Official NCERT Book for Class 11 Biology: Chapter 12 Mineral Nutrition
Access the official NCERT textbook for Class 11 Biology, updated for the 2026-27 academic session. This digital resource provides the foundational knowledge required for exam success and conceptual clarity.
Chapter-wise Study Material: Chapter 12 Mineral Nutrition
Access the complete PDF for Chapter 12 Mineral Nutrition below. This focused excerpt allows students to isolate specific topics for thorough review. Cross-reference your textbook exercises with our detailed NCERT Solutions for Class 11 Biology.
EXERCISES
1. ‘All elements that are present in a plant need not be essential to its survival’. Comment.
2. Why is purification of water and nutrient salts so important in studies involving mineral nutrition using hydroponics.
3. Explain with examples: macronutrients, micronutrients, beneficial nutrients, toxic elements and essential elements.
4. Name at least five different deficiency symptoms in plants. Describe them and correlate them with the concerned mineral deficiency.
5. 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?
6. 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?
7. How are the minerals absorbed by the plants?
8. What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in N2 -fixation?
9. What are the steps involved in formation of a root nodule?
10. Which of the following statements are true? If false, correct them:
(a) Boron deficiency leads to stout axis.
(b) Every mineral element that is present in a cell is needed by the cell.
(c) Nitrogen as a nutrient element, is highly immobile in the plants.
(d) It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.
Please refer to attached file for NCERT Class 11 Biology - Mineral Nutrition
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NCERT Book Class 11 Biology Chapter 12 Mineral Nutrition
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