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HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Biology

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Biology
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Objection to Darwin's theory of natural selection.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Genotype of human blood group ‘O’ will be ______.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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What is the role of decomposers in an ecosystem?

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
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Give the central dogma of protein synthesis.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Explain the process of translation.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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All organisms produce more young ones. Comment

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Answer the following question in ‘One’ sentence only:

Enlist the histones which form an octamer of nucleosome.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Answer each question in ‘One’ sentence only: 

Identify which one of the following is a test cross. 

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Attempt any TWO of the following:

Define the terms ‘codon’ and ‘anticodon’. 

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Sketch and label the ‘clover leaf model’ of t-RNA.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Write a note on desert adaptations. 

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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Wheat variety 'Atlas 66' is improved for ______.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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An antibody is ___________.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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What is the Rh factor?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Differentiate between antigen and antibody.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Write a note on antigens on blood cells.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Write a note on the antigens-antibody complex.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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What are the various public health measures, which you would suggest as safeguard against infectious diseases?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Describe the structure of an antibody.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
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Multiple Choice Question:

Translation occurs in the _______.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
Concept: undefined >> undefined
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