Biology - paper 1 (organisation) 3.0 / 5 based on 1 rating ? BiologyCells, tissues and organsGCSEAQA Created by: rosierabyCreated on: 12-05-18 14:17 What is health? The state of physical and mental well being 1 of 20 What are risk factors? Factors that lead to an increased rate of disease 2 of 20 What can a poor diet, lack of exercise and smoking lead to? Cardiovascular disease 3 of 20 What can obesity lead to? Type 2 diabetes 4 of 20 What organs are affected by alcohol? Brain and liver 5 of 20 What risk factor can lead to lung cancer and lung disease? Smoking 6 of 20 What can carcinogens, including ionising radiation, lead to? Cancer 7 of 20 What is cancer? Changes in cells that lead to uncontrolled growth and division 8 of 20 What type of tumour is contained in one area and does not spread? Benign 9 of 20 What type of tumour can invade neighbouring tissues and other parts of the body to form secondary tumours? Malignant 10 of 20 Which leaf layer contains the most chloroplasts? Palisade mesophyll 11 of 20 In which leaf cell layer does gaseous exchange occur? Spongy mesophyll 12 of 20 Which plant tissue transports water and dissolves ions? Xylem 13 of 20 Which plant tissue transports dissolved sugars? Phloem 14 of 20 Which plant tissue is found at the growing tips of roots and shoots? Meristem 15 of 20 Which cells are responsible for controlling the opening and closing of stomata? Guard cells 16 of 20 What are the pores on the underside of a leaf called? Stomata 17 of 20 Which four factors affect the rate of transpiration? Temperature, humidity, wind and light intensity 18 of 20 What is transpiration? The evaporation of water through the stomata in a leaf 19 of 20 Which two processes do root hair cells take in water and mineral ions? Osmosis and active transport 20 of 20
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