Which of the following is not a macro element?
Iron
Phosphorous
Manganese
Magnesium
Cell membrane is
impermeable
permeable
semi-permeable
selectively permeable
The mineral element which is essential for chlorophyll structure
Sulphur
Calcium
Molybdenum
Inorganic nutrients are present in the soil in the form of
Atoms
molecules
parasite
ion
The movement of ions into the cells are called
Flux
Efflux
Influx
Outflux
Uni directional absorption of minerals
Passive absorption
Active absorption
Apoplstic pathway
Symplastic pathway
The process by which a plant receives and utilizes the mineral nutrients for its normal growth and development is called
Organic nutrition
Mineral nutrition
Chemical absorption
None of these
Plastid disintegration & increase in rate of respiration are due to the deficiency of
K
Ca
Mg
S
The plants absorb Zn as
Zn
Zn 2+
ZnO
ZnSo4
The techniques for growing plants by placing their roots directly in nutrient solution without soil is called
Aeroponics
Hydroponics
Water less cultivation
Nutrient culture