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

Related Mcqs:

1. In all plants the major sites of phosynthesis are___________?

   A. Leaves respire and utilize O2 and release CO2.
   B. Stems
   C. Roots
   D. Branches

2. Oxygen is the production of____________?

   A. Mitochonderia
   B. Chloroplast
   C. Peroxisomes
   D. Both A & B

   Submitted by: AMEEN MUHAMMAD

3. A series of hypothesis supported by the results of many tests is called ?

   A. Scientific law
   B. Theory
   C. Data
   D. Deduction

4. There are _________ hypothesis which may explain opening and closing of stomata?

   A. One
   B. Two
   C. Three
   D. Four

5. 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

6. Oxygen contents per liter of air is____________?

   A. 10 ml
   B. 100 ml
   C. 200 ml
   D. 100ml

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