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Tamil Nadu Board of Secondary EducationHSC Science इयत्ता १२

HSC Science इयत्ता १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Biology (Botany and Zoology)

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विषय
मुख्य विषय
अध्याय
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Biology (Botany and Zoology)
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What are psychoactive drugs? Add a note Marijuana and Opium

[1.1] Economically Useful Plants and Entrepreneurial Botany
Chapter: [1.1] Economically Useful Plants and Entrepreneurial Botany
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What are the King and Queen of spices? Explain about them and their uses.

[1.1] Economically Useful Plants and Entrepreneurial Botany
Chapter: [1.1] 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?

[1.1] Economically Useful Plants and Entrepreneurial Botany
Chapter: [1.1] Economically Useful Plants and Entrepreneurial Botany
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Fruit colour in squash is an example of

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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The epistatic effect, in which the dihybrid cross 9:3:3:1 between AaBb Aabb is modified as

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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“Gametes are never hybrid”. This is a statement of

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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Gene which suppresses other genes activity but does not lie on the same locus is called as

[1.02] Classical Genetics
Chapter: [1.02] 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

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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The dominant epistatis ratio is

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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What are multiple alleles?

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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Differentiate incomplete dominance and codominance.

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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Describe dominant epistasis with an example.

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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Bring out the inheritance of the chloroplast gene with an example.

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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Extra nuclear inheritance is a consequence of the presence of genes in

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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What is meant by cytoplasmic inheritance?

[1.02] Classical Genetics
Chapter: [1.02] Classical Genetics
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