Junior Cert Science - Biology

Materials from the soil and air can be converted into food by plants. This food is generally known as
1. glucose
2. fructose
3. maltose
4. sucrose
The range of food that an animal eats is known as its
1. diet
2. digestion
3. function
4. digestive system
Which one of the following is NOT a type of food?
1. Iodine
2. Carbohydrate
3. Vitamin
4. Protein
The main function of carbohydrates is to
1. provide energy
2. make muscles
3. help bones form
4. insulate the body
Fibre is a form of
1. carbohydrate
2. fat
3. protein
4. mineral
Potatoes and rice are good sources of
1. carbohydrates
2. proteins
3. fats
4. minerals
Which of the following food types passes through the digestive system without being used up?
1. Fibre
2. Starch
3. Minerals
4. Vitamins
Which of the following foods is the best source of fibre?
1. Wholegrain bread
2. Pasta
3. Jam
4. Milk
This type of food acts as an energy store and also acts as an insulator.
1. Fat
2. Protein
3. Water
4. Minerals
Whales have a layer underneath their skin called blubber. Blubber mainly consists of
1. fat
2. oil
3. protein
4. carbohydrates
Which one of the following is not a good source of protein?
1. Sweets
2. Lean meat
3. Fish
4. Eggs
Which one of the following is NOT a function of water in the human body?
1. Helps in the formation of bones.
2. Helps remove waste such as urine from the body.
3. Controls the temperature of the body.
4. Helps transport substances around the body.
When iodine is added to starch, what colour is formed?
1. Blue/black
2. Brick red
3. Yellow/green
4. Violet
Which one of the following statements is correct?
1. Benedict's solution changes colour to red in the presence of a reducing sugar.
2. The colour of Benedict's solution is brown.
3. Benedict's solution may be used to test for starch.
4. Benedict's solution works best at room temperature.
Which one of the following chemicals is used in the test for proteins in food?
1. Copper sulfate solution
2. Iodine solution
3. Benedict's solution
4. Milk
Which one of the following types of food contains the most energy?
1. Fats
2. Proteins
3. Carbohydrates
4. Vitamins
The amount of energy in a food is usually measured in:
1. kilojoules
2. kilograms
3. milligrams
4. newtons
The amount of energy required in a balanced diet does NOT depend upon:
1. hair colour
2. age
3. gender/sex
4. lifestyle
With reference to the food pyramid, which of the following types of food should be eaten most often?
1. cereals
2. fruit
3. cheese
4. sweets
Which one of the following statements is INCORRECT?
1. Water is not an essential part of our daily diet.
2. Bread is a good source of starch.
3. Protein is a body-building food.
4. Fish and eggs are good sources of protein.
Which vitamin, present in citrus fruits prevents scurvy?
1. Vitamin A
2. Vitamin B
3. Vitamin A
4. Vitamin D
Anaemia is caused by a lack of which mineral in a person's diet?
1. Iron
2. Calcium
3. Potassium
4. Sodium
Which type of food would help an athlete gain energy before competition?
1. Chocolate
2. Proteins
3. Fried foods
4. Vegetables
Which one of the following foods contains the least amount of fat?
1. Peas
2. Cream
3. Butter
4. Margarine
Brown paper would most likely be used in a test for
1. fat
2. protein
3. carbohydrate
4. minerals
Which one of the following statements is NOT correct?
1. Vitamin D helps form healthy skin.
2. Fat helps retain heat in the body.
3. Iron helps form red blood cells.
4. Glucose supplies the body with energy.
Which of the following is an example of physical digestion?
1. The chewing of food into smaller pieces in the mouth.
2. The breakdown of food by enzymes in the small intestine.
3. The action of hydrochloric acid on food in the stomach.
4. Peristalsis in the oesophagus.
Proteins which speed up chemical reactions in the body are known as
1. enzymes
2. pancreas
3. carbohydrates
4. substrates
The salivary glands are to be found in the
1. mouth
2. large intestine
3. pancreas
4. stomach
Salivary amylase breaks starch down into
1. maltose
2. an enzyme
3. a protein
4. iodine
Name the parts labelled A and B in the diagram of the digestive system shown.
1. A = stomach and B = large intestine
2. A = stomach and B = small intestine
3. A = oesophagus and B = small intestine
4. A = pancreas and B = large intestine
The function of the incisor teeth is
1. to slice or nibble food.
2. to grip and tear food.
3. to grind food.
4. to crush food.
Which type of teeth would you associate with gripping and tearing of food?
1. canines
2. incisors
3. molars
4. premolars
Where in the digestive system does the muscular action called 'peristalsis' take place?
1. the oesophagus
2. the large intestine
3. the mouth
4. the pancreas
Which substance kills bacteria and germs in the stomach?
1. hydrochloric acid
2. amylase
3. starch
4. maltose
In what part of the digestive system does food pass into the bloodstream?
1. the small intestine
2. the large intestine
3. the liver
4. the stomach
Where in the body is bile produced?
1. The liver
2. The kidneys
3. The small intestine
4. The pancreas
What is the function of bile?
1. To help digest fat in the small intestine.
2. To prevent heart-burn.
3. To produce faeces.
4. To prevent constipation.
Which part of the body shown in the diagram is the pancreas?
1. part C
2. part A
3. part B
4. part D
Where in the body is the faeces produced?
1. The large intestine
2. The small intestine
3. The anus
4. The liver
The substance upon which an enzyme acts is known as
1. the substrate
2. the solution
3. a protein
4. the oesophagus
Saliva and starch solution are mixed together in a test-tube. A blue/black colour appears. This mixture is allowed stand for about 15 minutes at 37 degrees Celsius. Which one of the following is most likely to occur?
1. The solution changes colour from blue/black to clear as the starch is converted to maltose.
2. The solution remains blue/black due to the presence of the starch solution.
3. The solution changes colour to violet as the starch is converted to a protein.
4. The solution changes colour to red as the starch is converted to glucose.
Benedict's solution is used to test for
1. glucose
2. sucrose
3. starch
4. proteins
What would be the effect of boiling a digestive enzyme at 100 degrees Celsius for 10 minutes?
1. The enzymes would no longer function as the boiling would kill them.
2. There would be no effect.
3. The action of the enzymes would be speeded up.
4. The action of the enzymes would be slowed down.
Water passes from the digestive system into the bloodstream via
1. the large intestine
2. the small intestine
3. the rectum
4. the stomach
Which of the following is the correct order for the passing of food through the digestive system?
1. mouth, oesophagus, stomach, large intestine.
2. oesophagus, small intestine, stomach, anus.
3. mouth, stomach, small intestine, large intestine.
4. oesophagus, large intestine, stomach, small intestine.
Which of the following is most likely to happen if too much liquid is allowed to pass out of the digestive system?
1. Diarrhoea
2. Constipation
3. Vomiting
4. nothing really happens
For the reaction shown, which of the following is correct?
1. Substrate = starch, enzyme = amylase and product = maltose.
2. Substrate = amylase, enzyme = maltose and product = starch.
3. Substrate = maltose, enzyme = amylase and product = starch.
4. Substrate = starch, enzyme = maltose and product = amylase.
Which one of the following is the tooth shown?
1. molar
2. fang
3. incisor
4. canine
When a few drops of iodine solution were added to a crushed piece of banana, a blue/black colour developed on the banana. The means that
1. there is starch in the banana and bananas are a good source of carbohydrates
2. there is starch in the banana and bananas are a very good source of fat
3. there is no starch in the banana
4. there is starch in the banana and bananas are a good source of vitamins in our diet
Which one of the following food types is NOT a good source of protein?
1. Cheese
2. Meat
3. Fish
4. Fruit juice
Which one of the following foods is a good source of calcium?
1. Cheese
2. Fish
3. Meat
4. Vegetables
Which one of the following is NOT a good source of starch in the human diet?
1. Meat
2. Bread
3. Rice
4. Spaghetti
Starch digestion begins with the addition of salivary amylase to food particles. Where does this occur?
1. In the mouth
2. in the oesophagus
3. in the stomach
4. in the large intestine
Name the part of the digestive system shown in the diagram.
1. large intestine
2. catalysis
3. nutrition
4. digestion
Food is moved through the digestive system by muscular contractions called
1. peristalsis
2. catalysis
3. nutrition
4. digestion
The large intestine absorbs
1. water
2. starch
3. food
4. faeces
Which one of the following, if eaten in excess causes a person to become obese?
1. proteins
2. carbohydrate
3. minerals
4. fibre
Meat, fish and cheese are all very good sources of:
1. vitamins
2. protein
3. fibre
4. fat
Which one of the following types of food is needed for growth and tissue repair?
1. protein
2. carbohydrates
3. water
4. fibre
What happens in the part of the digestive system labelled C in the diagram?
1. hydrochloric acid helps digest food
2. physical digestion of food occurs
3. digested food passes into the bloodstream
4. a green liquid called bile is produced
Where in the digestive system does food go after it leaves the stomach? align="right">
1. The oesophagus
2. The large intestine
3. The small intestine
4. The pancreas
Which one of the following food types would a marathon runner be most likely to eat more of in order to gain energy in the days leading up to the marathon?
1. carbohydrates
2. proteins
3. fats
4. vitamins

Junior Cert Science - Biology - Food

Multiple Choice Quiz