The experimental design which controls fertility variation in two directions in known as_________________?

Related Mcqs:

1. The experimental design which control fertility variation in one direction is known as____________________?

   A. RBD
   B. SPD
   C. AD
   D. LSD

2. The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

   A. N, P, K
   B. Ca, Mg, S
   C. both A & B
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

3. Sustainable technologies to improve soil fertility and physical condition:

   A. Balance use of NPK fertilizers according to the need of crops.
   B. Following proper crop rotation (shallow rooted and deep root crops) in the cropping session.
   C. Regular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
   D. All of the above

   Submitted by: Shafiq Rehman

4. Vertical resistance is also known as_________________?

   A. Race specific
   B. Oligogenic
   C. Qualitative
   D. All the above

5. A mutation which kills 50% of the individual that carry the mutation is known as_________________?

   A. Lethal mutation
   B. Sub lethal mutation
   C. Vital mutation
   D. Sub-vital mutation

6. Development of distorted swollen leaves which become inverted translucent and eventually necrotic is known as_________________?

   A. Bacterial contamination
   B. Mosaicism
   C. Vitrification
   D. Death of plant

7. Air layering is also known as_________________?

   A. Cross match
   B. Marcpottage
   C. Ghooti
   D. All the above

8. A pruning management done to develop a tree framework strong cough to bear large number of fruits without breaking of branches is known as_________________?

   A. Training
   B. Thinning
   C. Punning
   D. All the above

9. A condition of green plant in which they become unhealthy and pale yellow in colour in known as_________________?

   A. Chloroplast
   B. Chromoplast
   C. Leucoplast
   D. Chlorsis

10. The device used for the measurement of positive pressure potential of soil water is known as_________________?

    A. Lysimeter
    B. Tensiometer
    C. Piezometer
    D. Barometer