Revision Set 1 1 What chemical are genes made from? 6 Define the term homeostasis 2 Give two symptoms of Huntingdon’s disease 7 Define the term species 3 Give an example of a plant that produces clones 8 How does carbon get from plants to animals? 4 What produce antibodies? 9 How long ago did life on earth start 5 How can you easily measure your own heart rate? 10 Into which kingdom do these organisms belong? Lion Mushroom Grass
Revision Set 2 1 What type of molecule does each gene code for? 6 Which two systems in the body maintain homeostasis? 2 Give two symptoms of cystic fibrosis 7 Adapted organisms increase chances of ___________ and ____________ 3 Name the two types of stem cells 8 Name the process that removes carbon dioxide from the atmosphere 4 What do antibiotics kill? 9 Give two strong pieces of evidence for evolution 5 Name the 3 of blood vessel 10 Apart from physical features, what else is used to classify an organism?
Revision Set 3 1 sex chromosomes are found in human males? 6 Control systems must have a receptor, a processing centre and a …………… 2 cC Is this person healthy, a carrier for cystic fibrosis or a sufferer of the disease? 7 Give an example of an environmental change that can make a species become extinct 3 What word(s) describes natural human clones 8 Name a process that adds carbon dioxide to the environment 4 Why aren’t vaccines risk free? 9 If a mutation is passed on to offspring, in what type of cell must it have happened in? 5 What disease are you more likely to get if you have high pressure? 10 Define the term sustainable
Revision Set 4 1 What sex chromosome is found in human egg cells? 6 How does the body gain water? 2 Complete the Punnet square. What % of offspring have cystic fibrosis? 7 What do almost all organisms ultimately rely on for their energy? 3 When clones are made artificially, what is transferred into an empty unfertilised egg cell? 8 Draw a simple carbon cycle including carbon in animals, plants and the atmosphere 4 an infection, what type of cells ensure you don’t get the same infection again? 9 Give the missing step in natural selection Variation between More likely to reproduce Produce more offspring 5 type of blood vessel has the thickest walls? 10 Give two things that the term biodiversity could mean
Revision Set 6 1 What word is used to describe different versions of the same gene? 6 Which of the body’s organs play a vital role in maintaining water levels? 2 Is Huntingdon’s disease caused by a recessive or dominant allele? 7 Leaf, sparrow, caterpillar. Draw the food chain 3 Some people believe that, no matter what the circumstances, some decisions are always……. 8 How does nitrogen get from plants and animals to soil 4 Name the molecules on the surface of microbes that are recognised by antibodies 9 These pictures show how horses’ feet have evolved. Number then to show oldest to youngest 5 type of blood vessel contains valves? 10 Why is the rate of extinction of species increasing?
Revision Set 7 1 What word describes an individual with 2 of the same alleles? 6 Give two factors that affect urine concentration 2 H = Huntingdon’s allele H = normal allele Hh What is the phenotype? 7 What % of the energy eaten by the caterpillar is available for the next animal in the food chain? 3 Testing embryos for embryo selection is called ……… 8 Why is nitrogen important in the nitrogen cycle? 4 What do vaccines usually contain? 9 Give a scientific reason for rejecting Darwin’s ideas when they were published. 5 What can be caused by fatty deposits in blood vessels supplying the heart? 10 Give 2 things that should be considered when improving the sustainability of packaging
Revision Set 9 1 Define the term clone 6 Which hormone controls urine concentration? 2 g = recessive allele Give a carrier genotype 7 If are fewer mice, what might happen to the number of insects? 3 Give an implication of testing adults for genetic disorders 8 Give two non-living indicators 4 Name 3 different types of drug trials 9 A caterpillar has 3 varieties of colour, red, brown and green. Which is likely to be selected for after a fire in a forest? 5 pressure measurements are two numbers. Which is when the heart contracts? 10 What term is used to describe how new species are produced?