Biology core 1 4.5 / 5 based on 2 ratings ? BiologyGCSEAQA Created by: EmmaCreated on: 04-05-13 19:09 What are hormones? Chemicals secreted by glands 1 of 28 How are hormones transported around the body? Hormones are transported in the bloodstream. 2 of 28 What part of the body secretes FSH? The pituitary gland secretes FSH. 3 of 28 What part of the body secretes oestrogen? The ovaries secrete oestrogen. 4 of 28 What is the function of the hormone LH? LH causes a mature egg to be released 5 of 28 Oral contraceptives likely to contain which hormones? Oestrogen and progesterone 6 of 28 Which hormones may be used in fertility treatment? FSH and LH 7 of 28 A phototropism involves a response to: light 8 of 28 Where is auxin made in a plant? Auxins are made in the growing tip of a shoot or root. 9 of 28 Which side of a shoot contains more auxin? The shaded side of a shoot contains more auxin. 10 of 28 When a root bends in the direction of the force of gravity: When a root bends in the direction of the force of gravity the top side grows more than the bottom side. 11 of 28 What is 'the metabolic rate'? The speed at which chemical reactions take place in our bodies Correct. 12 of 28 What happens to the metabolic rate after exercise? fter exercise the metabolic rate stays high for a while 13 of 28 What is a 'pathogen'? A disease-causing microorganism 14 of 28 one of the main problems with bacteria? They produce toxins 15 of 28 one of the main problems with viruses? They damage the host cell when they reproduce 16 of 28 What is one of the functions of white blood cells? White blood cells ingest and destroy pathogens 17 of 28 function of antibodies? A function of antibodies is to lock on to antigens. 18 of 28 How do antibiotics work? Antibiotics work by stopping bacteria from reproducing. 19 of 28 What can vaccination involve? Vaccination can involve injecting an inactive form of the pathogen to stimulate immunity. 20 of 28 It is important to use antibiotics carefully because: We should be careful not to over-use antibiotics because dangerous strains of resistant bacteria may develop by natural selection 21 of 28 What is the feature of a double blind trial? Doctors and patients don't know if the drug is real in a double blind trial. 22 of 28 What do stimulants do to the body? Improve muscle development 23 of 28 Alcohol is an example of: Alcohol is an example of a depressant. 24 of 28 Heroin and cocaine are both: highly addictive 25 of 28 Why was thalidomide banned? It caused birth defects 26 of 28 The addictive substance in alcoholic drinks is: Ethanol is the addictive substance in alcoholic drinks. 27 of 28 short-term effect that is caused by excessive alcohol intake? Liver damage is a long-term effect caused by excessive alcohol intake. 28 of 28
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