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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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Complete the table:

Partial pressure
of gases
Alveolar air Pulmonary
Capillaries
PP02 104 mm Hg ______
PPC02 40 mm Hg ______
[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
Concept: undefined >> undefined

Plasmid DNA containing foreign DNA is called______.

[12] Biotechnology
Chapter: [12] Biotechnology
Concept: undefined >> undefined

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Interpret the given diagrams A and B. Enlist the changes occuring, during inspiration and expiration.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
Concept: undefined >> undefined

What is Humification?

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
Concept: undefined >> undefined

The partially decomposed organic matter is formed by a process called ______.

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
Concept: undefined >> undefined

Distinguish between Cranial nerves and spinal nerves.

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
Concept: undefined >> undefined

Write a short note on adaptations of plants to water scarcity.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
Concept: undefined >> undefined

Write a short note on behavioural adaptations in animals.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
Concept: undefined >> undefined

The genotype of human blood group B is ______.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

Give any 'two' examples of endangered species

[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
Concept: undefined >> undefined

Genotype of human blood group ‘O’ will be ______.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

What is the role of decomposers in an ecosystem?

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
Concept: undefined >> undefined

Write a note on desert adaptations. 

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
Concept: undefined >> undefined

Wheat variety 'Atlas 66' is improved for ______.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
Concept: undefined >> undefined

An antibody is ___________.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

What is the Rh factor?

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

Differentiate between antigen and antibody.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

Write a note on antigens on blood cells.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

Write a note on the antigens-antibody complex.

[10] Human Health and Diseases
Chapter: [10] Human Health and Diseases
Concept: undefined >> undefined

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
Concept: undefined >> undefined
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