The chemical formula of carotene obtained from carrot is.
C40H56
C40H56O2
C55H72O5N4Mg
C55H70O6N4Mg
Which of the following element is required by plant in large quantity?
carbon
sulphur
nitrogen
phosphorus.
The active transport mechanism is against concentration gradient and
requires ATP
does not require ATP
requires protein
does not requires protein
The pressure, by which root hairs absorb water and minerals, from the soil, is
DPD
osmosis
ion exchange
turgor pressure
How many ATP molecules are produced by aerobic oxidation of one molecule of glucose ?
2
14
34
38
Gray spots of oat are caused by the deficiency of
Zn
Mn
Fe
Cu
Which of the following element is essential for photosynthetic oxygen evolution?
iron.
gold
copper
manganese
Boron in green plants assists in
photosynthesis
sugar translocation
activation of enzymes
acting as enzyme cofactor
With an increase in the turgidity of a cell, the wall pressure will
increase
decrease
fluctuate
remain unchanged
In which of the following form, sugar is transported within the body of a plant?
sucrose
lactose
glucose
maltose
