A. 20%
B. 10%
C. 5%
D. 15%
Related Mcqs:
- Although some acid soils do exist in the northern mountainous regions of Pakistan (Mansehra, Sawat, Dir). Almost all cultivated soils of the country are ________________, with high base saturation and low organic matter content (generally less than 1%)?
A. Alkaline
B. Very much acidic
C. Calcareous
D. both A & CSubmitted by: Shafiq Rehman
- Soils that have more than 20% organic matter are termed as organic soils. These are also called:________?
A. Peat soil
B. solonchalk soil
C. Muck soil
D. Both a and cSubmitted by: Shafiq Rehman
- Organic Soils are classified as ____________ and are also known as ____________ soils:
A. Alfisols. fine & coarse textured
B. Histosols, peat & muck
C. Ultisols, Fe & Al rich
D. None of the aboveSubmitted by: Shafiq Rehman
- Organic matter decomposes rapidly in Pakistani soils because of ____________ conditions, that is why our soils generally have < 1% organic matter:
A. High temperature
B. Alkaline
C. Both a & b
D. None of a & bSubmitted by: Shafiq Rehman
- The forest soils have lower bulk density than agricultural soils because of their ______ content.
A. High organic matter
B. Low organic matter
C. Both a & b
D. None of theseSubmitted by: Adnan
- 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 - Most of the productive soils in Pakistan have pH______________________?
A. Between 7.5 to 8.5
B. 8.5
D. None of the above - The deficient macronutrient in the sodic soils is:_______?
A. Mg
B. Ca
C. Mo
D. CuSubmitted by: Shafiq Rehman
- What is the pH of calcareous soils?
A. 8.0-8.5
B. 7.0-7.5
C. 8.5-9.0
D. 6.5-7.5Submitted by: Shafiq Rehman
- Plants which grow on sandy soils:_________?
A. Chasmophytes
B. Lithophytes
C. Psammophytes
D. None of theseSubmitted by: Shafiq Rehman
