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Chapters
2: Plant Kingdom
3: Vegetative Morphology
4: Reproductive Morphology
5: Taxonomy and Systematic Botany
6: Cell: The Unit of Life
7: Cell Cycle
8: Biomolecules
9: Tissue and Tissue System
10: Secondary Growth
11: Transport in Plants
▶ 12: Mineral Nutrition
13: Photosynthesis
14: Respiration
15: Plant Growth and Development
![Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 12 - Mineral Nutrition - Shaalaa.com](/images/biology-botany-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 12 - Mineral Nutrition")
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Solutions for Chapter 12: Mineral Nutrition
Below listed, you can find solutions for Chapter 12 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Biology (Botany) [English] Class 11 TN Board.
Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board 12 Mineral Nutrition Evaluation [Pages 239 - 240]
Identify correct match.
- Die back disease of citrus - (i) Mo
- Whip tail disease - (ii) Zn
- Brown heart of turnip - (iii) Cu
- Little leaf - (iv) B
1 - (iii), 2 - (ii), 3 - (iv), 4 - (i)
1 - (iii), 2 - (i), 3 - (iv), 4 - (ii)
1 - (i), 2 - (iii), 3 - (ii), 4 - (iv)
1 - (iii), 2 - (iv), 3 - (ii), 4 - (i)
If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?
Mn prevent the uptake of Fe, Mg but not Ca
Mn increase the uptake of Fe, Mg and Ca
Only increase the uptake of Ca
Prevent the uptake Fe, Mg, and Ca
The element which is not remobilized?
Phosphorous
Potassium
Calcium
Nitrogen
Match the correct combination.
| Minerals | Role | ||
| A | Molybdenum | 1 | Chlorophyll |
| B | Zinc | 2 | Methionine |
| C | Magnesium | 3 | Auxin |
| D | Sulphur | 4 | Nitrogenase |
A - 1, B - 3, C - 4, D - 2
A - 2, B - 1, C - 3, D - 4
A - 4, B - 3, C - 1, D - 2
A - 4, B - 2, C - 1, D - 3
Identify the correct statement.
- Sulphur is essential for amino acids Cystine and Methionine.
- Low level of N, K, S and Mo affect cell division.
- Non-leguminous plant Alnus which contain bacterium Frankia.
- Denitrification carried out by nitrosomonas and nitrobac.
I, II are correct
I, II, III are correct
I only correct
all are correct
Nitrogen is present in the atmosphere in huge amounts but higher plants fail to utilize it. Why?
Why is that in certain plants, deficiency symptoms appear first in younger parts of the plants while in others, they do so in mature organs?
Plant A in a nutrient medium shows whiptail disease plant B in a nutrient medium shows a little leaf disease. Identify mineral deficiency of plant A and B?
Write the role of nitrogenase enzyme in nitrogen fixation?
Explain the insectivorous mode of nutrition in angiosperms?
Solutions for 12: Mineral Nutrition
Samacheer Kalvi solutions for Biology (Botany) [English] Class 11 TN Board chapter 12 - Mineral Nutrition
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Concepts covered in Biology (Botany) [English] Class 11 TN Board chapter 12 Mineral Nutrition are Functions, Mode of Absorption and Deficiency Symptoms of Macronutrients, Functions, Mode of Absorption and Deficiency Symptoms of Micronutrients, Deficiency Diseases and Symptoms, Critical Concentration and Toxicity of Minerals, Hydroponics and Aeroponics, Nitrogen Fixation, Special Modes of Nutrition, Nitrogen Cycle, Classification of Minerals.
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