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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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Dwarfing gene of wheat is

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

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

[9] Plant Breeding
Chapter: [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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In which techniques Ethidium Bromide is used?

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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Some of the characteristics of Bt cotton are

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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Write the advantages of herbicide-tolerant crops.

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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Write the advantages and disadvantages of Bt cotton.

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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What is bioremediation? give some examples of bioremediation.

[4] Principles and Processes of Biotechnology
Chapter: [4] Principles and Processes of Biotechnology
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Expand CCS.

[8] Environmental Issues
Chapter: [8] Environmental Issues
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List out the new breeding techniques involved in developing new traits in plant breeding.

[9] Plant Breeding
Chapter: [9] Plant Breeding
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Do you think parthenocarpy and apomixis are different process? Justify?

[1] Asexual and Sexual Reproduction in Plants
Chapter: [1] Asexual and Sexual Reproduction in Plants
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Give a detailed account of parthenocarpy. Add a note on its significance.

[1] Asexual and Sexual Reproduction in Plants
Chapter: [1] Asexual and Sexual Reproduction in Plants
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