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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Biology

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Biology
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Global warming is caused by the 'greenhouse effect'. Justify.

[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
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Write a note on multiple alleles considering examples of human blood groups.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Write a short note on ‘lac culture’.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Explain incomplete dominance with suitable example.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Define 'Greenhouse effect'.

[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
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Which one of the following is a true pleiotropic gene?

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Give the applications of gibberellins. 

[7] Plant Growth and Mineral Nutrition
Chapter: [7] Plant Growth and Mineral Nutrition
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What is vegatative reproduction? Describe any 'three' natural methods of vegetative reproduction with examples?

[1] Reproduction in Lower and Higher Plants
Chapter: [1] Reproduction in Lower and Higher Plants
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What measure would you take to prevent waterborne diseases?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Short Answer Question.

Write a note on pleiotropy.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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What is shellac?

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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The greenhouse effect is boon or bane? Give your opinion.

[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
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The three principles of Mendelism are

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Define inheritance.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Which genes show straight inheritance?

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Write an account of the chromosomal theory of inheritance.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Explain the inheritance pattern of colour blindness with a suitable chart.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Write a note on bleeder’s disease and its inheritance with a suitable chart.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Define inheritance. Give statements for various laws of inheritance.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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Explain intragenic and intergenic interaction with the help of example.

[3] Inheritance and Variation
Chapter: [3] Inheritance and Variation
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