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