B7 Full Unit Quiz B7 Full Unit Quiz 4.5 / 5 based on 9 ratings ? BiologyGCSEAll boards Created by: Jade WilsonCreated on: 08-05-12 21:15 What is the name of the process when a plant absorbs nitrates from the soil? Active Transport 1 of 19 Why is Carbon Dioxide called a greenhouse gas? It traps heat radiation and prevents it leaving Earth 2 of 19 The transfer of food energy in an ecosystem can be represented by a food chain and a pyramid of biomass, what is the 3rd method? A pyramid of numbers 3 of 19 Light energy is absorbed by the what in green plants? Chloroplasts 4 of 19 "Temperature, Carbon Dioxide and light intensity can all limit the rate of photosynthesis" what is this called? A limiting factor 5 of 19 Define symbiosis Members of two different species living in close association 6 of 19 Why do tapeworms have suckers, teeth-like structures and a large surface area? To hold onto the inside of the intensine and to line the intestine and absorb food 7 of 19 Why do the parasites keep the host alive? If the host dies, they can no longer live or benefit 8 of 19 Feeling weak, tired, having cramps and joint pains are symtoms or which disorder? Sickle-Cell Anaemia 9 of 19 If a person is a carrier of Sickle-Cell Anaemia, what are they imune to? Malaria 10 of 19 " Fermenters are used to grow antibiotics, enzymes and viruses" why is this statement incorrect? Fermenters are used to grow single-cell proteins instead of viruses 11 of 19 What is the energy currency of all living things? ATP 12 of 19 What is the ABO system? Identifies blood types and enables donors to be matched to recipients 13 of 19 Valves in the heart ensure what? Blood flows in the right direction 14 of 19 Arteries carry blood away from the heart? True 15 of 19 Capillaries carry blood from the organs back to the heart? False 16 of 19 Veins carry blood from the organs back to the heart? True 17 of 19 Tendons join... Muscle to bone 18 of 19 Ligaments join bone to bone? True 19 of 19
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