Which pair of elements are predominantly found in older leaves due to their immobility within the plant?
Nitrogen and Potassium
Magnesium and Phosphorus
Calcium and Boron
Iron and Manganese
Related Questions
The movement of which element across the cell membrane is crucial for regulating water potential and maintaining turgidity in plant cells?
Nitrogen
Phosphorus
Potassium
Magnesium
Which is essential for the growth of root tip?
A deficiency in iron can lead to chlorosis in plants. Which of the following ionic forms of iron is most readily available for uptake by plant roots to prevent such deficiencies?
Fe2+
Fe3+
Fe4+
FeO
Which element is located at the centre of the porphyryin ring in chlorophyll?
Potassium
Manganese
Calcium
Magnesium
Which micronutrient is essential for the synthesis of auxin, a plant hormone crucial for growth and development?
Copper
Molybdenum
Zinc
Boron
Turgor pressure, essential for plant cell rigidity, is primarily maintained by the regulation of which element's concentration?
Phosphorus
Sulfur
Potassium
Nitrogen
Number of essential elements are?
60
30
17
9
Which of the following are considered as the roles of iron (Fe) in plants?
I. Important constituent of cytochrome
II. Activator of catalase
III. Essential for chlorophyll synthesis
Choose the correct option
Only I
Only III
Only II
All of these
Insectivorous plants eats insects for their requirement of
Sodium-potassium
Nitrogen
Chlorine
Phosphorus
Plants growing near the nuclear test sites take up and accumulate which of the following elements?
Gold
Selenium
Strontium
All of these