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 B. P C. B D. Both A & C 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. After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

   A. Heterogeneous B. Heterozygous C. Homogenous D. Homozygous...

7. 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...

8. 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...

9. 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...

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...