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Mineral Nutrition EXERCISES Solutions
- Q1: ‘All elements that are present in a plant need not be essential to its survival’. Comment.
- Q2: Why is purification of water and nutrient salts so important in studies involving mineral nutrition using hydroponics?
- Q3: Explain with examples: macronutrients, micronutrients, beneficial nutrients, toxic elements and essential elements.
- Q4: Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.
- Q5: If a plant shows a symptom which could develop due to deficiency of more than one nutrient, how would you find out experimentally, the real deficient mineral element?
- Q6: Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?
- Q7: How are the minerals absorbed by the plants?
- Q8: What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in $N_2$-fixation?
- Q9: What are the steps involved in formation of a root nodule?
- Q10(a): Which of the following statements are true? If false, correct them: (a) Boron deficiency leads to stout axis.
- Q10(b): Which of the following statements are true? If false, correct them: (b) Every mineral element that is present in a cell is needed by the cell.
- Q10(c): Which of the following statements are true? If false, correct them: (c) Nitrogen as a nutrient element, is highly immobile in the plants.
- Q10(d): Which of the following statements are true? If false, correct them: (d) It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.
Chapters in CBSE - Class 11 Biology
- The Living World
- Biological Classification
- Plant Kingdom
- Animal Kingdom
- Morphology of Flowering Plants
- Anatomy of Flowering Plants
- Structural Organisation in Animals
- Cell – The Unit of Life
- Biomolecules
- Cell Cycle and Division
- Transport in Plants
- Photosynthesis
- Respiration in Plants
- Plant Growth and Development
- Digestion and Absorption
- Breathing and Exchange of Gases
- Body Fluids and Circulation
- Excretory Products and Elimination
- Locomotion and Movement
- Neural Control and Coordination
- Chemical Coordination and Integration
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