Reproduction: Asexual and Sexual

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Questions and Answers

What is the biological process by which new individual organisms are produced from their parent or parents?

  • Cloning
  • Meiosis
  • Reproduction (correct)
  • Evolution

Which form of reproduction allows an organism to reproduce without the involvement of another organism?

  • Evolution
  • Meiosis
  • Sexual reproduction
  • Cloning (correct)

What is the major puzzle for biologists related to sexual reproduction?

  • The two-fold cost of sexual reproduction (correct)
  • Evolution of asexual reproduction
  • Creation of gametes
  • Cloning of organisms

What are the specialized reproductive cells that typically require sexual interaction to create a fertilized zygote?

<p>Gametes (D)</p> Signup and view all the answers

What is the process by which organisms create genetically similar or identical copies of themselves without the contribution of genetic material from another organism?

<p>Cloning (C)</p> Signup and view all the answers

Which process involves creating a new organism by combining the genetic material of two organisms?

<p>Sexual reproduction (C)</p> Signup and view all the answers

What is the process by which male fertilizes a female of the same species to create a fertilized zygote?

<p>Sexual reproduction (C)</p> Signup and view all the answers

Which organism reproduces entirely by asexual means?

<p>Hydra (B)</p> Signup and view all the answers

What type of cell division marks the start of the process of sexual reproduction?

<p>Meiosis (A)</p> Signup and view all the answers

In which organism is parthenogenesis a natural occurrence?

<p>Water fleas (D)</p> Signup and view all the answers

Which process involves the growth and development of an embryo without fertilization?

<p>Parthenogenesis (B)</p> Signup and view all the answers

Which organism is capable of exchanging genetic information by conjugation?

<p>Bacteria (B)</p> Signup and view all the answers

Which term refers to the creation of offspring without seeds or spores?

<p>Apomixis (C)</p> Signup and view all the answers

In which type of species do the gametes have separable properties?

<p>'Plus' and 'minus' gametes (B)</p> Signup and view all the answers

What is the study of compounds containing carbon–metal bonds?

<p>Organometallic chemistry (B)</p> Signup and view all the answers

Which type of compounds form the basis of all earthly life and constitute the majority of known chemicals?

<p>Hydrocarbons (B)</p> Signup and view all the answers

What does the study of organic reactions include?

<p>Chemical synthesis of natural products, drugs, and polymers (A)</p> Signup and view all the answers

Which element is NOT commonly found in the range of chemicals studied in organic chemistry?

<p>Silicon (D)</p> Signup and view all the answers

What does the study of properties in organic chemistry include?

<p>Evaluation of chemical reactivity (B)</p> Signup and view all the answers

What is the main focus of contemporary research in organic chemistry involving organometallics?

<p>Researching transition metals like zinc, copper, and palladium (A)</p> Signup and view all the answers

What did Friedrich Wöhler's synthesis of urea from inorganic starting materials disprove?

<p>The concept of vitalism (A)</p> Signup and view all the answers

Who independently developed the concept of chemical structure in 1858?

<p>Friedrich August Kekulé and Archibald Scott Couper (D)</p> Signup and view all the answers

What was the accidental discovery made by William Henry Perkin in 1856?

<p>Organic dye now known as Perkin's mauve (A)</p> Signup and view all the answers

What was the belief about compounds obtained from living organisms before the 18th century?

<p>They were endowed with a vital force (B)</p> Signup and view all the answers

What did Michel Chevreul demonstrate through his study of soaps made from various fats and alkalis?

<p>It was possible to make a chemical change in various fats without 'vital force' (A)</p> Signup and view all the answers

Which event is generally accepted as disproving the doctrine of vitalism?

<p>Friedrich Wöhler's synthesis of urea from inorganic starting materials (A)</p> Signup and view all the answers

What was the crucial breakthrough for organic chemistry in 1858?

<p>The concept of chemical structure (A)</p> Signup and view all the answers

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