Plants having no defined limits of vegetative and reproductive element is called______________?

Related Mcqs:

1. Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?

   A. Long day plants
   B. Short day plants
   C. Photoperiod
   D. Phototropism

2. Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________?

   A. Capillary water
   B. sub-surface water
   C. Gravitational water
   D. Run off water

3. Raising of only one crop in a year, when there is seasonal supply of water is called______________?

   A. Monocropping
   B. Monoculture
   C. Specialized farming
   D. Intensive cropping

4. Ratio of crop yield to the amount of water utilized is called______________?

   A. Soil water use
   B. Crop water use efficiency
   C. Soil plant water relationship
   D. Water intensity

5. A nutrient element is said to be essential if___________________?

   A. Plants can not complete their life cycle in absence of that element
   B. Nutrients has some physiological function in metabolism of plant
   C. Deficiency symptoms can be removed by application of that putrid
   D. All the above

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

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

7. Root nodules in plants help in___________________?

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

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

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

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

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

10. Plants uptake their nutrients from____________________?

    A. Air
    B. Water
    C. So
    D. All the above