11th Botany - Book Back Answers - Chapter 12 - English Medium Guides

 

Plus One / 11th Botany - Book Back Answers - Chapter 12 - English Medium

Tamil Nadu Board 11th Standard Botany - Chapter 12: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Chapter 12 – Botany from the Tamil Nadu State Board 11th Standard Botany textbook. These detailed answers have been carefully prepared by our expert teachers at KalviTips.com.

    We have explained each answer in a simple, easy-to-understand format, highlighting important points step by step under the relevant subtopics. Students are advised to read and memorize these subtopics thoroughly. Once you understand the main concepts, you’ll be able to connect other related points with real-life examples and confidently present them in your tests and exams.

    By going through this material, you’ll gain a strong understanding of Botany Chapter 12 along with the corresponding book back questions and answers (PDF format).

Question Types Covered:

• 1 Mark Questions: Choose the correct answer, Fill in the blanks, Identify the correct statement, Match the following 
• 2 Mark Questions: Answer briefly 
• 3, 4, and 5 Mark Questions: Answer in detail

All answers are presented in a clear and student-friendly manner, focusing on key points to help you score full marks.

All the best, Class 11 students! Prepare well and aim for top scores. Thank you!

Chapter 12 : Mineral Nutrition

I. Multiple Choice Questions

1. Identify correct match.

1. Die back disease of citrus        -    (i) Mo
2. Whip tail disease                      -    (ii) Zn
3. Brown heart of turnip             -     (iii) Cu
4. Little leaf                                  -      (iv) B
a. 1 (iii) 2 (ii) 3 (iv) 4 (i)
b. 1 (iii) 2 (i) 3 (iv) 4 (ii)
C. 1 (i) 2 (iii) 3 (ii) 4 (iv)
d. 1 (iii) 2 (iv) 3 (ii) 4 (i)
Answer Key:
b. 1 (iii) 2 (i) 3 (iv) 4 (ii)

2. If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?
a. Mn prevent the uptake of Fe, Mg but not Ca
b. Mn increase the uptake of Fe, Mg and Ca
c. Only increase the uptake of Ca
d. Prevent the uptake Fe, Mg, and Ca
Answer Key:
a. Mn prevent the uptake of Fe, Mg but not Ca

3. The element which is not remobilized?
a. Phosphorous
b. Potassium
c. Calcium
d. Nitrogen
Answer Key:
c. Calcium

4. Match the correct combination.

	Minerals		Role
A	Molybdenum	1	Chlorophyll
B	Zinc	2	Methionine
C	Magnesium	3	Auxin
D	Sulphur	4	Nitrogenase

a. A-1    B-3      C-4      D-2
b. A-2    B-1      C-3      D-4
C. A-4   B-3      C-1       D-2
d. A-4    B-2      C-1       D-3
Answer Key:
C. A-4   B-3      C-1       D-2

5. Identify the correct statement
i. Sulphur is essential for amino acids Cystine and Methionine
ii. Low level of N, K, S and Mo affect the cell division
iii. Non-leguminous plant Alnus which contain bacterium Frankia
iv. Denitrification carried out by nitrosomonas and nitrobacter.
a. I, II are correct
b. I, II, III are correct
c. I only correct
d. all are correct
Answer Key:
b. I, II, III are correct

II. Short answer questions

aa

III. Long answer questions

a

IV. Exercise

a