The specific symptoms due to the deficiency of elements are called
Deficiency symptoms
Hunger signs
Both (a) and (b)
None of these
Zinc is essential for
Biosynthesis of chlorophylls
Biosynthesis of IAA
Stomatal closing
Oxidation of carbohydrates
Who is considered as the Father of Plant Physiology?.
Metcalfe and Chalk
Stephen Hales
Kramer
B.S.Mayer
Phosphorous is a structural component of
Starch
Nucleotide
Fat
Aminoacid
Which one of the following mineral element plays an important role in biological nitrogen fixation?
Zinc
copper
manganese
molybdenum
Which of the following elements are essential for photolysis of water?
Ca and Cl
Mg and P
Mn and Cl
Zn and Cl
The transport of mineral ions in the root through cell wall is called
Symplastic pathway
Apoplastic pathway
Passive absorption
Active absorption
The upward translocation of mineral ions take place through the xylem along with ascent of sap was proved by
F.G.Donnan
D.R. Hoagland and P.R. Stout
Arnon
Steward
The techniques of growing plants with their roots bathed in nutrient mist is called
Hydroponics
Aeroponics
Nutrient culture
Foliar culture
Which of the following elements is almost non-essential for plants?
Ca
Mo
Zn
Na
