Mineral Nutrition Objective Type Questions and Answers with FREE PDF

Mineral Nutrition Objective Type 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 Objective Type Questions and Answers.

1 Which of the following class of enzyme does not need manganese for its efficient activity?
(A) Dehydrogenase
(B) Decarboxylases
(C) Kinases
(D) Nitrogenase

Answer:Nitrogenase
2 Nitrogen is an important constituent of
(A) Polyphosphates
(B) Carbohydrates
(C) Proteins
(D) Lipids

Answer: Proteins
3 Element required in least quantity is
(A) Zn
(B) Mn
(C) Mo
(D) Cl

Answer: Mo
4 Function of red pigment leghaemoglobin present in root nodules of legumnious plants is to regulate
(A) CO2 supply in cells
(B) Mo supply to cells
(C) O2 supply to cells
(D) Production of phenolic compounds

Answer:O2 supply to cells
5 Essential macronutrients are
(A) Manufactured during photosynthesis
(B) Produced by growth hormoes
(C) Absorbed from soil
(D) Produced by enzymes

Answer:Absorbed from soil
6 Gene responsible for nitrogen fixation is
(A) Nif
(B) Nitrogenase
(C) Yeast alanine tRNA synthetase
(D) RNA synthetase

Answer: Nif
7 An essential element is that which
(A) Is found in plant ash
(B) Is availanle in soil
(C) Improves health of plants
(D) Is irreplaceable and indispensable for growth of plants

Answer: Is irreplaceable and indispensable for growth of plants
8 Denitrification is carried out by
(A) Nitrosomonas
(B) Nitrosocccus
(C) Nitrobacter
(D) Pseudomonas

Answer:Pseudomonas
9 Plants absorb nitrogen as
(A) Nitrate
(B) Nitrite
(C) Ammonia and Urea
(D) All the above

Answer: All the above
10 Function of leghaemoglobin during biological nitrogen fixation in root nodules of legumes is to
(A) Convert atmospheric nitrogen to ammonia
(B) Convert ammonia to nitrite
(C) Transport oxygen for activity of nitrogenase
(D) Protect nitrogenase from oxygen

Answer: Protect nitrogenase from oxygen

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Class 11 Biology Questions and AnswersClass 12 Biology Questions and Answers
Chapter 1: The Living WorldChapter 1: Reproduction in Organisms
Chapter 2: Biological ClassificationChapter 2: Sexual Reproduction in Flowering Plants
Chapter 3: Plant KingdomChapter 3: Human Reproduction
Chapter 4: Animal KingdomChapter 4: Reproductive Health
Chapter 5: Morphology of Flowering PlantsChapter 5: Principles of Inheritance and Variation
Chapter 6: Anatomy of Flowering PlantsChapter 6: Molecular Basis of Inheritance
Chapter 7: Structural Organisation in AnimalsChapter 7: Evolution
Chapter 8: Cell The Unit of LifeChapter 8: Human Health and Disease
Chapter 9: BiomoleculesChapter 9: Strategies for Enhancement in Food Production
Chapter 10: Cell Cycle and Cell DivisionChapter 10: Microbes in Human Welfare
Chapter 11: Transport in PlantsChapter 11: Biotechnology:Principles And Processes
Chapter 12: Mineral NutritionChapter 12: Biotechnology and its Applications
Chapter 13: Photosynthesis in Higher PlantsChapter 13: Organisms and Populations
Chapter 14: Respiration in PlantsChapter 14: Ecosystem
Chapter 15: Plant Growth and DevelopmentChapter 15: Biodiversity and Conservation
Chapter 16: Digestion and AbsorptionChapter 16: Environmental Issues
Chapter 17: Breathing and Exchange of Gases 
Chapter 18: Body Fluids and Circulation 
Chapter 19: Excretory Products and their Elimination 
Chapter 20: Locomotion and Movement 
Chapter 21: Neural Control and Coordination 
Chapter 22: Chemical Coordination and Integration 

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