The transport of a substance across a biological membrane against a concentration gradient is called___________________?

Related Mcqs:

The total dry matter produced by a plant as a result of photosynthesis is called_________________?

A. Biological yield B. Harvest index C. Dry matter D. Crop growth...

N mineralization is effected by soil pH_______________?

A. Below 6 B. Above 6 C. Above 10 D. None of the above...

The higher leachate conductivity is associated with__________________?

A. Mature seeds B. Immature seed? C. Abnormal seeds D. All the above...

Gaseous loss of a substance from the soil or from fertilizer or manure is called_________________?

A. Volatilization B. Evaporation C. Transpiration D. Evapotranspiration...

The technical name of janter is_________________?

A. Sesbania sesban B. S. aphylla C. S. oleaides D. S. mavretiana...