Oxygen contents per liter of air is____________?

Related Mcqs:

1. The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.

   A. 10 ml
   B. 20 ml
   C. 30 ml
   D. 40 ml

2. Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?

   A. Cockroach
   B. Earthworm
   C. Aves
   D. Frogs

3. Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on___________?

   A. Bacteria
   B. Algae
   C. Protenema
   D. Cyanobacteria

4. ___________ respiration is the process by which cell utilized oxygen and produces CO2 ?

   A. Cellular
   B. Organismic
   C. Both of these
   D. None of these

5. Haemoglobin can be almost completely oxygenated by an oxygen pressure of __________ of mercury.

   A. 10 mm
   B. 60 mm
   C. 10 cm
   D. 100 mm

6. Important factors which affect the capacity of haemoglobin to combine with oxygen is

   A. Temperature
   B. Carbon dioxide
   C. pH
   D. All of these

7. The increase in pH of blood has ________ effect on the oxygen carrying capacity of haemogolobin?

   A. plus ve
   B. – ve
   C. No
   D. All of these

8. Transport of oxygen by blood takes place with the help of________?

   A. Erythrocytes
   B. Thrombocytes
   C. Lymphocytes
   D. Leucocytes

   Submitted by: Malik Asghar Hussain

9. Kind of cellular respiration which occurs in presence of oxygen is _________ ?

   A. Anaerobic respiration
   B. Aerobic respiration
   C. Nitrogenous respiration
   D. Acidic respiration

   Submitted by: Rashid Mehmood

10. __________is a condition in which there is an absence of oxygen supply to an organ’s tissues?

    A. Anoxia
    B. Anorexia
    C. Hypoxia
    D. Enuresis

    Submitted by: Neelam Parri