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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

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Please select a subject first

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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
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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