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

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Name the lymphoid organ present in the human pharynx.

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

Name the following:

Human protein produced by rDNA technology to treat cancer.

[12] Biotechnology
Chapter: [12] Biotechnology
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Which of the following prevents collapsing of trachea?

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Sketch and label Human Respiratory system.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Name and give the functions of various parts of the nasal chamber.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Plasmid DNA containing foreign DNA is called______.

[12] Biotechnology
Chapter: [12] Biotechnology
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The right lung is divided into______.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Which of the following divides nasal cavity?

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Differentiate between cyclic and non-cyclic photophosphorylation.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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What is 'tissue culture'?

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Describe the methodology of tissue culture.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Differentiate between Euchromatin and Heterochromatin.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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What is 'photophosphorylation'?

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Describe non-cyclic photophosphorylation with schematic representation. Give its significance.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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The number of adenine molecules in a given DNA segment is 25 and the number of cytosine molecules is 45, the total number of nucleotides in the segment is _______________.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Explain micropropagation and somatic hybridization.

[11] Enhancement of Food Production
Chapter: [11] Enhancement of Food Production
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Distinguish between photosynthesis and aerobic respiration.

[8] Respiration and Circulation
Chapter: [8] Respiration and Circulation
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Describe the structure of a nucleosome.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Describe different steps involved in tissue culture technique

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

In an octamer of the nucleosome, core DNA consists of ______ base pairs.

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