Balbharati solutions for Science and Technology Part 2 10th Standard SSC Maharashtra State Board chapter 1 - Heredity and Evolution [Latest edition]

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Chapters

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Chapter 1: Heredity and Evolution

Exercises
Exercises [Pages 10 - 192]

Balbharati solutions for Science and Technology Part 2 10th Standard SSC Maharashtra State Board Chapter 1 Heredity and Evolution Exercises [Pages 10 - 192]

Exercises | Q 1 | Page 10

Complete the following chart :

Exercises | Q 2.1 | Page 10

Read the following statements and justify same in your own words with the help of suitable examples.

Human evolution began approximately 7 crore years ago.

Exercises | Q 2.2 | Page 10

Read the following statements and justify same in your own words with the help of suitable examples.

Geographical and reproductive isolation of organisms gradually leads to speciation.

Exercises | Q 2.3 | Page 10

Read the following statements and justify same in your own words with the help of suitable examples.

Study of fossils is an important aspect of study of evolution.

Exercises | Q 2.4 | Page 10

Read the following statements and justify same in your own words with the help of suitable examples.

There is evidences of fetal science among chordates.

Exercises | Q 3.1 | Page 11

Complete the statement by choosing correct option from below.

The causality behind the sudden changes was understood due to -- -- principle of Hugo de Vries.

  • Gene

  • Mutation

  • Translocation

  • Transcription

  • Gradual  development

  • Appendix 

Exercises | Q 3.2 | Page 11

Complete the statement by choosing correct option from below.

The proof for the fact that protein synthesis occurs through -- --- was given by George Beadle and Edward Tatum.

  • Gene 

  • Mutation 

  • Translocation

  • Transcription 

  •  Gradual development 

  • Appendix

Exercises | Q 3.3 | Page 11

Transfer of information from molecules of DNA to mRNA is called as ______ process.

  • Gene

  • Mutation

  • Translocation

  • Transcription

  • Gradual development

  • Appendix

Exercises | Q 3.4 | Page 11

Complete the statement by choosing correct options from below .

Evolution means -- -- -- --.

  • Gene

  • Mutation

  • Translocation

  • Transcription

  • Gradual development

  • Appendix

Exercises | Q 3.5 | Page 11

Vestigial organ ______ present in human body is proof of evolution.

  • Human hand  

  • Appendix   

  • Ear muscles

  • Tail-bone

  • Gradual development 

  • Mutation

  • Gene

  • Transcription

  •  Translocation

Exercises | Q 4.1 | Page 11

Write short notes based upon the information known to you.

Lamarckism

Exercises | Q 4.2 | Page 11

Write short notes based upon the information known to you.

Darwin’s theory of natural selection

Exercises | Q 4.3 | Page 11

Write short notes based upon the information known to you.

Embryology

Exercises | Q 4.4 | Page 11

Write short notes based upon the information known to you.

Evolution

Exercises | Q 4.5 | Page 11

Write short notes based upon the information known to you.

Connecting link

Exercises | Q 5.1 | Page 11

What is heredity?

Exercises | Q 5.2 | Page 11

Explain the mechanism of hereditary changes.

Exercises | Q 6.1 | Page 11

Define vestigial organs

Exercises | Q 6.2 | Page 11

Write names of some vestigial organs in the human body and write the names of those animals in whom the same organs are functioning.

Exercises | Q 7.1 | Page 11

Answer the following question.

How are the hereditary changes responsible for evolution?

Exercises | Q 7.2 | Page 11

Explain the process of formation of complex proteins.

Exercises | Q 7.3 | Page 11

Explain the theory of evolution and mention the proof supporting it.

Exercises | Q 7.4 | Page 11

Answer the following question.

Explain with suitable examples the importance of anatomical evidence in evolution.

Exercises | Q 7.5 | Page 11

Define fossils. 

Exercises | Q 7.5 | Page 11

Explain importance of fossils as proof of evolution.

Exercises | Q 7.6 | Page 11

Answer the following question.
Write evolutionary history of modern man.

Exercises | Q 33.2 | Page 192

State Mendel's first law of inheritance.

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Chapter 1: Heredity and Evolution

Exercises

Balbharati solutions for Science and Technology Part 2 10th Standard SSC Maharashtra State Board chapter 1 - Heredity and Evolution

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Concepts covered in Science and Technology Part 2 10th Standard SSC Maharashtra State Board chapter 1 Heredity and Evolution are Evolution and Classiffication, Darwin’s Theory of Natural Selection, Lamarck’s Theory of Evolution, Protein Synthesis, Protein synthesis – Translation, Heredity, Protein synthesis - Transcription, Evidences for Biological Evolution, Transcription, Translation and Translocation, Evolution, Theories of Origin of Life, Speciation, Origin and Evolution of Man.

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