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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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Define the term codon.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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What is degeneracy of genetic code?

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Enlist the characteristics of genetic code.

[4] Molecular Basis of Inheritance
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Short Answer Question:

In the figure below A, B and C are three types of ______.

[4] Molecular Basis of Inheritance
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Short Answer Question:

Identify the labeled structures on the following diagram of translation.

  • Part A is the _______
  • Part B is the _______
  • Part C is the _______
[4] Molecular Basis of Inheritance
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Describe the process of transcription in protein synthesis.

[4] Molecular Basis of Inheritance
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Long Answer Question:

Describe the process of translation in protein synthesis.

[4] Molecular Basis of Inheritance
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Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The DNA molecule is double-stranded and the RNA molecule is single-stranded.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The process of translation occurs at the ribosome.

[4] Molecular Basis of Inheritance
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Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

The job of mRNA is to pick up amino acids and transport them to the ribosomes.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Long Answer Question:

Justify the statement. If the answer is false, change the underlined word(s) to make the statement true

Transcription must occur before translation may occur.

[4] Molecular Basis of Inheritance
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Which mineral acts as a limiting factor for productivity in an aquatic ecosystem.

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
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Name the reservoir and sink of carbon in the carbon cycle.

[14] Ecosystems and Energy Flow
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Describe the carbon cycle and add a note on the impact of human activities on the carbon cycle.

[14] Ecosystems and Energy Flow
Chapter: [14] Ecosystems and Energy Flow
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Multiple choice question.

Abscisic acid controls ______.

[7] Plant Growth and Mineral Nutrition
Chapter: [7] Plant Growth and Mineral Nutrition
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Multiple choice question.

Which is employed for the artificial ripening of banana fruits?

[7] Plant Growth and Mineral Nutrition
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Conversion of nitrates to nitrogen is called ______.

[7] Plant Growth and Mineral Nutrition
Chapter: [7] Plant Growth and Mineral Nutrition
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Multiple choice question.

How many molecules of ATP are required to fix one molecule of nitrogen?

[7] Plant Growth and Mineral Nutrition
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Very Short Answer Question:

Which is the plant stress hormone?

[7] Plant Growth and Mineral Nutrition
Chapter: [7] Plant Growth and Mineral Nutrition
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Very Short Answer Question:

What is role of gibberellin in rosette plants?

[7] Plant Growth and Mineral Nutrition
Chapter: [7] Plant Growth and Mineral Nutrition
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