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There are 3 levels to complete. To move onto the next level you must answer ALL questions correctly. If you are stuck there will be a help button available that will give you some information about the topic in which you are struggling to answer. Level one consists of: gas exchange in plants Level two consists of: microorganisms Level three consist of: The heart Next

Q1)How do gases move in and out of plants? A) Through pores in the leaves B) Through phloem cells C) Through the root hair cells D) By using the secret password Next

Q2)What is the name used to describe several pores in the leaves of plants? A) Stoma B) Soma C) Sotoma D) Stomata Next

Q3)What is transpiration? A)The evaporation of water from leaves into the air B)A growth movement towards light C)The production of glucose from carbon dioxide and water D)The movement of water from low to high concentration Next

Q4)What is the name of the root structure that increases the ability of roots to absorb water and minerals? A) Root wig cell B)Guard cell C)Capillary D)Root hair cell Next

Q5)How do minerals enter the roots from the soil? A) Diffusion B)Active transport C)Osmosis D)Transpiration Next

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Q1)How are microorganisms grown on a large scale? A) In industrial fermenters B)In incubators C)On agar plates D)In a digester Next

Q2)Why is it important that the temperature and pH of the liquid microorganisms are grown in, are monitored? A)To ensure that the microorganisms are in suspension B)To protect the equipment C)To save electricity D)To provide the optimum conditions for growth Next

Q3)Who discovered penicillin? A)Joseph Lister B)Robert Koch C)Alexander Fleming D)Flory and Chain Next

Q4)What type of drug is penicillin? A)Antiseptic B)Anti-malarial drug C)Painkiller D)Antibiotic Next

Q5)How is ethanol produced? A)Yeast break down animal manure using anaerobic respiration B)Yeast break down plant material using anaerobic respiration C)Yeast break down plant material using aerobic respiration D)Bacteria break down plant material using anaerobic respiration Next

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Q1)Which of the following is not a blood vessel of the heart? A) Aorta B)Vena cava C)Pulmonary artery D)Atrium Next

Q2)Which chamber of the heart receives blood from the pulmonary veins? A) Right atrium B)Left atrium C)Right ventricle D)Left ventricle Next

Q3)Where is the tricuspid valve located? A)Between the left atrium and left ventricle B)Between the right atrium and right ventricle C)Between the left ventricle and aorta D)Between the right ventricle and pulmonary artery Next

Q4)When the ventricles contract, what happens to the blood within them? A)It is pushed through the semilunar valves into blood vessel B)It moves out though the pulmonary vein and vena cavae C)It moves thorough the bicuspid and tricuspid valves into the atria D)It stays within the ventricles Next

Q5)Which blood vessels carry blood into the heart? A)Aorta and pulmonary artery B)Aorta and vena cavae C)Pulmonary artery and pulmonary veins D)Vena cavae and pulmonary veins Next

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