Reproduction in Organisms: Chapter 8 Quiz
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Questions and Answers

Why do organisms reproduce, based on the passage?

  • To maintain the life of an individual organism
  • To create more individuals of the same species (correct)
  • To reduce the number of organisms in a species
  • To conserve energy for the individual organism

How is the process of reproduction different from essential life processes like nutrition and respiration?

  • Reproduction is not necessary for individual organism's survival (correct)
  • Reproduction requires less energy than nutrition and respiration
  • Reproduction is not linked to the growth of organisms
  • Reproduction is more important than nutrition and respiration

How do we usually determine if two different individual organisms belong to the same species?

  • By their ability to survive in harsh conditions
  • By their ability to create exact copies of themselves
  • By their unique physical characteristics
  • By their similar body designs (correct)

What brings organisms to our notice, according to the passage?

<p>The large numbers of organisms belonging to a single species (C)</p> Signup and view all the answers

Based on the passage, why is it important for an individual organism to reproduce?

<p>To create new individuals of the same species (D)</p> Signup and view all the answers

Why do reproducing organisms create new individuals that look very much like themselves, according to the passage?

<p>To ensure the continuity of the species (A)</p> Signup and view all the answers

What is the basic event in reproduction as mentioned in the passage?

<p>Making copies of DNA (D)</p> Signup and view all the answers

Why is simply pushing one copy of DNA out of the cell not feasible during reproduction?

<p>The DNA copy would lack organized cellular structure (A)</p> Signup and view all the answers

What is the basis for evolution according to the passage?

<p>Variation in DNA copies during reproduction (A)</p> Signup and view all the answers

What is the importance of consistency in DNA copying during reproduction?

<p>It ensures survival in changing niches (C)</p> Signup and view all the answers

Which cellular component contains the information for inheritance of features from parents to next generation?

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

What happens when information in DNA is changed?

<p>Different proteins are made leading to altered body designs (B)</p> Signup and view all the answers

Why is it expected that the process of copying DNA will have some variations each time?

<p>Due to the unreliability of bio-chemical reactions (A)</p> Signup and view all the answers

What will happen if the new DNA copy cannot work with the cellular apparatus it inherits?

<p>The original cell will perish (C)</p> Signup and view all the answers

Why are surviving cells similar but subtly different from each other according to the passage?

<p>As a result of variations in the DNA copies generated during reproduction (D)</p> Signup and view all the answers

What is the role of populations of organisms in an ecosystem according to the passage?

<p>To fill well-defined places, or niches, and use their ability to reproduce (C)</p> Signup and view all the answers

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