In which one of the following pairs is the specific characteristic of a soil not correctly matched?

Related Mcqs:

1. Identify the correctly matched pair:

   A. Montreal Protocol – Global warming
   B. Ramsar Convention – Ground water pollution
   C. Kyoto Protocol – Climatic change
   D. Basal Convention – Biodiversity Conservation

2. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites
   B. Nitrates
   C. Nitrogen
   D. Nitric and nitrous acids

3. Which one of the following pairs is mismatched?

   A. Savanna – Acacia trees
   B. Prairie – Epiphytes
   C. Coniferous forest – Evergreen trees
   D. Tundra – Permafrost

4. Which one of the following pairs is a sedimentary type of biogeochemical cycle?

   A. Oxygen and nitrogen
   B. Phosphorus and Sulphur
   C. Phosphorus and CO2
   D. Phosphorus and nitrogen

5. In water logged soil plants cannot grow properly because the soil is:

   A. Physiologically wet
   B. Physiologically dry
   C. Physically dry
   D. None of the above

6. When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:

   A. 4.50%
   B. 9%
   C. 8.25%
   D. 16.50%

7. The ration of volume of pores in the soil to the total soil volume is referred to as:

   A. Pore frequency ratio
   B. Pore density ration
   C. Pore abundance ratio
   D. Pore space ratio

8. When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:

   A. Gravitational water
   B. Capillary water
   C. Field capacity
   D. Storage capacity

9. Which of the following is not the characteristic feature of the anatomy of xerophytes?

   A. Spongy paraenchyma
   B. Well developed conducting tissue
   C. Well developed mechanical tissue
   D. Thick cuticle

10. Excessive aerenchyma is characteristic of:

    A. Hydrophytes
    B. Xerophytes
    C. Mesophytes
    D. Heliophytes