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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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What is oxygen dissociation curve?

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

Give function of carbonic anhydrase.

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

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Name the following:

Human protein produced by rDNA technology to treat cancer.

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

Enzyme involved in synthesis of RNA primer.

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

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

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 Anticodon?

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

What is Humification?

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

Give diagrammatic representation to show a perfect pairing and any ‘two’ Wobble pairings.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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

If the codon on m-RNA is AUG, the compatible anticodon on t-RNA is _______.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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

What is 'RNA'?

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

Explain different types of non-genetic RNA with diagrams and functions.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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

Give the principles of Darwin's theory of natural selection.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
Concept: undefined >> undefined
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