Mineral Function Mineral Nutrition - Mini Q Bank Mineral Nutrition (OLD NCERT) Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Identify the incorrect statement amongst the following:
1. Phosphorus is obtained by the plants from the soil in the form of phosphates $(H_{2} {PO}_{4}^{-} or {HPO}_{4}^{2 -})$
2. Nitrogen is obtained from the soil in the form of nitrates $({NO}_{3}^{-})$ , nitrites $({NO}_{2}^{-})$ and ammonium $({NH}_{4}^{+})$ salts
3. Sulphur is mainly obtained by plants as sulphur dioxide by foliar absorption
4. Boron is absorbed in the form of borate ions $({BO}_{3}^{3 -} or B_{4} O_{7}^{2 -})$

Subtopic: Mineral Function |

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${Zn}^{2 +}$ is an activator of the enzyme:

1. RuBisCO	2. PEP carboxylase
3. Nitrogenase	4. Alcohol dehydrogenase

Subtopic: Mineral Function |

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A plant requires magnesium mainly for:

1. DNA replication	2. Synthesizing enzymes
3. Synthesizing hormones	4. Synthesizing chlorophyll

Subtopic: Mineral Function |

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Which of the following elements is a constituent of vitamins such as thiamine, biotin and Coenzyme A?

1. Calcium	2. Sulfur
3. Iron	4. Phosphorus

Subtopic: Mineral Function |

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The two elements required for splitting of water to liberate oxygen during photosynthesis are:
1. Manganese and Chlorine
2. Manganese and Boron
3. Copper and Chlorine
4. Molybdenum and Magnesium

Subtopic: Mineral Function |

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Which essential element is important for the opening and closing of stomata in higher plants?
1. Calcium
2. Sodium
3. Potassium
4. Phosphorus

Subtopic: Mineral Function |

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The essential element, Calcium, is required by the higher plants for:
I. Synthesis of cell wall
II. Formation of mitotic spindle
III. Normal functioning of the cell membranes
1. I and II only
2. I and III only
3. II and III only
4. I, II and III

Subtopic: Mineral Function |

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