1) Which of the following is not a sign of malnourishment a) Being underweight b) Being overweight c) Scurvy d) Type 1 Diabetes e) Obesity 2) Which is the best definition for metabolic rate? a) the energy a body uses b) the amount of food you need to eat c) the rate at which a cells chemical reactions take placeAl d) the difference between food intake and exercise e) All of the above 3) Who discovered that washing hands prevented deaths in hospitals? a) Charles Darwin b) Lamarck c) Florence Nightingale d) Ignaz Semmelweis e) Auxin Hormona 4) Why don't we get the same disease twice? a) We develop resistance b) Antibodies are produced more rapidly the second time c) Antitoxins remain in the blood d) Our skin forms a more effective barrier e) All of the pathogen was ingested first time 5) By what process do antibiotic resistance strains begin to cause problems in hospitals a) Immunity b) Natural Selection c) Adaptation to the antibiotic d) Medicinal Shortage e) Photosynthesis f) Respiration 6) What does this picture show? a) Ingestion of pathogens b) A game of Pacman c) How a virus invades a cell d) Bacteria multiplying 7) Why are viruses harder to kill than bacteria a) They are too small b) They don't respond to antibiotics c) Handwash cannot kill them d) They are all friendly e) They hide inside cells 8) What is the name given to the gap between two neurones? a) Interneuronal Space b) Pathogen c) Myelin Sheath d) Synapse e) Axon 9) What is not a valid piece of evidence for a diet plan's effectiveness a) Measured weight loss b) Celebrity Endorsement c) Cost d) Health Issues associated with the diet 10) What is the correct order for the neurones in a reflex action a) Sensory, Reflex, Motor b) Relay, Sensory, Motor c) Sensory, Relay, Motor d) Motor, Relay, Sensory e) Stimulus, Receptor, Effector f) Automatic, Fast, Brain 11) Which hormone controls movement towards the light a) Ethene b) Auxin c) Oestrogen d) Progesterone 12) Roots are postively phototropic a) True b) False 13) Why does a plant shoot bend? a) More auxin means more cells b) Auxins cause more elongation in the dark c) Cells are shrunk by light d) Less Auxin means more elongation of cells e) Less auxin means more cells. f) More auxin means more elongation of cells 14) Which hormone matures the eggs a) LH b) Oestrogen c) Progesterone d) FSH e) Testosterone 15) Why does oestrogen work as a contraceptive? a) It makes someone less likely to want sex b) It lowers FSH levels in the body c) It prevents the uterus from breaking down d) destroys any fertilised cells 16) A drug is a substance that.... a) is illegal b) makes us feel good c) is bad for the body d) changes body chemistry e) costs money f) is a medicine that can be abused. 17) Cannabis can cause... a) progression to harder drugs b) no side effects c) psychological problems d) improvement in science exam scores. 18) What 3 things do drug trials aim to test for? a) Toxicity, Taste, Sensitivity b) Efficacy, Toxicity, Dosage c) Placebos, Blindness, Side Effects d) Cost, Efficacy, Dosage e) Labelling, Animal Rights, Dosage 19) What type of organism is used for a clinical trial to establish side effects a) Animals b) Healthy volunteers c) Volunteer Patients d) People who a doctor chooses without telling them e) Criminals f) Aliens in Area 51 20) Which of the following would be useful in a desert environment? a) Thick Fur b) Large amounts of urine c) Large Surface Area to Volume ratio d) Small Ears 21) What is an organism adapted to very high temperatures called? a) Microorganism b) Salient Organism c) Halophobe d) Extremophile e) Bacterium 22) What do Lichens detect levels of? a) Oxygen b) Particles c) Sulfur dioxide d) Carbon Dioxide 23) In a pyramid of biomass... a) the top level is the producer b) the bottom layer is the producer c) The middle layer is the largest d) The order is determined by the size of a single organism e) Shows that energy stays the same at each level. 24) Which of the following is not a reason energy is lost from the pyramid? a) Excretion b) Respiration c) Not all of an organism being d) Growth 25) Which of the following decrease the rate of decay? a) Warmer Temperature b) Drier Air c) More microbes d) More oxygen 26) Which process takes carbon in from atmosphere? a) Decay b) Photosynthesis c) Combustion d) Respiration 27) Which process returns Carbon from living organisms a) Decay b) Photosynthesis c) Combustion d) Respiration 28) Which of the following is not true of Asexual reproduction? a) It is quicker than Sexual b) It produces more variation than sexual c) It involves one parent d) Clones are produced? 29) What is the name given to growing many plants from an explant of an original a) Supergrowth b) Genetic Engineering c) Tissue culture d) Nuclear Transfer e) Embryo Selection 30) Which is not a step in nuclear transfer a) Extract DNA from an adult cell b) Remove DNA from egg cell c) Fuse blank egg with DNA d) Split embryo into multiples e) Insert embryo into a surrogate 31) Natural Selection is best described as a) inheritance of acquired characteristics b) survival of the fittest c) unchanging features d) development of immunity

Biology B1

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