Mineral Nutrition Multiple Choice Questions and Answers with FREE PDF

Mineral Nutrition Multiple Choice Questions and Answers centers chiefly around inorganic plant nutrition, wherein we will study the techniques to recognize elements fundamental to the growth and development of plants and the standards for setting up the centrality. This chapter additionally gives a short prologue to the centrality and the system of biological nitrogen obsession. Let us discuss about some Mineral Nutrition Multiple Choice Questions and Answers.

1 Active transport occurs
(A) Against concentration gradient and requires ATP
(B) Against concentration gradient but does not require ATP
(C) Along concentration gradient but requires ATP
(D) Along concentration gradient but does not require ATP

Answer: Against concentration gradient and requires ATP
2 Element which is a component of proteinaceous materials and protoplasm is
(A) Potassium
(B) Nitrogen
(C) Magnesium
(D) Oxygen

Answer: Nitrogen
3 Minerals are absorbed in the form of
(A) Molecules
(B) Ions
(C) Compounds
(D) Mixtures

Answer: Ions
4 Active and passive transports across cell membrane differ in
(A) Passive transport in non-selective
(B) Passive transport is along the concentration gradient while active transport is due to metabolic energy
(C) Active transport is more rapid
(D) Passive transport is confined to anions while active transport in confined to cations

Answer: Passive transport is along the concentration gradient while active transport is due to metabolic energy
5 Assertion: Nitrogen fixing bacteria of legume root nodules survive in oxygen depleted cells.
Reason: Leghaemoglobin completely removes oxygen from nodule cells.
(A) If both the assertion and reason are true and reason explains the assertion
(B) If both the assertion and reason are true but reason does not explain the assertion
(C) If assertion is true but reason is false
(D) If assertion is false but reason is true

Answer: If assertion is true but reason is false
6 Plant ash indicates
(A) Organic matter of plant
(B) Mineral salt absorbed by plants
(C) Both mineral salts nad organic matter
(D) Silica absorbed by plants

Answer:Mineral salt absorbed by plants
7 Nitrifying bacteria convert
(A) Nitrate to nitrogen
(B) Ammonia to nitrogen
(C) Nitrogen into soluble form
(D) Ammonia to nitrate

Answer: Ammonia to nitrate
8 The enzymes required for nitrogen fixation is
(A) Nitrogen deaminase
(B) Nitrodioxidase
(C) Amino acid decarboxylase
(D) Nitrogenase

Answer:Nitrogenase
9 Which group of three micronutrient elements affect both photosynthestic nad mitochondrial electron transport?
(A) Cu, Mn, Fe
(B) Co, Ni, Mo
(C) Ca, K, Na
(D) Mn, Co, Ca

Answer: Cu, Mn, Fe
10 Inorganic nutrients are present in the soil as
(A) Molecules
(B) Atoms
(C) Electrically charged ions
(D) Colloids

Answer: Electrically charged ions

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