The water loss through transpiration from vegetative and evaporation from soil surface is known as__________________?

Related Mcqs:

1. Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

   A. Mull B. Mulch C. Mycorrhizae D. Muck Submitted by: Shafiq Rehman...

2. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol B. Methyle alcohol C. both A and B D. None of these Submitted by: Shafiq Rehman...

3. Which chemical used to prevent evaporation from surface of water in water bodies?

   A. Cetyle alcohol B. Methyle alcohol C. both A and B D. None of these Submitted by: Shafiq Rehman...

4. Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:

   A. Deep Tillage B. Conservation Tillage C. Both a & b D. None of these Submitted by: Shafiq Rehman...

5. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

   A. Soil amendment B. Soil conditioner C. Both a & b D. None of the above Submitted by: Shafiq Rehman...

6. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain B. Neutral rain C. Both A & B D. None of the above Submitted by: Shafiq Rehman...

7. All the individuals derived by vegetative propagation from a single individual is known as___________________?

   A. Affects more than five characters B. Affects more than ten characters C. Affects only one character D. Affects more than one character...

8. Clear water with organic matter or sediment and minimum biological activity is known as__________________?

   A. Oligotrophic B. Mestrophic C. Eutrophic D. Hydrotrophic...

9. Which of the following nutrient play the most effective role in controlling rate of transpiration:

   A. Potassium B. Zinc C. Phosphorus D. Mg Submitted by: Shafiq Rehman...

10. A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?

    A. Autodiploid B. Hexaploid C. Autopolyploid D. Amphidiploid...