Tamil Nadu HSE+2 Botany Economically Useful Plants and Entrepreneurial Botany Solutions

Preparing the Economically Useful Plants and Entrepreneurial Botany chapter for the Tamil Nadu HSE+2 Botany examination can be challenging because it includes several plant species, families, products, active principles and their uses. Topics related to food crops, beverages, fibres, timber, spices and medicinal plants require good recall of factual information. Simply reading these topics may not be enough to check whether you can remember important details and answer questions correctly during the examination.

Using the Tamil Nadu HSE+2 Botany Economically Useful Plants and Entrepreneurial Botany Solutions can make revision more effective. Important questions with correct answers help you test your knowledge, recognise mistakes and revise key concepts before the Class 12 Botany examination.

Economically Useful Plants and Entrepreneurial Botany Solutions

Practise the following questions to revise important concepts, plant species, families, products and their uses from the chapter.

1. Consider the following statements and choose the right option.

i) Cereals are members of grass family.

ii) Most of the food grains come from monocotyledon.

• a) (i) is correct and (ii) is wrong

• b) Both (i) and (ii) are correct

• c) (i) is wrong and (ii) is correct

• d) Both (i) and (ii) are wrong

Answer: b) Both (i) and (ii) are correct

2. Assertion and Reason

Assertion: Vegetables are important part of healthy eating.

Reason: Vegetables are succulent structures of plants with pleasant aroma and flavours.

• a) Assertion is correct, Reason is wrong

• b) Assertion is wrong, Reason is correct

• c) Both are correct and reason is the correct explanation for assertion

• d) Both are correct and reason is not the correct explanation for assertion

Answer: a) Assertion is correct, Reason is wrong

3. Groundnut is native of:

• a) Philippines

• b) India

• c) North America

• d) Brazil

Answer: d) Brazil

4. Statements Analysis

Statement A: Coffee contains caffeine

Statement B: Drinking coffee enhances cancer

• a) A is correct, B is wrong

• b) A and B - Both are correct

• c) A is wrong, B is correct

• d) A and B - Both are wrong

Answer: a) A is correct, B is wrong

5. Tectona grandis comes under which family?

• a) Lamiaceae

• b) Fabaceae

• c) Dipterocarpaceae

• d) Ebenaceae

Answer: a) Lamiaceae

6. Tamarindus indica is indigenous to:

• a) Tropical African region

• b) South India, Sri Lanka

• c) South America, Greece

• d) India alone

Answer: a) Tropical African region

7. New world species of cotton is:

• a) Gossypium arboreum

• b) G. herbaceum

• c) Both a and b

• d) G. barbadense

Answer: d) G. barbadense

8. Assertion and Reason

Assertion: Turmeric fights various kinds of cancer

Reason: Curcumin is an anti-oxidant present in turmeric

• a) Assertion is correct, Reason is wrong

• b) Assertion is wrong, Reason is correct

• c) Both are correct

• d) Both are wrong

Answer: c) Both are correct

9. Find out the correctly matched pair:

• a) Rubber – Shorea robusta

• b) Dye – Lawsonia inermis

• c) Timber – Cyperus papyrus

• d) Pulp – Hevea brasiliensis

Answer: b) Dye – Lawsonia inermis

10. Observe the following statements and pick out the right option:

Statement I: Perfumes are manufactured from essential oils.

Statement II: Essential oils are formed at different parts of the plants.

• a) Statement I is correct

• b) Statement II is correct

• c) Both statements are correct

• d) Both statements are wrong

Answer: c) Both statements are correct

11. Observe the following statements and pick out the right option:

Statement I: The drug sources of Siddha include plants, animal parts, ores and minerals.

Statement II: Minerals are used for preparing drugs with long shelf-life.

• a) Statement I is correct

• b) Statement II is correct

• c) Both statements are correct

• d) Both statements are wrong

Answer: c) Both statements are correct

12. The active principle trans-tetrahydrocannabinol (THC) is present in:

• a) Opium

• b) Curcuma

• c) Marijuana

• d) Andrographis

Answer: c) Marijuana

13. Which one of the following matches is correct?

• a) Palmyra – Native of Brazil

• b) Saccharum – Abundant in Kanyakumari

• c) Stevioside – Natural sweetener

• d) Palmyra sap – Fermented to give ethanol

Answer: c) Stevioside – Natural sweetener

14. Which plant is known as the "King of Bitters"?

• a) Keezhanelli (Phyllanthus amarus)

• b) Nilavembu (Andrographis paniculata)

• c) Opium poppy (Papaver somniferum)

• d) Henna (Lawsonia inermis)

Answer: b) Nilavembu (Andrographis paniculata)

15. Which spice is referred to as the "King of Spices"?

• a) Cardamom

• b) Turmeric

• c) Black Pepper

• d) Chillies

Answer: c) Black Pepper

Tamil Nadu HSE+2 Economically Useful Plants and Entrepreneurial Botany Solutions PDF

Access the Economically Useful Plants and Entrepreneurial Botany Solutions PDF to revise important questions and answers from the chapter in one place. The chapter covers food plants, spices, fibres, timber, medicinal plants and entrepreneurial botany. 

Problems Covered in Tamil Nadu HSE+2 Economically Useful Plants and Entrepreneurial Botany

The questions cover several important areas from the chapter, including plant identification, economic products, medicinal plants and plant-based substances.

• Cereals and food grains

• Vegetables and their importance

• Groundnut and its origin

• Coffee and caffeine

• Timber-producing plants

• Tamarind and its origin

• Cotton species

• Turmeric and curcumin

• Natural dyes

• Essential oils and perfumes

• Siddha medicine

• Medicinal plants and active principles

• Natural sweeteners

• Nilavembu

• Important spices

For additional practice, you can also refer to the Tamil Nadu Plus Two Botany PYQs to practise questions from previous examinations.

Benefits of Practising Tamil Nadu HSE+2 Economically Useful Plants Questions

Practising questions from this chapter helps you revise important plant names, uses and economic products while checking your understanding.

• Revise plant-based products: Practise questions on food, fibres, timber, medicines, spices and essential oils.

• Recall scientific names: Strengthen your memory of important botanical names and their uses.

• Revise key facts: Brush up on plant families, origins, active principles and commercial products.

• Improve answer accuracy: Check your responses against the correct answers and learn from mistakes.

• Practise different question types: Attempt assertion-reason, statement-based and matching questions for varied practice.

• Find topics needing revision: Use incorrect answers to identify concepts that require another review.

You can also practise with the Tamil Nadu Plus Two Botany Model Papers to gain practice with different question formats.

How to Use Tamil Nadu HSE+2 Economically Useful Plants and Entrepreneurial Botany Solutions

Follow these steps to use the solutions effectively during your Botany revision:

1. Review the chapter: Read the textbook and revise important plant names, families, products, uses and active principles.

2. Solve without checking answers: Attempt each question on your own to assess your understanding.

3. Check your responses: Compare your answers with the given solutions and identify the questions you answered incorrectly.

4. Revise weak topics: Return to the relevant textbook topics and clarify concepts or facts that caused mistakes. You can also refer to the Tamil Nadu HSC Syllabus to review the prescribed topics.

5. Practise again: Reattempt difficult questions after revision to improve recall and accuracy.

6. Include it in your exam plan: Use the Tamil Nadu HSE 2nd Year Time Table 2027 to plan chapter revision and allocate time across subjects.

Regular practice is useful for revising the Economically Useful Plants and Entrepreneurial Botany chapter and improving recall of important plant species, products, medicinal uses and commercial applications. Checking the correct answers after attempting questions can help you identify mistakes and focus on topics that require further revision. The Tamil Nadu HSE+2 Botany Economically Useful Plants and Entrepreneurial Botany Solutions can therefore be used alongside textbook study and other question papers to strengthen preparation for the Class 12 Botany examination.

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