Phosphorus deficiency is widespread in most (_____%) 0f the soils of Pakistan.

Related Mcqs:

1. Phosphorus (P) is the second major nutrient essential for plant growth. With the exception of Nitrogen (N) and Potassium (K), Phosphorus is required by plants in_________?

   A. Lesser quantities B. Greater quantities C. Not required D. The above statement is wrong Submitted by: Shafiq Rehman...

2. 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 & C Submitted by: Shafiq Rehman...

3. 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 c Submitted by: Shafiq Rehman...

4. 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 above Submitted by: Shafiq Rehman...

5. 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 & b Submitted by: Shafiq Rehman...

6. 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 these Submitted by: Adnan...

7. calcium is immobile in plants. Therefore, under conditions of deficiency, young tissue is affected first. calcium deficiency symptoms are:

   A. Death of terminal buds; roots tips also affected B. Abnormal dark green appearance of foliage C. Premature shedding of  blossoms & buds & weakened stem D. All of the above Submitted by: Shafiq-ur-Rehman...

8. Availability of Phosphorus is maximum at:__________?

   A. Neutral B. Alkaline C. Acidic D. None of these Submitted by: Shafiq Rehman...

9. In acidic soil which form of phosphorus uptake by plants?

   A. Primary orthophosphate B. Secondary orthophosphate C. Both D. None of these Submitted by: gmsyed...

10. In alkaline soil which form of phosphorus uptake by plants?

    A. Primary orthophosphate B. Secondary orthophosphate C. both D. None of these Submitted by: gmsyed...