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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Biology

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Biology
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What is the function of SSBP?

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Define Heterochromatin.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Write full form of

  1. IUCN
  2. NBA
[15] Biodiversity, Conservation and Environmental Issues
Chapter: [15] Biodiversity, Conservation and Environmental Issues
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Draw neat and labelled diagram of Replication Fork.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Describe the process of semiconservative replication of DNA with the help of a neat and labelled diagram.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Transfer of a part of chromosome or set of genes to a non-homologous chromosome is called ________.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Name any three types of premating isolating mechanisms.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Name any three types of postmating isolating mechanisms.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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What is chromosomal aberration? Give any two types of aberrations found in the population.

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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A population has more young individuals compared to the older individuals. What would be the status of the population after some years?

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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Define stenohaline species.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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What is homeostasis?

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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During the replication of DNA, the separated strands are prevented from recoiling by using ______.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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Pick out the appropriate association representing brood parasitism.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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What are the effects of biotechnology with relation to human health?

[12] Biotechnology
Chapter: [12] Biotechnology
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The nucleic acid synthesis takes place in ______.

[4] Molecular Basis of Inheritance
Chapter: [4] Molecular Basis of Inheritance
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The interaction between cattle egret and the buffalo is ______.

[13] Organisms and Populations
Chapter: [13] Organisms and Populations
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Explain how imbibition helps root hairs in adsorption of water.

[6] Plant Water Relation
Chapter: [6] Plant Water Relation
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Draw a suitable diagram of replication of eukaryotic DNA and label any three parts.

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