Which of these elements IS NOT a macronutrient for plants?
Potassium
Calcium
Magnesium
Iron
Related Questions
Iron is essential for plant growth. In which form is iron primarily absorbed by plants from the soil?
Ferrous (Fe2+)
Ferric (Fe3+)
Elemental Iron (Fe)
Iron Oxide (Fe2O3)
Farmers in a particular region were concentrated that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
Frequent irrigation of the crop
Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
Removal of all yellow leaves and spraying the remaining green leaves with 2, 4,5-trichlorophenoxy acetic acid
Application of iron and magnesium to promote synthesis of chlorophyll
Which element is NOT essential for the synthesis of chlorophyll?
Magnesium
Nitrogen
Iron
Sodium
During photosynthesis, the splitting of water molecules contributes electrons to photosystem II. Which micronutrient is essential for this process?
Boron (B)
Nickel (Ni)
Manganese (Mn)
Iron (Fe)
Which metal ion is a constituent of chlorophyll?
Copper
Magnesium
Which is not essential for plants growth
Cobalt
Vanadium
Nickel
Fluorine
Which zone of the root tip is primarily responsible for the increase in root length?
Zone of maturation
Root cap
Zone of elongation
Zone of cell division
Sulphur is an important nutrient for optimum growth and productivity in
Pulse crops
Cereals
Fibre crops
Oilseed crops
A deficiency in which micronutrient would directly impair the oxygen-evolving complex in photosystem II?
Zinc (Zn)
Copper (Cu)
Manganese (Mn)
Molybdenum (Mo)
Which element is crucial for chlorophyll formation in plants?
Calcium
Potassium
Magnesium
Phosphorus
