Which nutrients are immobile in plants?

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. Which nutrients are immobile in plants?

   A. Ca only
   B. B only
   C. P only
   D. Both Ca & B

   Submitted by: Shafiq Rehman

3. 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

4. The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:

   A. Physical
   B. chemical
   C. Biological
   D. both A & B

   Submitted by: Shafiq Rehman

5. Immobile nutrient in soil is:_________?

   A. P
   B. N
   C. Mg
   D. None of the above

   Submitted by: Shafiq Rehman

6. The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?

   A. Eutrophication
   B. Nitrification
   C. Denitrification
   D. Sedimentation

7. Soil Organic Matter (SOM) which consists of about _______ % organic carbon plays a vital role by providing macro & micro nutrients:

   A. 72 %
   B. 58%
   C. 62 %
   D. Al of the above

   Submitted by: Shafiq Rehman

8. The process by which nutrients chemicals or contaminants are dissolved and carried away by water, or are moved into a lower layer of soil:

   A. Infiltration
   B. Percolation
   C. Leaching
   D. Seeping

   Submitted by: Shafiq Rehman

9. From the sources of plant nutrients availability in soil, which of the following statements are correct:

   A. The plant absorbs carbon as carbondioxides directly from the atmosphere.
   B. Water is the source of hydrogen
   C. Air & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.
   D. All of the above

   Submitted by: Shafiq Rehman

10. Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:

    A. Nitrates, Phosphates
    B. Calcium, magnesium
    C. Amino acids
    D. All of the above

    Submitted by: Shafiq-ur-Rehman