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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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Biology (Botany and Zoology)
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What are the applications of Karyotyping?

[2.04] Principles of Inheritance and Variation
Chapter: [2.04] Principles of Inheritance and Variation
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The organization which published the red list of species is ____________.

[2.11] Biodiversity and Its Conservation
Chapter: [2.11] Biodiversity and Its Conservation
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Plasmids are

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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Which of the following one is used as a Biosensors?

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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In which techniques Ethidium Bromide is used?

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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Some of the characteristics of Bt cotton are

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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Write the advantages of herbicide-tolerant crops.

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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Write the advantages and disadvantages of Bt cotton.

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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What is bioremediation? give some examples of bioremediation.

[1.04] Principles and Processes of Biotechnology
Chapter: [1.04] Principles and Processes of Biotechnology
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Expand CCS.

[1.08] Environmental Issues
Chapter: [1.08] Environmental Issues
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Assertion: Genetic variation provides the raw material for selection

Reason: Genetic variations are differences in genotypes of individuals.

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Pick out the odd pair.

[1.09] Plant Breeding
Chapter: [1.09] 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
[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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The quickest method of plant breeding is

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Desired improved variety of economically useful crops are raised by

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Dwarfing gene of wheat is

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Progeny obtained as a result of repeat self-pollination a cross-pollinated crop to called

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Jaya and Ratna are the semi dwarf varieties of

[1.09] Plant Breeding
Chapter: [1.09] 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

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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Which of the following is incorrectly paired?

[1.09] Plant Breeding
Chapter: [1.09] Plant Breeding
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