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NEET Questions / Botany / Mineral Nutrition / Essential Elements
A scientist is studying the role of micronutrients in plant growth. They observe that a particular plant species exhibits stunted growth and interveinal chlorosis in young leaves. Which micronutrient deficiency is MOST likely responsible for these symptoms?
Manganese
Zinc
Copper
Iron
A researcher observes that a plant exhibits stunted growth, delayed flowering, and reduced pollen viability. Further analysis reveals a deficiency in a specific micronutrient that plays a role in pollen germination and cell division. Which micronutrient is MOST likely deficient?
Iron
Manganese
Copper
Boron
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
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 ()
Damage to which part of the root tip would most directly inhibit its ability to grow longer?
Root cap
Zone of elongation
Apical meristem
Root hairs
A plant hormone, auxin, plays a significant role in root development. Primarily, auxin influences which process in the root tip for growth?
Cell differentiation
Cell division
Cell elongation
Root hair formation
Which of the following micronutrients is directly involved in the oxidation of water during the light-dependent reactions of photosynthesis?
Calcium (Ca)
Manganese (Mn)
Chlorine (Cl)
Sulfur (S)
If a plant is deficient in manganese (Mn), which of the following processes of photosynthesis would be most directly affected?
Carbon dioxide fixation
ATP synthesis
Splitting of water molecules
NADPH formation