State importance of iron ?
Required for activation of Carboxyalase enzyme.
Required for the structure of Ferodoxin.
Required for the photolysis of during photosynthesis.
Required for the absorption and metabolism of Ca.
Browse topic-based Biology practice sets.
1757 practice sets · Page 27 of 88
State importance of iron ?
Required for activation of Carboxyalase enzyme.
Required for the structure of Ferodoxin.
Required for the photolysis of during photosynthesis.
Required for the absorption and metabolism of Ca.
State importance of Ca.
Structural component of plasma membrance
For the synthesis if IAA.
Formation of bipolar centriole during cell-division
Formation of nuclear membrance
State deficiency symptoms of Mo.
fruit yeild decreases
fall of fruit
N - deficiency appears.
death of root-apex and shoot-apex.
State deficiency of Cl.
Wilting of stubby roots
brown spoted fruits
accumalation of purple pigment
premature leaf fall
Standards for mineral elements essentially was suggested by which scientist ?
Julious Vonsachs
Cornelius Von
Arnon and Stout
Jhon Ingen house
Out of the following, what is the function of Potasium ?
ion balance
stabilizes ribosomes
Required for iron absorption
In active site of many redox enzymes
One plant is given Urea fertilizer, but it has deficiency of phosphorous, this plant will show which symptom ?
Cambium activity reduces
fruit size deminishes
Grey spots on leaves
seed dormancy increases.
Of the following, S is essential for best production of which crop ?
oily seeds
leguminosae
grains
Fibres
In which form Phosphorous is absorbed from soil ?
In the first phase of absorption of mineral ions from soil to root, element passes through which plant?
Cell wall
Nuclear membrance
tonoplast
plasma membrance
Formation of and from is indentified by which name ?
Nitration
Denitrification
Nitrogenation
Nitrification
Formation of FAD during fixation occurs during which processes ?
growth and development
cell division and differentiation
photosynthesis and transpiration
Respiration and photosynthesis
Due to which type of bacteria atmospheric is maintained ?
Nitrosomonas
Rhizobium
Nitrobacter
Pseudomonas
Due to which element deficiency bark of tree becomes rough and gets split and exudes gum-like secretion ?
Zn
K
P
Cu
Due to natural lightening
Nitrate is converted into Nitride
is converted into nitrate
Modify from ZNO3 to
to increase activity of Reductive Amination
Donnan equillibrium is achieved at which surface ?
Cell wall
Nuclear membrance
plasma membrance
Vascular membrace
Deficiency of which mineral causes shortening of internodes and reduction in cambium activity ?
K
Fe
Cu
B
Deficiency of which element shows stunted growth ?
Mo, Ca, S, N
Cl, N, Cu, Zn
P, S, Mn, Ca
K, N, Fe, Ca
Deficiency of which element kills terminal buds leaving a rosette effect on the plant ?
Mo
B
Cu
None
By which principle, indirect storage of stable and non-diffusible ions is explained ?
ion exchange
principle of mass flow
Donnan equillibrium
principle of Diffusion