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Reproduction in Organisms: Chapter 8 Quiz

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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?

The large numbers of organisms belonging to a single species Signup and view all the answers

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

To create new individuals of the same species Signup and view all the answers

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

To ensure the continuity of the species Signup and view all the answers

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

Making copies of DNA Signup and view all the answers

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

The DNA copy would lack organized cellular structure Signup and view all the answers

What is the basis for evolution according to the passage?

Variation in DNA copies during reproduction Signup and view all the answers

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

It ensures survival in changing niches Signup and view all the answers

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

Nucleus Signup and view all the answers

What happens when information in DNA is changed?

Different proteins are made leading to altered body designs Signup and view all the answers

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

Due to the unreliability of bio-chemical reactions Signup and view all the answers

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

The original cell will perish Signup and view all the answers

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

As a result of variations in the DNA copies generated during reproduction Signup and view all the answers

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

To fill well-defined places, or niches, and use their ability to reproduce Signup and view all the answers