Prepare for NEET Biology Mineral Nutrition (Essential Elements) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights to identify macronutrients, micronutrients, and their roles.
NEET Questions / Botany / Mineral Nutrition / Essential Elements
Which element is NOT essential for the synthesis of chlorophyll?
Magnesium
Nitrogen
Iron
Sodium
Molybdenum deficiency primarily affects which metabolic process in plants?
Photosynthesis
Respiration
Nitrogen fixation
Transpiration
Which element is a constituent of the middle lamella in plant cells?
Potassium
Magnesium
Calcium
Iron
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
Zinc is essential for the activity of which plant hormone?
Gibberellin
Cytokinin
Auxin
Ethylene
Which element plays a crucial role in the electron transport chain during both photosynthesis and respiration?
Magnesium
Manganese
Copper
Iron
Which of the following elements plays a crucial role in maintaining turgor pressure within plant cells?
Sodium
Potassium
Calcium
Magnesium
Turgor pressure, essential for plant cell rigidity, is primarily maintained by the regulation of which element's concentration?
Phosphorus
Sulfur
Potassium
Nitrogen
A deficiency of which element could directly lead to a loss of turgor in plant cells?
Potassium
Calcium
Magnesium
Iron
Which ion is actively transported into guard cells to facilitate stomatal opening, indirectly contributing to turgor maintenance in surrounding cells?
Sodium ()
Potassium ()
Calcium ()
Chloride ()
