Lesson 4.6.1.3
4.6.1.3 DNA and the genome Quiz: AQA Combined Science, Unit 6
20 questions
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Lesson 4.6.1.3, DNA and the genome: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 6: Inheritance, variation and evolution, written with Revision Ninja.
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The 20 questions
-
What is the physical structure of a DNA molecule?
- Globular sphere
- Single strand
- Triple circle
- Double helix
-
Where in an animal cell is genetic material primarily contained?
- Ribosomes in cytoplasm
- Chromosomes in nucleus
- Plasmids in vacuole
- Mitochondria in matrix
-
What is a single gene defined as?
- Complete organism genome
- Entire chromosome strand
- Section of DNA
- Single amino acid
-
What does each individual gene directly code for?
- Nucleic acid polymer
- Fatty acid chain
- Specific protein
- Glucose molecule
-
What term describes the entire genetic material of an organism?
- Genome
- Chromosome
- Proteome
- Nucleotide
-
Which major scientific milestone regarding the human genome has been achieved?
- Completely destroyed
- Permanently locked
- Yet to begin
- Fully studied
-
Which application is a medically approved use of studying the human genome?
- Creating artificial organs
- Finding disease genes
- Synthesising synthetic life
- Altering blood groups
-
What historical application is linked to studying human genome variations?
- Predicting weather cycles
- Dating rock strata
- Mapping tectonic plates
- Tracing past migration
-
Identifying a gene linked to a specific illness represents which activity?
- Migration mapping
- Cell division analysis
- Disease gene search
- Enzyme synthesis
-
When scientists compare two animal genomes, what are they comparing?
- Only protein coats
- Cell membrane lipids
- Mitochondrial enzymes
- All genetic material
-
What is the structural hierarchy between chromosomes, genes, and DNA?
- Chromosomes contain genes
- Chromosomes contain DNA
- Genes contain chromosomes
- DNA contains chromosomes
-
Why does every living species possess a distinct genome?
- Identical cell walls
- Shared cytoplasm volume
- Unique genetic material
- Equal ribosome count
-
How are the two strands of a DNA molecule arranged?
- Single straight chain
- Branched matrix
- Circular ring
- Double helix
-
How does understanding the human genome assist with inherited conditions?
- Curing physical injuries
- Informing disorder treatment
- Preventing all infections
- Stopping cell aging
-
What can genetic analysis reveal about ancient human populations?
- Dietary preferences
- Population movements
- Building techniques
- Language development
-
What best describes the contents of an organism's genome?
- Cytoplasmic fluid
- Only nuclear proteins
- Surface carbohydrates
- All its DNA
-
What structural feature makes DNA a polymer?
- Repeating units
- Single strands
- Protein chain
- Double helix
-
How does studying the human genome help future medicine?
- Stopping mutations
- Creating new cells
- Replacing chromosomes
- Targeted treatments
-
Which genetic structure is the largest in scale?
- Gene
- Genome
- Chromosome
- DNA
-
What key ethical issue is raised by human genome research?
- Chromosome loss
- Protein synthesis
- Privacy concerns
- Cell damage
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