Practice Mutation (4.7) - Principles of Inheritance and Variation - CBSE 12 Biology
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Mutation

Practice - Mutation

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Learning

Practice Questions

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Question 1 Easy

What is a mutation?

💡 Hint: Think about how something can change its genetic instructions.

Question 2 Easy

Define a mutagen.

💡 Hint: Consider examples like chemicals or radiation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a point mutation?

A mutation affecting multiple base pairs.
A mutation affecting a single nucleotide.
A mutation that does not change the genotype.

💡 Hint: Think about the smallest unit of DNA that can be modified.

Question 2

True or False: All mutations are harmful to organisms.

True
False

💡 Hint: Consider examples of beneficial mutations in nature.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Suppose a mutation occurs in a gene encoding an enzyme responsible for a metabolic pathway. What would be the potential consequences of this mutation? Discuss two possible outcomes.

💡 Hint: Consider how changes in enzymes can ripple through metabolic pathways.

Challenge 2 Hard

A population of bacteria is exposed to a mutagenic substance. Discuss how mutations might influence the survival and reproduction of this population.

💡 Hint: Think about natural selection acting on a population with new traits.

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