A. Micro elements
B. Trace elements
C. Both A & B
D. None of these
Submitted by: Shafiq Rehman
Related Mcqs:
- Igneous rocks are called:__________?
A. Primary rocks
B. Secondary rocks
C. Aqueous rocks
D. None of the aboveSubmitted by: Shafiq Rehman
- Salt-tolerant plants are called ____________________?
A. Glycophytes
B. Halophytes
C. Xerophytes
D. All the above - The lower limit of available water is called ____________________?
A. Field capacity
B. Wilting point
C. Available water
D. Hygroscopic water - The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?
A. Saline soils
B. Saline-sodic soils
C. Sodic soils
D. Neutral soils - Biochemical reduction of nitrate to nitrite or gaseous nitrogen is called ________________________?
A. Reduction
B. Oxidation
C. Denitrification
D. None of the above - An intrazonal group of dark calcareous soils high in clay and having mainly montmorillonitic type clay are called as:________?
A. Regur
B. Ragour
C. Montmorillosol
D. RegosolSubmitted by: Shafiq Rehman
- The configuration of a surface and the relations among its man-made and natural features is called:________?
A. Tofography
B. topograpy
C. Topography
D. All of the aboveSubmitted by: Shafiq Rehman
- The movement of water through a column of soil is called:___________?
A. Infiltration
B. Percolation
C. Leaching
D. hydraulic conductivitySubmitted by: Shafiq Rehman
- Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?
A. Linear planting
B. Strip planting
C. Cover planting
D. All of the aboveSubmitted by: Shafiq Rehman
- Items needed for synthesis of plant food in green leaves are _________ & the process through which it takes place is called photosynthesis:
A. Sunlight
B. Chlorophyll
C. Water & plant nutrients
D. All of the aboveSubmitted by: Shafiq Rehman
