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GCSE AQA Biology Higher Tier Paper 2h Questions & Answers
Name two types of microorganism that cause decay. (2) - ANSWERSbacteria 
 fungi 
 
Cows' milk is pH 6.6. As milk decays, lipids in the milk are broken down. One of the products of the breakdown of lipids causes the pH of milk to decrease. Name the product that causes the pH to decrease. (1) - ANSWERSfatty acid(s) 
 
A student investigated the effect of temperature on the time taken for different types of milk to decay. 
This is the method used. 
1. Put cows milk in six test tubes 
2. Keep eac...
- Exam (elaborations)
- • 5 pages •
Name two types of microorganism that cause decay. (2) - ANSWERSbacteria 
 fungi 
 
Cows' milk is pH 6.6. As milk decays, lipids in the milk are broken down. One of the products of the breakdown of lipids causes the pH of milk to decrease. Name the product that causes the pH to decrease. (1) - ANSWERSfatty acid(s) 
 
A student investigated the effect of temperature on the time taken for different types of milk to decay. 
This is the method used. 
1. Put cows milk in six test tubes 
2. Keep eac...
GCSE AQA Biology Higher Tier Paper 1 2020 Questions & Answers
Complete the word equation for photosynthesis 
 
_____ + _____ ---> ______ + oxygen 
(2) - ANSWERScarbon dioxide 
water 
glucose 
 
Describe how energy for the photosynthesis is gained by plants. (2) - ANSWERSlight 
(light) is captured / trapped / absorbed by chlorophyll / chloroplasts 
 
What is meant by the term diffusion? (2) - ANSWERSmovement / spreading out of molecules / particles 
from (an area of) high(er) concentration to (an area of) low(er) concentration 
 
Molecules of carbon dio...
- Exam (elaborations)
- • 5 pages •
Complete the word equation for photosynthesis 
 
_____ + _____ ---> ______ + oxygen 
(2) - ANSWERScarbon dioxide 
water 
glucose 
 
Describe how energy for the photosynthesis is gained by plants. (2) - ANSWERSlight 
(light) is captured / trapped / absorbed by chlorophyll / chloroplasts 
 
What is meant by the term diffusion? (2) - ANSWERSmovement / spreading out of molecules / particles 
from (an area of) high(er) concentration to (an area of) low(er) concentration 
 
Molecules of carbon dio...
AQA GCSE Mandarin Questions & Answers
wo de jia you wo mama, wo baba he wo didi. - ANSWERSin my family there are my mother, father and brother 
 
wo you yi ge didi. ta cai chi sui - ANSWERSi have a brother, he is 10 years old 
 
wo you yi zhi gou he liang zhi mao - ANSWERSi have a dog and two cats 
 
wo jue de peng you hen zhong yao. wo men ke yi he oeng you yi qi wan you xi he liao tian. 
 
wo bu gao xing de shi hou, peng you rang wo kai xin - ANSWERSi think friends are very important. we can play games and talk with our friends. W...
- Exam (elaborations)
- • 7 pages •
wo de jia you wo mama, wo baba he wo didi. - ANSWERSin my family there are my mother, father and brother 
 
wo you yi ge didi. ta cai chi sui - ANSWERSi have a brother, he is 10 years old 
 
wo you yi zhi gou he liang zhi mao - ANSWERSi have a dog and two cats 
 
wo jue de peng you hen zhong yao. wo men ke yi he oeng you yi qi wan you xi he liao tian. 
 
wo bu gao xing de shi hou, peng you rang wo kai xin - ANSWERSi think friends are very important. we can play games and talk with our friends. W...
AQA GCSE CHINESE THEME 1 GENERAL CONVERSATION QUESTIONS & ANSWERS
wei shen me shuo peng you hen zhong yao - shang wang you shen me hao chu, you 
shen me haui chu 
 
ni wei shen me shang wang - ni de shou ji neng zuo shen me 
 
he peng you zai yi qi de shi hou, ni yi ban qu na er wan? zuo shen me - ni xi huan ting shen me yang de yin yue 
 
ni gen peng you yi qi chu qu chi fan, hui qu na li - ni xi huan zuo shen me yun dong 
 
ni jue de yun dong zhong yao ma? wei shen me? - guo chun jie de shi hou, zhong guo ren yi ban chi shen me? 
 
ni you shen me ai hao? -
- Exam (elaborations)
- • 1 pages •
wei shen me shuo peng you hen zhong yao - shang wang you shen me hao chu, you 
shen me haui chu 
 
ni wei shen me shang wang - ni de shou ji neng zuo shen me 
 
he peng you zai yi qi de shi hou, ni yi ban qu na er wan? zuo shen me - ni xi huan ting shen me yang de yin yue 
 
ni gen peng you yi qi chu qu chi fan, hui qu na li - ni xi huan zuo shen me yun dong 
 
ni jue de yun dong zhong yao ma? wei shen me? - guo chun jie de shi hou, zhong guo ren yi ban chi shen me? 
 
ni you shen me ai hao? -
Nutrition 207 Exam 1 Questions & Answers
Nutrition - ANSWERSthe science of food; the nutrients and substances they are in; their action, interaction, and balance in relation to health and diseases. The process by which an organism ingests, digests, transports, utilizes, and excretes food substances 
 
Nutrients - ANSWERSsubstances essential for health that the body cannot make o makes in quantities to small to support health 
 
6 classes of essential nutrients - ANSWERSCarbohydrates 
Lipids 
Protein 
Water 
vitamins 
Minerals 
 
Essen...
- Exam (elaborations)
- • 6 pages •
Nutrition - ANSWERSthe science of food; the nutrients and substances they are in; their action, interaction, and balance in relation to health and diseases. The process by which an organism ingests, digests, transports, utilizes, and excretes food substances 
 
Nutrients - ANSWERSsubstances essential for health that the body cannot make o makes in quantities to small to support health 
 
6 classes of essential nutrients - ANSWERSCarbohydrates 
Lipids 
Protein 
Water 
vitamins 
Minerals 
 
Essen...
Nutr 207 Questions & Answers
Hypothalamus function - ANSWERS-part of brain that controls when and how much you eat 
-is acted on by leptin and ghrelin 
 
T or F? Fat changes are gradual - ANSWERST 
- 1lb fat= 3500kcl 
-to lose 1lb fat/week should consume 500kcal less/d 
 
function of leptin - ANSWERSsuppress appetite 
 
4 components of energy expenditure - ANSWERS1. basal metabolism 
2. PA 
3. thermic effect of food 
4. adaptation response to stress 
 
function of ghrelin - ANSWERSstimulates appetite when we are in negative...
- Exam (elaborations)
- • 52 pages •
Hypothalamus function - ANSWERS-part of brain that controls when and how much you eat 
-is acted on by leptin and ghrelin 
 
T or F? Fat changes are gradual - ANSWERST 
- 1lb fat= 3500kcl 
-to lose 1lb fat/week should consume 500kcal less/d 
 
function of leptin - ANSWERSsuppress appetite 
 
4 components of energy expenditure - ANSWERS1. basal metabolism 
2. PA 
3. thermic effect of food 
4. adaptation response to stress 
 
function of ghrelin - ANSWERSstimulates appetite when we are in negative...
Nutrition 207 Final Exam Questions & Answers
Calorie - ANSWERSamount of heat it takes to raise the temperature of 1g of water by 1 degree Celsius. 
Calorie= 1000 calories= kilocalorie= kcal 
 
Carbs 
Proteins 
Fat 
Alcohol - ANSWERSCarbs- 4 kcal/g 
Protein- 4 kcal/g 
Fat- 9 kcal/g 
Alcohol- 7kcal/g 
 
grams to kcal - ANSWERS# grams x # kcal per gram 
 
kcal to grams - ANSWERS#kcal / # kcal per gram 
 
Calculate BMI - ANSWERSKilograms/meters squared OR weight (lbs)inches squared x 703 
 
underweight - ANSWERS< 18.5 
 
healthy weight - A...
- Exam (elaborations)
- • 9 pages •
Calorie - ANSWERSamount of heat it takes to raise the temperature of 1g of water by 1 degree Celsius. 
Calorie= 1000 calories= kilocalorie= kcal 
 
Carbs 
Proteins 
Fat 
Alcohol - ANSWERSCarbs- 4 kcal/g 
Protein- 4 kcal/g 
Fat- 9 kcal/g 
Alcohol- 7kcal/g 
 
grams to kcal - ANSWERS# grams x # kcal per gram 
 
kcal to grams - ANSWERS#kcal / # kcal per gram 
 
Calculate BMI - ANSWERSKilograms/meters squared OR weight (lbs)inches squared x 703 
 
underweight - ANSWERS< 18.5 
 
healthy weight - A...
Nutrition 207 Study Questions Chapter 1 and 2 Questions & Answers
The Dietary Guidelines for Americans recommend that Americans replace solid fat with - ANSWERSoil 
 
The 2010 Dietary Guidelines for Americans do NOT explicitly recommend: - ANSWERSthat we consume less red meat. 
 
The ingredients on the food label are listed in what order? - ANSWERSdescending order by weight 
 
An individual who appreciates that they must make wise choices regarding how much energy-dense food they eat (like ice cream) - and how often they eat it -- typifies the application of w...
- Exam (elaborations)
- • 2 pages •
The Dietary Guidelines for Americans recommend that Americans replace solid fat with - ANSWERSoil 
 
The 2010 Dietary Guidelines for Americans do NOT explicitly recommend: - ANSWERSthat we consume less red meat. 
 
The ingredients on the food label are listed in what order? - ANSWERSdescending order by weight 
 
An individual who appreciates that they must make wise choices regarding how much energy-dense food they eat (like ice cream) - and how often they eat it -- typifies the application of w...
NUTRITION 207 EXAM 1 Questions & Answers
In addition to making food choices for nutrient value, many people also make choices due to: - ANSWERSPersonal preference and emotional comfort 
 
An organic nutrient is a chemical substance which has at least one of the following types of bonds? - ANSWERSA carbon-carbon bond 
 
Which of the following is an example of an inorganic nutrient? - ANSWERSWater 
 
Which of the following chemical abbreviations stands for a mineral we require for health? - ANSWERSCa, Zn, Mg 
 
Often nutrients are used f...
- Exam (elaborations)
- • 4 pages •
In addition to making food choices for nutrient value, many people also make choices due to: - ANSWERSPersonal preference and emotional comfort 
 
An organic nutrient is a chemical substance which has at least one of the following types of bonds? - ANSWERSA carbon-carbon bond 
 
Which of the following is an example of an inorganic nutrient? - ANSWERSWater 
 
Which of the following chemical abbreviations stands for a mineral we require for health? - ANSWERSCa, Zn, Mg 
 
Often nutrients are used f...
Nutrition 207 Exam 3 Questions & Answers
Water - ANSWERSmakes up 50-70% of adults 
in cells 
between cells 
in vessels 
Blood - 80% vol 
Lean Tissue - 73% vol 
Adipose Tissue - 20% vol 
~ 6% of body water replaced daily 
 
Functions of Water - ANSWERS- structural component of all cells 
- basis for most body fluids 
- solvent 
- Control of pH 
- transport medium: 
 Nutrients and blood cells to tissues 
 Waste products from tissues 
- digestion and absorption 
- biochemical reactions 
- Lube for joints and tissues 
- protection and cu...
- Exam (elaborations)
- • 3 pages •
Water - ANSWERSmakes up 50-70% of adults 
in cells 
between cells 
in vessels 
Blood - 80% vol 
Lean Tissue - 73% vol 
Adipose Tissue - 20% vol 
~ 6% of body water replaced daily 
 
Functions of Water - ANSWERS- structural component of all cells 
- basis for most body fluids 
- solvent 
- Control of pH 
- transport medium: 
 Nutrients and blood cells to tissues 
 Waste products from tissues 
- digestion and absorption 
- biochemical reactions 
- Lube for joints and tissues 
- protection and cu...