Mg in plants act as___________________?

Related Mcqs:

1. The sever salinity problem has taken lands out of production as___________________?

   A. 50%
   B. 10%
   C. 45%
   D. 30%

2. The substance that an enzyme acts upon is known as___________________?

   A. Product
   B. Substrate
   C. Mycotoxin
   D. None of the above

3. Partially decomposed organic matter is termed as___________________?

   A. Humus
   B. Farm yard manure
   C. Composet
   D. All the above

4. Pulling of off- type plants from a cropped field is called___________________?

   A. Rouging
   B. Weeding
   C. Pruning
   D. None of the above

5. When crop plants adopt to a new environment are called___________________?

   A. Accaumatization
   B. Domestication
   C. Selection
   D. Introduction

6. A condition of green plants in which they become unhealthy and pale fellow in colour is known as_________________?

   A. Chromoplast
   B. Leucoplast
   C. Chlorosis
   D. Chromoplast

7. Root nodules in plants help in___________________?

   A. Photosynthesis
   B. aeration
   C. Nitrogen fixation
   D. Respiration

8. The plants which grown on stream bank are__________________?

   A. Pheritophytes
   B. Bryophytes
   C. Xerophytes
   D. None of the above

9. The plants which, grow neither in dry nor in wet condition are_______________________?

   A. Xerophytes
   B. Amphibiophytes
   C. Mesophytes
   D. Hydrophytes

10. The deficient level of N(%) in plants suggested by various workers is_________________?

    A. <2%
    B. <1%
    C. <5%
    D. 10%