of the above
Q. 23 of Quiz-1391 (Que-ID : 2666)
Pneumotaxic centre is present in which region of brain
- Medulla
- Hypothalamus
- Pons
- None of the above
Q. 24 of Quiz-1391 (Que-ID : 2667)
Which type of curve is formed when percent of haemoglobin is plotted against po2
- Straight line
- Hyperbola
- Sigmoid
- Parabola
Q. 25 of Quiz-1391 (Que-ID : 2668)
which among the following is responsible to shift o2 dissociation curve right
- High Pco2
- Low pco2
- Low H+
- None of the above
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