11th Zoology - Book Back Answers - Unit 1 - English Medium Guides

 

 

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Tamil Nadu Board 11th Standard Zoology - Unit 1: Book Back Answers and Solutions

    This post covers the book back answers and solutions for Unit 1 – Zoology from the Tamil Nadu State Board 11th Standard Zoology 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 Zoology  Unit 1 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!

Unit 1: The Living World

I. Multiple Choice Questions

1. A living organism is differentiated from non-living structure based on
a. Reproduction
b. Growth
c. Metabolism
d. All the above
Answer Key:
d. All the above

2. A group of organisms having similar traits of a rank is
a. Species
b. Taxon
c. Genus
d. Family
Answer Key:
a. Species

3. Every unit of classification regardless of its rank is
a. Taxon
b. Variety
c. Species
d. Strain
Answer Key:
a. Taxon

4. Which of the following is not present in same rank?
a. Primata
b. Orthoptera
c. Diptera
d. Insecta
Answer Key:
d. Insecta

5. What taxonomicaid gives comprehensive information about a taxon?
a. Taxonomic Key
b. Herbarium
c. Flora
d. Monograph
Answer Key:
a. Taxonomic Key

6. Who coined the term biodiversity?
a. Walter Rosen
b. AG Tansley
c. Aristotle
d. AP de Candle
Answer Key:
a. Walter Rosen

7. Cladogram considers the following characters
a. Physiological and Biochemical
b. Evolutionary and Phylogenetic
c. Taxonimic and systematic
d. None of the above
Answer Key:
b. Evolutionary and Phylogenetic

8. Molecular taxonomic tool consists of
a. DNA and RNA
b. Mitochondria and Endocplamic reticulum
c. Cell wall and Membrane proteins
d. All the above
Answer Key:
a. DNA and RNA

II. Short answer questions

11th  zoolgy

III. Long answer questions

11th  zology

IV. Exercise

11th  zoolgy