Write the economic importance of rice.

Important Questions on Economically Useful Plants and Entrepreneurial Botany

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 32

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

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 33

What are psychoactive drugs? Add a note Marijuana and Opium .

HARD

12th Tamil Nadu Board

IMPORTANT

Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 34

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

EASY

12th Tamil Nadu Board

IMPORTANT

Biology Botany Standard 12>Chapter 10 - Economically Useful Plants and Entrepreneurial Botany>Evaluation>Q 35

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