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Tamil Nadu Board of Secondary EducationHSC Science Class 12

HSC Science Class 12 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Botany

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Botany
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Compare the various types of Blotting techniques.

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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The prevention of large scale loss of biological interity

[5] Plant Tissue Culture
Chapter: [5] Plant Tissue Culture
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Give four examples of plants cultivated in commercial agroforestry.

[8] Environmental Issues
Chapter: [8] Environmental Issues
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IUCN red list categories has developed criteria for threatened species. The criteria ‘C’ refers to

[8] Environmental Issues
Chapter: [8] Environmental Issues
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Assertion: Genetic variation provides the raw material for selection

Reason: Genetic variations are differences in genotypes of individuals.

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Pick out the odd pair.

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Match Column I with Column II

Column I Column II
i) William S. Gaud I) Heterosis
ii) Shull II) Mutation breeding
iii) Cotton Mather III) Green revolution
iv) Muller and Stadler IV) Natural hybridization
[9] Plant Breeding
Chapter: [9] Plant Breeding
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The quickest method of plant breeding is

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Desired improved variety of economically useful crops are raised by

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Dwarfing gene of wheat is

[9] Plant Breeding
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Progeny obtained as a result of repeat self-pollination a cross-pollinated crop to called

[9] Plant Breeding
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Jaya and Ratna are the semi dwarf varieties of

[9] Plant Breeding
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A wheat variety, Atlas 66 which has been used as a donor for improving cultivated wheat, which is rich in

[9] Plant Breeding
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Which of the following is incorrectly paired?

[9] Plant Breeding
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What are the different types of hybridization?

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Write a note on heterosis.

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Find out the correctly matched pair.

[10] Economically Useful Plants and Entrepreneurial Botany
Chapter: [10] Economically Useful Plants and Entrepreneurial Botany
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A person got irritation while applying chemical dye. What would be your suggestion for an alternative?

[10] Economically Useful Plants and Entrepreneurial Botany
Chapter: [10] Economically Useful Plants and Entrepreneurial Botany
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Plasmids are

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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Which of the following one is used as a Biosensors?

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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