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WorksheetsKS3 Organisms
Total questions: 20
Worksheet time: 10mins
What is the function of carbohydrates?
Growth and repair
Primary energy source
Pushes food through the digestive system
Maintain good health
What is the correct definition of malnutrition?
Being underweight
Being overweight
Being obese
An unbalanced diet lacking in a specific nutrient
What is the function of fat?
Growth and repair
Primary source of energy
Insulation and energy store
Push food through the digestive system
Where is water absorbed in the digestive system?
Large intestine
Small intestine
Pancreas
Stomach
What is the function of the liver?
To break down sugar
To store fat
To produce bile
To detoxify the blood
Where does gas exchange occur in the lungs?
Trachea
Bronchi
Alveoli
Bronchioles
Which gas is transferred from the blood into the alveoli?
Oxygen
Carbon-dioxide
Nitrogen
Chlorine
How does exercise affect the body?
Increases the heart-rate
Decrease the heart-rate
Increases respiratory rate
Decreases respiratory rate
What is the function of protein in the diet?
Growth and repair
Energy store
Insulation
Helps digestion
What could eating too much fact lead to?
Obesity
High blood pressure
Diabetes
Low blood pressure
What does inhalation mean?
Breathing in
Breathing out
What does exhalation?
Breathing in
Breathing out
Which enzyme breaks down fat?
Lipase
Protease
Amylase
Which enzyme breaks down carbohydrates?
Lipase
Protease
Amylase
Which enzyme breaks down protein?
Lipase
Protease
Amylase
What is the function of an enzyme?
To break things down
To speed up the rate of a reaction
To be a protein
To make sugar
What will happen to an enzyme if the temperature is too high?
It will denature
It will die
It will speed up
It will slow down
Which organ in the body produces acid?
Liver
Spleen
Pancreas
Stomach
Name the process by which energy is released
Digestion
Breathing
Respiration
Photosynthesis
What is the smallest unit of life?
Tissue
Cell
Organ
Organ system
