The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?

Related Mcqs:

Which rock is harder_________________?

A. Metamorphic B. Sedimentary C. Igneous D. Sand stone...

Rhyolite in nature is______________________?

A. Acidic B. Basic C. Both a & b D. None of the above...

Solution containing molecular weight of a substance in gram per liter of a solution is known as______________________?

A. Normal B. Molal C. Molar D. None of the above...

Extraction of humic substance can be done by______________________?

A. NaOH B. NH4Cl C. NH4OH D. None of the above...

A treeless artic plain is called as___________________?

A. Glaciers B. Barren land C. Tundra D. None of the above...