WorksheetsDNA and RNA Quiz
Total questions: 20
Worksheet time: 11mins
What is the basic unit of heredity?
Gene
Chromosome
Protein
Cell
Removed
RNA
Wrong Answer - Don't Pick
What is the shape of the DNA molecule?
Single helix
Double helix
Triple helix
Linear strand
Which of the following is a nitrogenous base found in DNA but not in RNA?
Adenine
Thymine
Cytosine
Uracil
What is the role of ribosomes in the cell?
To store genetic information
To synthesize proteins
To replicate DNA
To transport molecules
Which process involves the copying of DNA into RNA?
Translation
Transcription
Replication
Mutation
What is the primary function of DNA in cells?
To provide energy
To store genetic information
To transport proteins
To catalyze reactions
Which of the following best describes a chromosome?
A single strand of RNA
A long DNA molecule with part or all of the genetic material of an organism
A protein that catalyzes reactions
A lipid that forms cell membranes
What is the complementary RNA sequence for the DNA sequence GCTA?
CGAT
CGAU
GCTA
GCUA
Removed
Making reactions happen
Wrong Answer - Don't Pick
Which of the following best describes a gene?
A segment of DNA that codes for a protein
A type of RNA that carries amino acids
A protein that speeds up chemical reactions
A lipid that forms cell membranes
What is the process by which DNA is copied before cell division?
Transcription
Translation
Replication
Mutation
Which of the following is a characteristic of RNA but not DNA?
Contains thymine
Double-stranded
Contains uracil
Stores genetic information
Removed
To synthesize new DNA strands
Wrong Answer - Don't Pick
Which of the following best describes the relationship between DNA and chromosomes?
DNA is a type of chromosome
Chromosomes are made of DNA
DNA and chromosomes are unrelated
Chromosomes are a type of DNA
What is the function of the ribosome in protein synthesis?
To transcribe DNA into RNA
To translate RNA into a protein
To replicate DNA
To transport amino acids
Which of the following is a difference between DNA and RNA?
DNA contains uracil, while RNA contains thymine
DNA is single-stranded, while RNA is double-stranded
DNA is double-stranded, while RNA is single-stranded
DNA contains ribose sugar, while RNA contains deoxyribose sugar
Removed
DNA is transcribed into RNA, which is translated into protein
Wrong Answer - Don't Pick
Some mutations arise from (a) , which are chemical or physical agents in the environment.
Damage to DNA causes:
Cancer
Superheroes
Mutations
