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Tamil Nadu Board of Secondary EducationHSC Science कक्षा १२

HSC Science कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Botany

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Botany
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Give definitions for organic farming?

[10] Economically Useful Plants and Entrepreneurial Botany
Chapter: [10] Economically Useful Plants and Entrepreneurial Botany
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Define bonsai?

[10] Economically Useful Plants and Entrepreneurial Botany
Chapter: [10] Economically Useful Plants and Entrepreneurial Botany
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What is a terrarium?

[10] Economically Useful Plants and Entrepreneurial Botany
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Write the origin and area of cultivation of green gram and red gram.

[10] Economically Useful Plants and Entrepreneurial Botany
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Enumerate the uses of turmeric.

[10] Economically Useful Plants and Entrepreneurial Botany
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What are the advantages of cultivation of aromatic plants?

[10] Economically Useful Plants and Entrepreneurial Botany
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How will you make a Bonsai tree?

[10] Economically Useful Plants and Entrepreneurial Botany
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What is NMPB?

[10] Economically Useful Plants and Entrepreneurial Botany
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What are psychoactive drugs? Add a note Marijuana and Opium

[10] Economically Useful Plants and Entrepreneurial Botany
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What are the King and Queen of spices? Explain about them and their uses.

[10] Economically Useful Plants and Entrepreneurial Botany
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How will you prepare an organic pesticide for your home garden with the vegetables available from your kitchen?

[10] Economically Useful Plants and Entrepreneurial Botany
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What will you do if you want to make a portable indoor greenery?

[10] Economically Useful Plants and Entrepreneurial Botany
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Give an account of the cultivation of Gloriosa superba/Cymbopogon citrates.

[10] Economically Useful Plants and Entrepreneurial Botany
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Fruit colour in squash is an example of

[2] Classical Genetics
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The epistatic effect, in which the dihybrid cross 9:3:3:1 between AaBb Aabb is modified as

[2] Classical Genetics
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“Gametes are never hybrid”. This is a statement of

[2] Classical Genetics
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Gene which suppresses other genes activity but does not lie on the same locus is called as

[2] Classical Genetics
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Pure tall plants are crossed with pure dwarf plants. In the F1 generation, all plants were tall. These tall plants of the F1 generation were selfed and the ratio of tall to dwarf plants obtained was 3:1. This is called

[2] Classical Genetics
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The dominant epistatis ratio is

[2] Classical Genetics
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What are multiple alleles?

[2] Classical Genetics
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