Understanding Mutations in Biology

Understanding Mutations in Biology

12th Grade

15 Qs

quiz-placeholder

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Understanding Mutations in Biology

Understanding Mutations in Biology

Assessment

Quiz

Biology

12th Grade

Easy

Created by

Dr.S.Shantkriti Dept

Used 7+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main types of mutations?

Gene splicing

The main types of mutations are point mutations, insertions, deletions, duplications, inversions, and translocations.

Chromosomal rearrangements

Protein folding errors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define point mutations and give an example.

A deletion of thymine (T) from the DNA sequence.

A substitution of uracil (U) with adenine (A) in the RNA sequence.

An insertion of cytosine (C) between two guanines (G) in the DNA sequence.

A substitution of adenine (A) with guanine (G) in the DNA sequence.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between missense and nonsense mutations?

Missense mutations affect DNA replication, while nonsense mutations affect RNA transcription.

Both missense and nonsense mutations result in the same amino acid sequence.

Missense mutations create a stop codon, while nonsense mutations change one amino acid.

Missense mutations change one amino acid, while nonsense mutations create a stop codon.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are insertions and deletions in the context of mutations?

Insertions are the addition of nucleotides, and deletions are the removal of nucleotides in a DNA sequence.

Insertions are the removal of nucleotides, and deletions are the addition of nucleotides in a DNA sequence.

Insertions and deletions refer to the alteration of protein structures, not DNA sequences.

Insertions involve changing the order of nucleotides, while deletions involve duplicating nucleotides.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

List three common causes of mutations.

Natural selection processes

Genetic inheritance patterns

Cell division errors

Errors in DNA replication, exposure to radiation, chemical mutagens

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do environmental factors contribute to mutations?

Environmental factors have no effect on mutations.

Mutations are solely caused by genetic inheritance.

Environmental factors contribute to mutations by causing DNA damage or errors during replication.

Environmental factors only influence physical traits, not mutations.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do DNA replication errors play in mutations?

DNA replication errors have no effect on mutations.

DNA replication errors can introduce mutations by altering the nucleotide sequence during DNA synthesis.

Mutations are solely caused by environmental factors, not DNA replication errors.

DNA replication errors only occur in RNA synthesis, not DNA.

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