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Olympiad (Class 4) Food and Digestion — practice questions — page 2

Explore 59 free Food and Digestion questions in Olympiad (Class 4) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Food and Digestion questions and exercises with answers

Showing questions 31–59 of 59.

Which part of the food tube comes just before the large intestine?Read the answer and worked solution →Which part of the throat do both air and food go through?Read the answer and worked solution →Which of these is NOT part of the food tube, but still helps digestion?Read the answer and worked solution →Why is it good to chew your food well before swallowing?Read the answer and worked solution →If you chew a piece of roti for a long time, it begins to taste sweet. Why?Read the answer and worked solution →What name is given to the roof of the mouth?Read the answer and worked solution →Besides helping digestion, what does saliva do for the teeth?Read the answer and worked solution →Which nutrients must we get from food because the body cannot make them?Read the answer and worked solution →Which of these is a vitamin-rich food group that everyone should eat daily?Read the answer and worked solution →The WHO says to eat less than 5 grams of salt a day. Which amount is within this limit?Read the answer and worked solution →Which kind of salt is the better choice for our health?Read the answer and worked solution →Which drink is the best choice to have with meals every day?Read the answer and worked solution →Which of these is a plant food that gives us protein?Read the answer and worked solution →Which of these foods is a source of healthy fat?Read the answer and worked solution →Which three nutrients give our body most of its food energy?Read the answer and worked solution →What does eating a diverse diet mean?Read the answer and worked solution →Which foods should be eaten only in small amounts?Read the answer and worked solution →Which of these should a healthy diet have little or none of?Read the answer and worked solution →Fruits and vegetables come in red, green, yellow and orange. What should you do for a healthy plate?Read the answer and worked solution →A grown-up with all permanent teeth can have up to how many teeth?Read the answer and worked solution →A child has 20 baby teeth. A grown-up has 32 permanent teeth. How many more teeth does the grown-up have?Read the answer and worked solution →A cow eats grass all day. Which teeth does it have many of for chewing and grinding?Read the answer and worked solution →Why does a lion have long pointed canine teeth?Read the answer and worked solution →At about what age do a baby's first teeth normally start to appear?Read the answer and worked solution →A rat gnaws all day, yet its front teeth never wear out. Why?Read the answer and worked solution →A shark grows a new set of teeth every two weeks. How many new sets does it grow in six weeks?Read the answer and worked solution →What are the roots of our teeth covered by?Read the answer and worked solution →What causes the gum disease gingivitis?Read the answer and worked solution →A child has 20 baby teeth, split equally between upper and lower jaws. How many are in the lower jaw?Read the answer and worked solution →

Worked practice questions

Which part of the food tube comes just before the large intestine?

  1. The food pipe
  2. The stomach
  3. The mouth
  4. Small intestine
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Correct answer: D. Small intestine

The small intestine is followed by the large intestine.

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Which part of the throat do both air and food go through?

  1. The pharynx
  2. The rectum
  3. The stomach
  4. The gallbladder
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Correct answer: A. The pharynx

The pharynx is behind the mouth and nose, and both air and swallowed food pass through it.

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Which of these is NOT part of the food tube, but still helps digestion?

  1. The stomach
  2. The food pipe
  3. The liver
  4. Small intestine
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Correct answer: C. The liver

The liver sits outside the food tube but makes bile that helps digest fats.

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