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

Related Mcqs:

1. Water-logged condition will quickly occur in which type of soil?

   A. Sand
   B. Loam
   C. Graved
   D. Clay

2. The soils that are fully laden with water i.e., water logged, are known are:

   A. Physically dry soils
   B. Physiologically dry soils
   C. Alkaline soils
   D. Acidic soils

3. 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

4. Endemic plants are those which grow in:

   A. Fresh water lakes
   B. Shady places
   C. Tissue of other plants
   D. Geographically limited areas

5. Plants grow sparsely in arid regions of the world:

   A. Only because of high temperature
   B. Because no seeds fall near the soil
   C. Because of several environmental factors combining together
   D. Because the soil is sandy

6. Plants that grow in a marshy saline habitat are called:

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

7. If the top soil has been eroded, we retire a land and grow over it:

   A. Lichens
   B. Blue-green algae
   C. Legumes
   D. Grasses

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

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

9. 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%

10. Among the plants listed, point out one that does not fit into biological group represented by other plants

    A. Euphorbia
    B. Acacia
    C. Vallisneria
    D. Aloe