Tamil Nadu 11th State Board Biology Important Questions

Students who want to do well on their class 11th final exams should be familiar with the concepts, and the best method is to practice with the Tamil Nadu 11th State Board Biology Important Questions. Important questions in class 11th Botany are crucial because they allow students to assess their level of learning and go through the fundamentals in each chapter.

Tamil Nadu State Board's class 11th Biology is a combined study of animals and plants. It is further divided into two subjects - Botany and Zoology. Botany primarily studies different plants and understands plant ecology that influences science, medicine, and farming. On the other hand, Zoology is a study of different species of animals that exist within the animal kingdom's entirety.

⭐ TN SSLC Syllabus

⭐ TN HSC Syllabus

TN 11th Botany Important Questions

Botany covers a vast area that helps analyze specific topics by building the fundamentals. The 11th state board botany subject's primary units are Diversity of the Living World, Plant Morphology and Taxonomy of Angiosperm, Cell Biology and Biomolecules, and Plant Anatomy Physiology. In addition, critical topics based on specific concepts from the prescribed textbook have been handpicked and provided below for revision.

1. Why are Monosaccharides called 'reducing sugars' but disaccharides are not?

2. Name the two phases of the cell cycle, which last for the longest and shortest hours.

3. Write a specific feature of the membrane of mitochondria.

4. Give two examples of secondary metabolites used as drugs.

5. Bryophytes need water for fertilization – Justify the statement.

6. Write any three distinguishing features between the accessory and reproductive organs of flowers.

7. Explain the regions of the positively geotropic part of the plant.

8. Compare the three classes of algae based on the following parameters-.

1. Major pigment.

2. Stored food.

3. The number of flagella and their position of insertion.

9. At the end of a cell division, a cell produces four cells. Identify the type of cell division and mention its significance in evolution.

10. Identify the family of the plant Pisum Sativum. Write diagnostic features based on - (a) Calyx (b) Corolla (c) Androecium (d) Gynoecium (e) Fruit

11. Explain the different types of placentation with a diagram.

12. Explain the Dihybrid cross with a checkerboard.

13. Explain the potato osmoscope. Experiment with diagrams.

14. Write short notes on deforestation.

15. Explain the Ultrastructure of Chloroplast.

TN 11th Botany Textbook PDF Download

The topics mentioned above only act as additional revision material for students and should be read through only after reviewing the entire textbook and syllabus prescribed by the Tamil Nadu state board. The link to download the Tamil Nadu State Board 11th Botany textbook has also been provided in the table below for students' convenience. 

Content	Download Link
Tamil Nadu State Board 11th Botany Textbook - Volume I	Download
Tamil Nadu State Board 11th Botany Textbook - Volume II	Download

TN 11th Zoology Important Questions

Students can use crucial questions in Zoology to assist them in preparing for exams and clear their questions about each chapter by practising. In addition, solving these critical class 11th Zoology problems will teach students time management abilities.

Some of the essential topics from all chapters present within the prescribed textbook have been provided below to help students effectively revise while preparing for their final examination. However, these topics only act as additional revision mechanisms for students after thoroughly reading the textbooks and school notes. 

1. Expand the abbreviations DAISY and ABIS.

2. Compare schizocoelomate with enterocoelomate?

3. List any two characteristics of Hemichordate.

4. How does emphysema occur?

5. Write the significance of the following. i. Microvilli ii. Goblet cells.

6. Explain what the deficiency disease caused by less intake of iron in our diet is called?

7. List out the diagnostic features of phylum Ctenophora.

8. Write the systematic positions of cockroach and frog.

9. Construct a cladogram with the given examples. (Catfish, Frog, Crocodile, Crow, Rabbit, and Monkey)

10. Tabulate the agglutinogens and agglutinins present in the different groups of human blood.

11. How do you distinguish shark fish from catfish?

12. Write an account of protein-energy malnutrition.

13. Add a note on the role of pancreatic enzymes in protein digestion.

14. Write a note on respiratory pigments.

15. What are the components involved in the coagulation of blood?

TN 11th Zoology Textbook PDF Download

A download link to the Tamil Nadu class 11th Zoology textbook is also provided below. SCERT (State Council for Educational Research and Training) of Tamil Nadu's new syllabus-based textbooks and e-books have been published for the 11th standard.

Content	Download Link
Tamil Nadu State Board 11th Zoology Textbook - Volume I	Download
Tamil Nadu State Board 11th Zoology Textbook - Volume II	Download

 Advantages of TN 11th Biology Important Questions

The following are some of the advantages of practicing chapter-by-chapter key questions:

• Students will become familiar with the question pattern.

• It will be less challenging to revise and prepare for exams.

• Students will improve their efficiency by constantly practicing the questions.

• Students can practice the questions while keeping track of the time to improve their time management skills.

• These crucial questions can help students analyze their strengths and weaknesses, focusing on weak areas to improve their grades.

• As students practice and solve many example papers, they improve their speed in answering problems. They also make fewer errors as they practice and solve difficulties to obtain the correct solution.