Tamil Nadu Board of Secondary EducationHSC Science Class 12th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Biology Botany answers guide chapter 10 - Economically Useful Plants and Entrepreneurial Botany [Latest edition]

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Class 12th Biology Botany answers guide - Shaalaa.com
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Chapter 10: Economically Useful Plants and Entrepreneurial Botany

Evaluation
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Evaluation [Pages 201 - 202]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Biology Botany answers guide Chapter 10 Economically Useful Plants and Entrepreneurial BotanyEvaluation [Pages 201 - 202]

Evaluation | Q 1 | Page 201

Consider the following statements and choose the right option.

  1. Cereals are members of the grass family.
  2. Most of the food grains come from monocotyledon.
  • (i) is correct and (ii) is wrong

  • Both (i) and (ii) are correct

  • (i) is wrong and (ii) is correct

  • Both (i) and (ii) are wrong

Evaluation | Q 2 | Page 201

Assertion: Vegetables are important part of healthy eating.

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

  • Assertion is correct, Reason is wrong

  • Assertion is wrong, Reason is correct

  • Both are correct and reason is the correct explanation for assertion.

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

Evaluation | Q 3 | Page 201

Groundnut is native of ______

  • Philippines

  • India

  • North America

  • Brazil

Evaluation | Q 4 | Page 201

Statement A: Coffee contains caffeine
Statement B: Drinking coffee enhances cancer

  • A is correct, B is wrong

  • A and B – Both are correct

  • A is wrong, B is correct

  • A and B – Both are wrong

Evaluation | Q 5 | Page 201

Tectona grandis is coming under family

  • Lamiaceae

  • Fabaceae

  • Dipterocaipaceae

  • Ebenaceae

Evaluation | Q 6 | Page 201

Tamarindus indica is indigenous to

  • Tropical African region

  • South India, Sri Lanka

  • South America, Greece

  • India alone

Evaluation | Q 7 | Page 201

New world species of cotton

  • Gossipium arboretum

  • G.herbaceum

  • Both a and b

  • G.barbadense

Evaluation | Q 8 | Page 201

Assertion: Turmeric fights various kinds of cancer

Reason: Curcumin is an anti-oxidant present in turmeric

  • Assertion is correct, Reason is wrong

  • Assertion is wrong, Reason is correct

  • Both are correct

  • Both are wrong

Evaluation | Q 9 | Page 201

Find out the correctly matched pair.

  • Rubber - Shorea robusta

  • Dye - Indigofera annecta

  • Timber - Cyperus papyrus

  • Pulp - Hevea brasiliensis

Evaluation | Q 10 | Page 201

Observe the following statements and pick out the right option from the following:

Statement I – Perfumes are manufactured from essential oils.

Statement II – Essential oils are formed in different parts of the plants.

  • Statement I is correct

  • Statement II is correct

  • Both statements are correct

  • Both statements are wrong

Evaluation | Q 11 | Page 202

Observe the following statements and pick out the right option from the following:

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

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

  • Statement I is correct

  • Statement II is correct

  • Both statements are correct

  • Both statements are wrong

Evaluation | Q 12 | Page 202

The active principle trans-tetra hydro canabial is present in

  • Opium

  • Curcuma

  • Marijuana

  • Andrographis

Evaluation | Q 13 | Page 202

Which one of the following matches is correct?

  • Palmyra - Native of Brazil

  • Saccharun - Abundant in Kanyakumari

  • Steveocide - Natural sweetener

  • Palmyra sap - Fermented to give ethanol

Evaluation | Q 14 | Page 202

The only cereal that has originated and domesticated from the New World.

  • Oryza sativa

  • Triticum asetumn

  • Triticum duram

  • Zea mays

Evaluation [Page 202]

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Biology Botany answers guide Chapter 10 Economically Useful Plants and Entrepreneurial BotanyEvaluation [Page 202]

Evaluation | Q 15 | Page 202

Write the cosmetic uses of Aloe.

Evaluation | Q 16 | Page 202

What is pseudo cereal? Give an example.

Evaluation | Q 17 | Page 202

Discuss which wood is better for making furniture.

Evaluation | Q 18 | Page 202

A person got irritation while applying chemical dye. What would be your suggestion for an alternative?

Evaluation | Q 19 | Page 202

Name the humors that are responsible for the health of human beings.

Evaluation | Q 20 | Page 202

Give definitions for organic farming?

Evaluation | Q 21 | Page 202

Which is called the “King of Bitters”? Mention their medicinal importance.

Evaluation | Q 22 | Page 202

Differentiate bio-medicines and botanical medicines.

Evaluation | Q 23 | Page 202

Write the origin and area of cultivation of green gram and red gram.

Evaluation | Q 24 | Page 202

What are millets? What are its types? Give example for each type.

Evaluation | Q 25 | Page 202

If a person drinks a cup of coffee daily it will help him for his health. Is this correct? If it is correct, list out the benefits.

Evaluation | Q 26 | Page 202

Enumerate the uses of turmeric.

Evaluation | Q 27 | Page 202

What is TSM? How does it classify and what does it focus on?

Evaluation | Q 28 | Page 202

Write the uses of nuts you have studied.

Evaluation | Q 29 | Page 202

Give an account of the role of Jasminum and Rosa in perfuming.

Evaluation | Q 30 | Page 202

Give an account of the active principle and medicinal values of any two plants you have studied.

Evaluation | Q 31 | Page 202

Write the economic importance of rice.

Evaluation | Q 32 | Page 202

Which TSM is widely practiced and culturally accepted in Tamil Nadu? - explain.

Evaluation | Q 33 | Page 202

What are psychoactive drugs? Add a note Marijuana and Opium

Evaluation | Q 34 | Page 202

What are the King and Queen of spices? Explain about them and their uses.

Evaluation | Q 35 | Page 202

How will you prepare an organic pesticide for your home garden with the vegetables available from your kitchen?

Chapter 10: Economically Useful Plants and Entrepreneurial Botany

Evaluation
Class 12th Biology Botany answers guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Biology Botany answers guide chapter 10 - Economically Useful Plants and Entrepreneurial Botany

Tamil Nadu Board Samacheer Kalvi solutions for Class 12th Biology Botany answers guide chapter 10 (Economically Useful Plants and Entrepreneurial Botany) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 12th Biology Botany answers guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 12th Biology Botany answers guide chapter 10 Economically Useful Plants and Entrepreneurial Botany are Food Plants, Timber, Spices and Condiments, Fibres, Latex, Cosmetics, Pulp Wood, Dyes, Medicinal Plants, Traditional Systems of Medicines, Entrepreneurial Botany.

Using Tamil Nadu Board Samacheer Kalvi Class 12th solutions Economically Useful Plants and Entrepreneurial Botany exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 12th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

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