Air contains___________________?

Related Mcqs:

1. The actual amount H2O present in the air is called_____________?

   A. Relative humidity
   B. Absolute humidity
   C. Both A and B
   D. non of these

2. The CO, content of air is___________________?

   A. 1%
   B. 10.3%
   C. 0.03%
   D. 0.002%

3. Primary air polluted is________________?

   A. SO₂
   B. SO₃
   C. SO₄
   D. None

4. The oxygen concentration in the air is________________?

   A. 30%
   B. 21%
   C. 16%
   D. 45%

5. Gassypium herbaceum was originated in______________?

   A. Ethipia and South Africa
   B. Kenya and South Africa
   C. Indonesia and Central America
   D. South Mexico and Central America

6. Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________?

   A. Capillary water
   B. sub-surface water
   C. Gravitational water
   D. Run off water

7. The process of converting food nutrients to carbohydrates in plants is called________________?

   A. Metabolism
   B. Photosynthesis
   C. Absorption
   D. Assimilation

8. The equipment used for separating, cleaning and grading small seeds from given sample is______________?

   A. Seed blower
   B. Seed sorter
   C. Seed divider
   D. a and b

9. In fanning system cultivation of two or more crops is known as_______________?

   A. Sequential cropping
   B. Strip cropping
   C. Multiple cropping
   D. All the above

10. Genus of cotton is___________________?

    A. Hirsutum
    B. Triticum
    C. Gassypium
    D. Hordeunt