year 10 exam revision
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year 10 exam revision - Marcador
year 10 exam revision - Detalles
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183 preguntas
| 🇬🇧 | 🇬🇧 |
| Photosynthesis equation | Carbon dioxide + water -> glucose + oxygen |
| Symbols for carbon dioxide water oxygen glucose | CO2 H2O O2 C6H12O6 |
| Photosynthesis is an _______ reaction in which ____ is _______ from the ______ to the ______ by _____. | Endothermic energy transferred environment chloroplasts light |
| Factors that limit photosynthesis | Temperature, light intensity, carbon dioxide concentration and amount of chlorophyll |
| Light intensity equation | 1/distance *2 |
| The____ of photosynthesis is ______ _________ to the ______ from the ____ ____. | Rate inversely proportional distance light source |
| Limiting factors are important in the economics of ______ the _________ in greenhouses to gain the _______ ____ of _________ while still _________ _____. | Enhancing conditions maximum rate photosynthesis maintaining profit |
| Glucose produced in photosynthesis may be used for C () R O () P S ( , ) | Cellulose production Respiration Oil and fats production Protein production Starch |
| Tests to identify, original colour and colour change starch glucose/sugar proteins | Iodine reagent - yellow/brown - blue/black Benedict's reagent - blue - brick red biuret reagent - blue - violet |
| Aerobic respiration equation | Glucose + oxygen -> carbon dioxide + water |
| Anaerobic respiration equation (plants and yeast) | Glucose -> ethanol + carbon dioxide |
| ______ respiration is an ______ reaction which is _______ ______ in _____ cells. The ____ ______ supplies all the _____ needed for _______ _______ | Cellular exothermic continuously occurring living energy transferred energy living processes |
| Respiration in cells can happen ______ (using oxygen) and _________(without oxygen) | Aerobically anaerobically |
| Organisms need energy for c.r.t.b.l.m m k.w | Chemical reactions to build larger molecules movement keeping warm |
| Anaerobic respiration(muscles) | Glucose -> lactic acid |
| Anaerobic respiration in yeast cells is called _______ and is used in the making of _____ and ______ _______ | Fermentation bread alcoholic drinks |
| During exercise the ___ rate, _______ rate and ____ _____ increase to supply the ______ with more __________ _____ | Heart breathing breath volume muscles oxygenated blood |
| If ______ oxygen is supplied _________ respiration takes place in ______. The incomplete _______ of _______ causes a build up ______ ____ and creates and oxygen ____. long periods can cause muscles to become ________ and to stop ________ efficiently | Insufficient anaerobic muscles oxidation glucose lactic acid debt fatigued contracting |
| Blood flowing through the muscles transports ______ ____ to the _____ where it is converted back into ______ | Lactic acid liver glucose |
| Breaks down into? carbohydrates proteins lipids | Glucose/sugars amino acids fatty acids and glycerol |
| Metabolism is the ___ of all the ______ in a ____ or the ____. | Sum reactions cell body |
| _________ are _____________ such as _______ and _______ that cause _________ _______ in animals and plants | Pathogens microorganisms viruses bacteria infectious diseases |
| Pathogens depend on their host to... | Provide the conditions and nutrients that they need to grow and reproduce. |
| Pathogens frequently produce _______ that damage ________ and make us ____ ___ | Toxins tissues feel ill |
| Pathogens may be ______ ,______,_______ or _______ | Viruses bacteria protists fungi |
| Pathogens are spread by... | Direct contact, water or air |
| ______ and ______ may _________ _______ inside the body | Bacteria viruses reproduce rapidly |
| _______ ____ and _________ inside _____, causing ____ ______ | Viruses live reproduce cells cell damage |
| Measles is a _____ disease showing symptoms of _____ and a ___ ____ ____ | Viral fever red skin rash |
| Measles can be fatal if complications arise so... | Most young children are vaccinated against it |
| Measles is spread by __________ of droplets from _______ and _______ | Inhalation sneezes coughs |
| HIV initially causes a ___-____ illness. Unless __________ __________ with ______________ drugs, the virus _______ the body's ______ _____ | Flu like successfully controlled antiretroviral attacks immune cells |
| HIV is spread by _______ ______ or exchange of ____ _____ such as _____ which occurs when ____ users share _______ | Sexual contact body fluids blood drug needles |
| TMV stands for | Tobacco mosaic virus |
| TMV is a widespread _____ ________ affecting many _______ of ______ including ________. | Plant pathogen species plants tomatoes |
| TMV gives a ________ ______ _______ of _____________ on the ______ which affects the ______ of the _____ due to ____ of ______________ | Distinctive mosaic pattern discolouration leaves growth plant lack photosynthesis |
| Salmonella food poisoning is spread by ________ ________ in food, or on food ________ in __________ __________ | Bacteria ingested prepared unhygienic conditions |
| The symptoms of salmonella are... | Fever, abdominal cramps, vomiting and diarrhoea |
| Gonorrhoea is a ________ ___________ _______ with symptoms of a _____ ______ or _____ ________ from the ______ or _____ and pain when _________ | Sexually transmitted disease thick yellow green discharge vagina penis urinating |
| Gonorrhoea is spread by ______ _______. the spread can be controlled by ________ with __________ or by using ____________ such as a ______ | Sexual contact treatment antibiotics contraception condom |
| Rose black spot is a ______ _______ where ______ or _____ _____ develop on ______. it effects the ______ of the _____ as _____________ is _______ | Fungal disease purple black spots leaves growth plant photosynthesis reduced |
| Rose black spot is spread in the __________ by _____ or ____ and can be treated using __________ and/or ________ and __________ the ________ ______ | Environment water wind fungicides removing destroying affected leaves |
| The malarial ______ has a life cycle that includes the _______ | Protist mosquito |
| The spread of malaria is _________ by __________ mosquitos from _______ and by using _______ _____ to avoid being ______ | Controlled preventing breeding mosquito nets bitten |
| The skin is a defence against pathogens by _______ ______ ____ _____ of the ____. if it is ___ or ______ it __________ begins to ____ ______, often forming a ____ which ________ ________ as the skin acts as a ________ _______ | Covering almost all parts body cut grazed immediately heal itself scab prevents infection physical barrier |
| The nose defends against pathogens by having _______ _____ which act as a ________ _______ to _________. _____ in the nose _______ _____ which _____ _________ before they can _____ the _____. | Internal hairs physical barrier infection cells produce mucus traps pathogens enter lungs |
| The trachea and bronchi defend against pathogens in two ways. The _______ cells line the ______ and have _____ called ____ which are much smaller than those in the nose. these cells ____ their _____ moving ______ and ________ upwards towards the _____ where it is _________ into the _______. The ______ cells ______ the ______ which is a ________ ______ in order to ____ ________ | Ciliated trachea hairs cilia waft hairs mucus pathogens throat swallowed stomach goblet create mucus physical barrier trap pathogens |
| The stomach defends against pathogens by using stomach acid called ________ ____ which does us no harm but is strong enough to ______ any _________ caught in the _____ or _________ in ____ or _____. stomach acid is a ________ ______ against ________ | Hydrochloric acid destroy pathogens mucus consumed food water chemical barrier infection |
| Vaccination involves introducing _____ quantities of ____ or ______ forms of a ________ into the body to stimulate the _____ blood cells to produce __________ | Small dead inactive pathogen white antibodies |
| If the same pathogen re-enters the body the ______ _____ _____ respond quickly to produce the correct _________, preventing _________ | White blood cells antibodies infection |
| Antibiotics such as penicillin are _______ that help to cure _______ _______ by killing _______ ______ inside the body. | Medicines bacterial disease infective bacteria |
| Antibiotics can't... | Kill viral pathogens |
| Painkillers and other medicines are used to treat the _________ of disease but do not ____ _________ | Symptoms kill pathogens |
| Why are new drugs tested and trialed | To check they are safe and effective |
| New drugs are extensively tested for ________, ________ and ____ | Toxicity efficacy dose |
| Ethical issues of monoclonal antibodies create more ____ ______ than expected they are not yet as ______ ____ as everyone hoped when they were first developed | Side effects widely used |
| Plant disease can be detected by _______ ______ (sg) _____ __ ______ (sol) _____ __ _____ (aod) _______ (g) _________ _____ __ ______ (msol) ______________ (d) ___ ________ __ _____ (tpop) | Stunted growth spots on leaves areas of decay growths malformed stems or leaves discolouration the presence of pests |
| Plant examples viral disease = _______ ______ _____ fungal disease = _____ ____ insect = _____ | Tobacco mosaic virus black spot aphids |
| Plants physical defence response to resist invasion of microorganisms ________ ____ ____ (ccw) ______ ____ ________ on leaves (twc) layers of ____ _____ around stems eg. ____ on trees, which fall off (dcw) | Cellulose cell wall tough waxy cuticle dead cells bark |
| Plants chemical defence responses to resist invasion of microorganisms __________ ________ (ac) _______ to _____ __________ (pdh) | Antibacterial chemicals poisons deter herbivores |
| Plants mechanical adaptations to resist invasion of microorganisms _____ and _____ to _____ _______ (thda) _______ which _____ or ____ when _______ (ldct) _______ to trick animals (m) | Thorns hairs deter animals leaves droop curl touched mimicry |
| The respiratory system provides the body with ______ and removes _____ ______ | Oxygen carbon dioxide |
| Cells are the _____ _______ _____ of all ______ ________ | Basic building blocks living organisms |
| A tissue is a ______ __ _____ with a _______ ______ and _______ | Group of cells similar structure function |
| Organs are an aggregation of _______ performing ______ _______ | Tissues specific functions |
| Organs are organised into _____ _______ which work together to form _________ | Organ systems organisms |
| The digestive system is an organ system in which several organs work together to ______ and _____ food | Digest absorb |
| Enzymes ______ specific reactions in living _________ due to the _____ of their ______ ____ | Catalyse organisms shape active site |
| The simplified model of enzyme action is called the | Lock and key theory |
| Amylase is a digestive enzyme secreted by the ______ and _______ _____ and it catalyses the breakdown of _____ into _______ in the _____ and _____ ________ | Pancreas salivary glands starch maltose mouth small intestine |
| Protease enzymes produced in the ______,_______ and _____ ________ break down _______ in our food into _____ _____ | Pancreas stomach small intestine protein amino acids |
| Lipase enzymes are produced in the ______ and ____ ______ and break down _______ into ____ ____ and _______ | Pancreas small intestine lipids fatty acids glycerol |
| Digestive enzymes convert food into _____ ________ that can be _________ into the _________ | Small molecules absorbed bloodstream |
| Carbohydrases break down carbohydrates into _____ ____ Amylase breaks down _____ Proteas breaks down ______ into ______ ______ Lipase breaks down ______ to _____ _____and ______ | Simple sugars starch proteins amino acids lipids fatty acids glycerol |
| Bile is made in the ______ and stored in the ___ _____. it is _______ to _______ _________ acid from the stomach. it also ________ fat to form small droplets which ________ the ______ ____. the _______ conditions and large ______ ____, ______ the rate of fat breakdown by ______ | Liver gall bladder alkaline neutralise hydrochloric emulsifies increases surface area alkaline surface area increase lipase |
| REQUIRED PRACTICAL - affect of pH on the rate of reaction to amylase enzyme. Continuous _______ technique to determine the ____ taken to completely _____ a ______ solution at a _____ of pHs. _______ reagent is to be used to test for _____ every __ seconds. _______ will be ________ by use of a _____ ____ or _______ _______ | Sampling time digest starch range iodine starch 30 temperature controlled water bath electric heater |
| The _________ ______ is the artery carrying blood from the right ventricle of the heart to the lungs for oxygenation. | Pulmonary artery |
| The ________ ____ carries oxygenated blood from the lungs to the left atrium of the heart | Pulmonary vein |
| _______ _______ supply blood to the heart muscle | Coronary arteries |
| It is through the capillaries that ______, _________, and ______ are exchanged between the blood and the tissues. | Oxygen nutrients wastes |
| The natural resting heart rate is controlled by a group of cells located in the ______ ______ that acts as a _________ | Right atrium pacemaker |
| Artificial _________ are _________ devices used to ______ ____________ in the ______ ____ | Pacemakers electrical correct irregularities heart rate |