1) The part of the cell containing DNA a) Nucleus b) Mitochondria c) Ribosomes d) Chloroplasts 2) DNA consists of sections called a) Nuclei b) Genes c) Chromosomes d) Bases 3) DNA is described as a) A single helix b) A double helix c) A single chain d) A double chain 4) This is a) A gene b) A chromosome c) A nucleus d) A cell 5) DNA is a a) Polymer b) Monomer 6) DNA is built from a) Sugars b) Amino acids c) Nucleotides 7) In DNA the bases are a) A,T,C,G b) A,U,G,C c) A,B,C,D d) W,X,Y,Z 8) Who developed the theory of 'natural selection'? a) Charles Darwin b) Karl Linnaeus c) Lamarck 9) Organisms show differences known as a) Similarities b) Variation c) DNA d) Chromosomes 10) Examples of environmental variation a) Scars b) Blood type c) Tattoos d) Eye colour e) Accent f) Tongue rolling 11) Examples of genetic variation a) Scars b) Blood type c) Tattoos d) Eye colour e) Accent f) Tongue rolling 12) Changes in DNA causing variation are a) Chromosomes b) Alleles c) Mutations d) DNA 13) Different versions of genes are called a) Chromosomes b) Alleles c) Mutations d) DNA 14) Sex cells are known as a) Gametes b) Body cells c) Stem cells 15) The theory of natural selection is also known as a) Survival of the fittest b) Survival of the weakest 16) Identify the adaptations of the cactus a) Spikes b) Broad leaves c) Waxy skin d) Woody stems e) Shallow, broad root system f) Deep, narrow root system 17) DNA carries a code to make a) Sugars b) Carbohydrates c) Proteins d) Fats 18) This is called a a) Guessing square b) Punnet square c) Inheritance square d) Genes square

Genetics and evolution Retrieval

Leaderboard

Visual style

Options

Switch template

Continue editing: ?