11th Botany - Book Back Answers - Chapter 9 - English Medium Guides

 

 

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Tamil Nadu Board 11th Standard Botany - Chapter 9: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Chapter 9 – 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 9 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 9: Tissue And Tissue Systerm

 

I. Multiple Choice Questions

1. Refer to the given figure and select the correct statement. 

 

 

 

 

 

 

i. A, B, and Care histogen of shoot apex
ii. A Gives rise to medullary rays.
iii. B Gives rise to cortex
iv. C Gives rise to epidermis
a. i and ii only
b. ii and iii only
c. i and iii only
d. iii and iv only
Answer Key:
c. i and iii only

2. Read the following sentences and identify the correctly matched sentences.
i. In exarch condition, the protoxylem lies outside of metaxylem.
ii. In endarch condition, the protoxylem lie towords the centre.
iii. In centarch condition, metaxylem lies in the middle of the protoxylem.
iv. In mesarch condition, protoxylem lies in the middle of the metaxylem.
a. i, ii and iii only
b. ii, iii and iv only
c. i, ii and iv only
d. All of these
Answer Key:
c. i, ii and iv only

3. Bicollateral vascular bundles are present in.
a. Cucurbitaceae
b. Lilliaceae
c. Dracena
d. Yucca
Answer Key:
a. Cucurbitaceae

4. When a leaf trace extends from a vascular bundle in a dicot stem, what would be the arrangement of vascular tissues in the veins of the leaf?
a. Xylem would be on top and the phloem on the bottom
b. Phloem would be on top and the xylem on the bottom
c. Xylem would encircle the phloem
d. Phloem would encircle the xylem
Answer Key:
a. Xylem would be on top and the phloem on the bottom

5. Grafting is successful in dicots but not in monocots because the dicots have
a. Vascular bundles arranged in a ring
b. Cambium for secondary growth
c. Vessels with elements arranged end to end
d. Cork cambium
Answer Key:
b. Cambium for secondary growth

II. Short answer questions

aa

III. Long answer questions

a

IV. Exercise

a