Essential Mineral Nutrients
Essential Mineral Nutrients: Overview
This topic covers concepts, such as, Sources of Calcium in Plants,Deficiency of Nitrogen in Plants,Role of Chlorine in Plants etc.
Important Questions on Essential Mineral Nutrients
The method of successful treatment of botulism prior to appearance of botulism symptoms involve administration of
Which of the following is correct set of micronutrient for plants?
Sulphur is a constituent of:
Match List I with List II:
| List I | List II |
| A. Iron | I. Synthesis of auxin |
| B. Zinc | II. Component of nitrate reductase |
| C. Boron | III. Activator of catalase |
| D. Molybdenum | IV. Cell elongation and differentiation |
Choose the correct answer from the options given below:
Which micronutrient is required for splitting of water molecule during photosynthesis?
Read the statements given below and find out how many of them are correct:
I. Essential minerals C, H & O are obtained by plants from CO2 and H2O.
II. Deficiency symptoms of mobile elements are found in older tissue.
III. Mo is component of enzymes such as nitrogenase and nitrate reductase.
IV. Being mobile element, calcium accumulates in older tissue.
V. Essential calcium is required by meristematic and differential tissue.
VI. Essential element has role in buffering action and enzymatic activity.
Match the following concerning essential elements and their functions in plants:
| (a) | Iron | (i) | Photolysis of water |
| (b) | Zinc | (ii) | Pollen germination |
| (c) | Boron | (iii) | Required for chlorophyll biosynthesis |
| (d) | Manganese | (iv) | IAA Biosynthesis |
Select the correct option:
Match List -I with List-Il.
| List - I | List - II | ||
| (a) | Manganese | (i) | Activates the enzyme catalase |
| (b) | Magnesium | (ii) | Required for pollen germination |
| (c) | Boron | (iii) | Activates enzymes of respiration |
| (d) | Iron | (iv) | Functions in splitting of water during photosynthesis |
Choose the correct answer from the options given below:
Necrosis means
Enlist the role and deficiency symptoms of phosphorus.
Enlist the role and deficiency symptoms of potassium.
Function of zinc is
Match column – I with Column – II:
| Column –I | Column – II | ||
| 1 | Micronutrients | A | |
| 2 | Macronutrients | B | Nitrosomonas |
| 3 | Nitrification | C | |
| 4 | Denitrification | D | Thiobacillus |
Which of the following statements is correct?
1. Catalytic activity is lost when the cofactor is removed from the enzyme.
2. Coenzyme nicotinamide adenine dinucleotide (NAD) and NADP contains the vitamin niacin.
3. Biomacromolecules have a hierarchy of structures, such as primary, secondary, tertiary and quaternary.
4. Enzymes lower activation energy of reactions and enhance greatly the rate of the reactions.
5. Nucleic acids carry hereditary information and are passed on from parental generation to progeny.
is the activator of which of the following enzyme?
Plants can be grown in (Tick the incorrect option)
Which of the following element is a component of ferredoxin?
Copper is the component of
Deficiency symptom of and appears in
Select the correct order of true and false statements.
(1) Morphological changes which are indicative of certain element deficiencies are known as deficiency symptoms.
(2) For activity mobilized element deficiency symptoms first appear in older tissues.
(3) When element is relatively immobile, deficiency symptoms first appear in younger tissue.
(4) Mineral nutrition study of plant has greater significance to agriculture and horticulture.
