A. Physiologically wet
B. Physiologically dry
C. Physically dry
D. None of the above
Related Mcqs:
- Water-logged condition will quickly occur in which type of soil?
A. Sand
B. Loam
C. Graved
D. Clay - 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 - 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 - Endemic plants are those which grow in:
A. Fresh water lakes
B. Shady places
C. Tissue of other plants
D. Geographically limited areas - 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 - Plants that grow in a marshy saline habitat are called:
A. Hydrophytes
B. Xerophytes
C. Mesophytes
D. Mangroves - 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 - Removal of top soil by soil erosion result in the loss of soil:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids - 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% - 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
Mcq Added by: admin