Which climate is required for better growth and production of crops ?

Related Mcqs:

1. Previously Essential nutrients required for the growth of plants were sixteen. In recent time the essential nutrients required for the growth of plants are:_________?

   A. 16 B. 17 C. 18 D. None of the above Submitted by: Shafiq Rehman...

2. The lower leaves turn yellow and in some crops they quickly start drying up as if suffering from shortage of water, stunted growth, leaves & fruits shedding & whole plant becomes yellow, are deficiency symptoms of:_________?

   A. Potash B. Nitrogen C. Calcium D. Both a & c Submitted by: Shafiq Rehman...

3. Elements essentially required for growth of all plants species are___________________?

   A. 32 B. 15 C. 16 D. 3...

4. 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...

5. Availability of Zn is higher to crops in:_________?

   A. Acid soils  B. Sodic soils C. Saline-sodic soils D. Saline soils Submitted by: Shafiq Rehman...

6. Which of the following crops is most tolerant to salty soils?

   A. Corn B. Rice C. Carrot D. Cotton Submitted by: Mir Mehrbiyar...

7. The practice of managing rows of closely planted woody plants with annual crops planted in alleys in between hedges is called as:________?

   A. Soil conservation hedges B. Woody Hedgerows C. Hedgerows intercropping D. All of these Submitted by: Shafiq Rehman...

8. 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 above Submitted by: Shafiq Rehman...

9. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:

   A. Insecticides—Herbicides B. Fungicides—Insecticides C. Weedicides—insecticides D. None of the above Submitted by: Shafiq Rehman...

10. According to a latest research, Pakistan is predominantly a dryland country; 80% of its land area is arid and semi arid, 12% sub-humid and 8% under humid climate. Thus , soils of arid & semi-arid regions are vulnerable to a wide range of degradation process. As the case in arid and semi-arid climates elsewhere in south-central/southern Asia and Sub-Saharan Africa; _________________ are among the major causes of soil degradation and desertification?

    A. Drought stress B. Accelerated erosion & salinization C. Depletion of soil fertility and SOM D. All of the above Submitted by: Shafiq Rehman...