Gypsum is commonly used for reclamation of_________.
All of these
Unit of measuring electrical conductivity is__________.
None of these
Which of the following soil control measures is a mechanical measure?
Soil erosion of mostly affected by_________.
Total annual rainfall
Tillage is most important to crop production because it________.
Destroy soil structure
Prepares a good seed bed
Improved soil colour
Increase the acidity of the soil
A green manure crop would_______.
Lower water penetration
Increase nitrogen content
None of the above
Micro organism such as bacteria and fungi are useful in the soil because they_________.
Are fed by plant
Remove carbon dioxide
Increase pore space
Decay organic matter
Inter-culture operation are meant for__________.
Maintaining plant stand
The main objective of intercultivation is to_________.
Conserve soil moisture
Increase water holding capacity
which of the following developments has helped in the success of "Zero tillage "?
The difference between photosynthesis and respiration which is referred as___________.
Crop growth rate
Relative growth rate
The optimum temperature range for germination of most seeds is___________degree C.
A fraction of the biological yield which is useful to mankind is known as___________.
Inverse yield nitrogen law proposed by__________.
__________is the cheaper and long lasting source of carbon dioxide.
In a situation with different levels of plant population where the seeds per inflorescence and size of seeds are more resulting in higher yield..
Low population density
Moderately dense stands
Extreme dense stands
Plant lose about_________percent of the absorbed water just to maintain the optimum temperature .
Baul unit indicate the amount of nutrient that when added result in moving yield_________way closer to maximum possible yield.
Leaf orientation/ angle exceeds 60o intercept maximum sun light is known as_________.
Both A & B
____________is one factor under which many environment is limiting and cannot be supply artificially to the crop.
The organic matter content in arid sandy soils is____________%.
High temperature influence sex ratio in flower in__________crop.
Pearl mill ate
Expansion of the leaf blades is maximum in__________portion of the spectrum.
Relative humidity and wind velocity are inter related and have___________relationship.
None of above
Water is main constituent of the protoplasm comprising up to about_________% of its total weight.
Number of score out of 25 =
Score in percentage =
QuiZ:  1  2  3  4  6  8
Note: Having difficulties in attempting quiz or any misleading answer? please email us or comment below with indicating Test name, Thank You. Good Luck