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12th Tamil Nadu Board
IMPORTANT
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Tectona grandis is coming under family

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Important Questions on Economically Useful Plants and Entrepreneurial Botany

EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 6
Tamarindus indica is indigenous to
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 7
New world species of cotton
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 9
Find out the correctly matched pair
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 10

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 at different parts of the plants.

EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 11
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 long shelf-life.
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 12
The active principle trans-tetra hydro canabial is present in
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 13
Which one of the following matches is correct?
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 14
The only cereal that has originated and domesticated from the New world.