Which of the following elements is very essential for uptake and utilisation of and membrane function?
Phosphorus
Molybdenum
Manganese
Boron
Related Questions
One of the major function of essential elements is
Activation of enzymes
Inhibition of enzymes
Both (a) and (b)
No effect on enzymes
Which of the following elements is responsible for maintaining turgor in cells ?
Calcium
Magnesium
Potassium
Sodium
Which group of elements are predominantly involved in maintaining osmotic potential in plants?
Calcium, Magnesium, Sulfur
Iron, Manganese, Zinc
Potassium, Chloride, Sodium
Nitrogen, Phosphorus, Potassium
One of the following is involved in DNA and RNA synthesis?
Sulphur
The plant ash indicates
Organic matter of plant
Mineral salts absorbed by plants
Both mineral salts and organic matter
Silica absorbed by plants
In addition to known essential elements, there are some beneficial elements. These are required by the
specific functions or optimal growth
basic survival of the organism
prevention of all diseases
maintenance of minimal growth
The number of essential nutrients needed in plants is
16
5
4
8
Which zone of the root tip is primarily responsible for the increase in root length?
Zone of maturation
Root cap
Zone of elongation
Zone of cell division
Which of the following elements plays a crucial role in maintaining turgor pressure within plant cells?
Sodium
Potassium
Calcium
Magnesium
Farmers in a particular region were concentrated that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
Frequent irrigation of the crop
Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
Removal of all yellow leaves and spraying the remaining green leaves with 2, 4,5-trichlorophenoxy acetic acid
Application of iron and magnesium to promote synthesis of chlorophyll
