Uni directional absorption of minerals
Passive absorption
Active absorption
Apoplstic pathway
Symplastic pathway
Which of the following element is present in a chlorophyll molecule?
Iron
Copper
Manganese
Magnesium
Localized death of tissues after chlorosis are called
Abscission
Die-back
Necrosis
wilting
Inorganic nutrients are present in the soil in the form of
Atoms
molecules
parasite
ion
The plants absorb Zn as
Zn
Zn 2+
ZnO
ZnSo4
Phosphorous is a structural component of
Starch
Nucleotide
Fat
Aminoacid
Cell membrane is
impermeable
permeable
semi-permeable
selectively permeable
Premature leaf fall is due to the deficiency of
Phosphorous
Nitrogen
Calcium
Potassium
The effelux of ions from the cell is enhanced by
Cell shrinkage
Cell reproduction
Cell division
none of these
Which of the following statement is wrong about hydroponics
Hydroponics is useful as a kitchen garden
It is useful in areas having infertile and day soils.
It is used to study deficiency symptoms
None of these
