The percentage of run off water reaching the ocean and evaporation into atmosphere is respectively:

Related Mcqs:

1. The percentage of water found in oceans is:

   A. 89%
   B. 93%
   C. 97%
   D. 86%

2. A three year old plant of poplar and Tamarix gallica consumes ______ liters and ____ liters of water per day, respectively under optimum supply conditions:

   A. 45,60
   B. 50,70
   C. 60,80
   D. None of these

3. The percentage of water bound in lithosphere and sedimentary rocks is:

   A. 75
   B. 65
   C. 85
   D. 95

4. Percentage of water left in the soil when a plant wilts is known as:

   A. Turgidity
   B. Wilting coefficient
   C. Field capacity
   D. Water retaining power of the soil

5. The efficiency of primary production in an ocean is:

   A. 5%
   B. 3.50%
   C. 1%
   D. 0.20%

6. The sulphate rocks are formed in ocean by leaching of:

   A. FeS and Fe2S3
   B. Organic sulphates and -SH
   C. Soluble inorganic sulphates
   D. All of these

7. The Atacama desert of Coastal South America running from southern Ecuador to central ______, between the Andes mountains and the Pacific Ocean:

   A. United State
   B. Chile
   C. Both (a) & (b)
   D. None of these

8. The particulate matter dispersed in the atmosphere is:

   A. Gaseous
   B. Mainly gaseous
   C. Non-gaseous
   D. Mainly non-gaseous

9. The concentration of SO2 in the atmosphere is around:

   A. 0.01 ppm
   B. 0.001 ppm
   C. 0.5 ppm
   D. 0.75 ppm

10. The presence of O3 in atmosphere of earth:

    A. Has been responsible for increasing the average global temperature in recent
    B. Is advantageous since it supplies O2 for people travelling in jets
    C. Hinders higher rate of photosynthesis
    D. Helps in checking the penetration of ultra violet rays to earth