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:

Related Mcqs:

1. 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...

2. 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...

3. Soil Organic Matter (SOM) serves not only as a reservoir of all the required plant nutrients, but it:

   A. Provides energy for the microbial B. Maintains the productivity of soil C. Gives structure to the soil D. All of these Submitted by: Shafiq Rehman...

4. 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...

5. 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...

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. 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...

8. 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...

9. Which nutrients are immobile in plants?

   A. Ca B. P C. B D. Both A & C Submitted by: Shafiq Rehman...

10. Which nutrients are immobile in plants?

    A. Ca only B. B only C. P only D. Both Ca & B Submitted by: Shafiq Rehman...