KS3 biology Quiz Questions on "FOOD and DIGESTION" (8A)

A healthy diet needs a balance of many things. Which is a main source of energy? [8a-1]
1. carbohydrates
2. protein
3. water
4. fibre
5. vitamins
6. minerals
A healthy diet needs a balance of many things. Which is needed for growth and tissue repairs? [8a-2]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Which is the nutrient solvent for the chemical reactions of life? [8a-3]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Which is important for the bowel to avoid constipation? [8a-4]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. vitamins
A healthy diet needs a balance of many things. Which is an energy store and organ heat insulator? [8a-5]
1. vitamins
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Which is needed in small amounts for good health? [8a-6]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Which is needed in small amounts for good health? [8a-7]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. vitamins
A healthy diet needs a balance of many things. Bread, potatoes and pasta are ALL good sources of? [8a-8]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. vitamins
A healthy diet needs a balance of many things. Meat, fish and cheese are ALL good sources of? [8a-9]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Drinks are the main sources of? [8a-10]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. vitamins
A healthy diet needs a balance of many things. Vegetables and wholemeal bread are ALL good sources of? [8a-11]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
A healthy diet needs a balance of many things. Butter, olive oil and margarine are ALL good sources of? [8a-12]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Fruit, vegetables and table salt are ALL a good sources of? [8a-13]
1. carbohydrates
2. protein
3. water
4. fibre
5. fats
6. minerals
A healthy diet needs a balance of many things. Fruit and vegetables are ALL good sources of? [8a-14]
1. carbohydrates
2. protein
3. water
4. fats
5. vitamins
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following dietary needs is mainly obtained from milk and cheese? [8a-15]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following dietary needs is mainly obtained from liver and green vegetables? [8a-16]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following dietary needs is mainly obtained from vegetables and fruit, but not meat? [8a-17]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following dietary needs is mainly obtained from table salt? [8a-18]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following dietary needs is mainly obtained from toothpaste? [8a-19]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following part of our diet is needed for bone and teeth structure? [8a-20]
1. calcium
2. iron
3. vitamin C
4. sodium
5. potassium
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following part of our diet is needed for haemoglobin in red blood cells? [8a-21]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following part of our diet is needed for healthy tissue like skin? [8a-22]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following part of our diet is needed for nerve function? [8a-23]
1. calcium
2. iron
3. vitamin C
4. sodium
5. fluorine
Small amounts of minerals and vitamins are needed for good health and vitality!
Which of the following part of our diet is needed for hardening teeth enamel? [8a-24]
1. potassium
2. iron
3. vitamin C
4. sodium
5. fluorine
Which describes what happens in the mouth? [8a-25]
1. food mechanically broken into small pieces, enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
Which describes what happens in the stomach? [8a-26]
1. food mechanically broken into small pieces, enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
Which describes what happens in the small intestine? [8a-27]
1. food mechanically broken into small pieces, enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
Which describes what happens in the large intestine? [8a-28]
1. food mechanically broken into small pieces, enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
Which of the following are large molecules broken down to small molecules by the enzymes in saliva? [8a-29]
1. carbohydrates
2. protein
3. water
4. fibre
5. vitamins
Which of the following are large molecules broken down to small molecules by the enzymes and acid in the stomach? [8a-30]
1. minerals
2. protein
3. water
4. fibre
5. vitamins
Which of the following is the most abundant sort of molecule in the body? [8a-31]
1. carbohydrates
2. protein
3. water
4. fibre
5. fat
Which of the following is NOT digested and NOT absorbed by the small intestine? [8a-32]
1. carbohydrates
2. protein
3. water
4. fibre
5. minerals
Which of the following are small molecules or ions directly absorbed by the small intestine without digestion? [8a-33]
1. fibre
2. protein
3. fat
4. minerals
Which of the following are small molecules directly absorbed by the small intestine without digestion? [8a-34]
1. vitamins
2. fat
3. protein
4. fibre
Which of the following are large molecules broken down by alkali and enzymes to small molecules in the small intestine? [8a-35]
1. vitamins
2. fat
3. minerals
4. fibre
Which of the following are small molecules directly absorbed by the small intestine without digestion? [8a-36]
1. protein
2. fat
3. sugar
4. fibre
5. starch
Which of the following will a marathon runner most likely eat more of, over the few days before a race? [8a-37]
1. carbohydrates
2. protein
3. minerals
4. fibre
Which of the following will a weight lifter most likely eat more of than usual in a training period? [8a-38]
1. fats
2. protein
3. minerals
4. fibre
Which of the following if eaten too much causes a person to become too fat? [8a-39]
1. vitamins
2. protein
3. carbohydrates
4. fibre
Which of the following helps to reduce colon cancer? [8a-40]
1. carbohydrates
2. protein
3. sugars
4. fibre
Which of the following is NOT true about diet and digestion? [8a-41]
1. excess carbohydrate may be converted into protein
2. amino acids from protein cannot be stored in the body and the excess is excreted as urea
3. a constant supply of glucose circulates in the blood
4. food molecules are absorbed into the blood stream through membranes in the small intestine
Which of the following is NOT true about diet and digestion? [8a-42]
1. excess carbohydrate may be converted into fat
2. amino acids from protein can be stored in the body and used when required for growth and repair
3. a constant supply of glucose circulates in the blood
4. food molecules are absorbed into the blood stream through membranes in the small intestine
Which of the following is NOT true about diet and digestion? [8a-43]
1. excess carbohydrate may be converted into fat
2. amino acids from protein cannot be stored in the body and the excess is excreted as urea
3. glucose is stored in the body and released into the blood stream when needed
4. food molecules are absorbed into the blood stream through membranes in the small intestine
Which of the following is NOT true about diet and digestion? [8a-44]
1. excess carbohydrate may be converted into fat
2. amino acids from protein cannot be stored in the body and the excess is excreted as urea
3. a constant supply of glucose circulates in the blood
4. food molecules are absorbed into the blood stream through membranes in the stomach
Which of the following is NOT true about diet and digestion? [8a-45]
1. excess glucose is converted by the liver into water and carbon dioxide
2. eating vegetable oils rather than animal fats can reduce heart disease
3. digestion means breaking down large food molecules into small molecules which can be absorbed into the bloodstream
4. sugars, vitamins and minerals are small enough molecules to be absorbed directly into the bloodstream
5. protein, carbohydrates and fat molecules are too large to be directly absorbed into the bloodstream
Which of the following is NOT true about diet and digestion? [8a-46]
1. excess glucose is converted by the liver into glycogen which acts as a store of energy
2. eating animal fats rather than vegetable oils can reduce heart disease
3. digestion means breaking down large food molecules into small molecules which can be absorbed into the bloodstream
4. sugars, vitamins and minerals are small enough molecules to be absorbed directly into the bloodstream
5. protein, carbohydrates and fat molecules are too large to be directly absorbed into the bloodstream
Which of the following is NOT true about diet and digestion? [8a-47]
1. excess glucose is converted by the liver into glycogen which acts as a store of energy
2. eating vegetable oils rather than animal fats can reduce heart disease
3. digestion means combining small food molecules into larger molecules which can be used for growth and tissue repair
4. sugars, vitamins and minerals are small enough molecules to be absorbed directly into the bloodstream
5. protein, carbohydrates and fat molecules are too large to be directly absorbed into the bloodstream
Which of the following is NOT true about diet and digestion? [8a-48]
1. excess glucose is converted by the liver into glycogen which acts as a store of energy
2. eating vegetable oils rather than animal fats can reduce heart disease
3. digestion means breaking down large food molecules into small molecules which can be absorbed into the bloodstream
4. sugars, vitamins and mineral molecules are too large to be absorbed directly into the bloodstream
5. protein, carbohydrates and fat are large molecules
Which of the following is NOT true about diet and digestion? [8a-49]
1. excess glucose is converted by the liver into glycogen which acts as a store of energy
2. eating vegetable oils rather than animal fats can reduce heart disease
3. digestion means breaking down large food molecules into small molecules which can be absorbed into the bloodstream
4. sugars, vitamins and minerals are small enough molecules to be absorbed directly into the bloodstream
5. protein, carbohydrates and fat can be slowly absorbed into the bloodstream without being broken down into smaller molecules
Which part of the digestive system is the mouth? [8a-50]
1. part T
2. part U
3. part W
4. part X
5. part Y
Which part of the digestive system is the gullet? [8a-51]
1. part T
2. part U
3. part W
4. part X
5. part Y
Which part of the digestive system is the stomach? [8a-52]
1. part T
2. part U
3. part W
4. part X
5. part Y
Which part of the digestive system is the small intestine? [8a-53]
1. part T
2. part U
3. part W
4. part X
5. part Y
Which part of the digestive system is the large intestine? [8a-5]
1. part T
2. part U
3. part W
4. part X
5. part Y
What happens in part T of the digestion system? [8a-55]
1. food is mechanically broken into small pieces and enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
What happens in part W of the digestion system? [8a-56]
1. food is mechanically broken into small pieces and enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
What happens in part X of the digestion system? [8a-57]
1. food is mechanically broken into small pieces and enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces
What happens in part Y of the digestion system? [8a-58]
1. food is mechanically broken into small pieces and enzymes from saliva added
2. food mixed with gastric juices, hydrochloric acid kills most harmful bacteria, creates pH to break down protein
3. alkali neutralises acid and helps break down fats, small food molecules absorbed into bloodstream
4. excess water absorbed into bloodstream, undigested waste converted to faeces

KS3 science biology Quiz Questions on "FOOD and DIGESTION" (8A)

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