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Olympiad (Class 4) Food and Digestion — practice questions

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 1–30 of 59.

Which teeth do you use to bite off a piece of an apple?Read the answer and worked solution →Which teeth do the job of tearing food into pieces?Read the answer and worked solution →Which teeth are best for chewing and grinding roti?Read the answer and worked solution →What is the hardest part of the human body?Read the answer and worked solution →What does saliva do to the food in your mouth?Read the answer and worked solution →Rice and roti are full of starch. Where in the body does starch digestion begin?Read the answer and worked solution →What do we call the soft ball of chewed food that is ready to be swallowed?Read the answer and worked solution →What is another name for the food pipe?Read the answer and worked solution →About how long is the food pipe of an adult on average?Read the answer and worked solution →When you swallow, a small flap folds down. What is its job?Read the answer and worked solution →Food moves down the food pipe by waves of squeezing muscles. What are these waves called?Read the answer and worked solution →Which letter does the stomach look like in shape?Read the answer and worked solution →A newborn baby has a very small stomach. How much can it hold?Read the answer and worked solution →The stomach makes a strong juice that helps break down food. What is this juice called?Read the answer and worked solution →Stomach juice is strong. What coats the stomach wall to protect it?Read the answer and worked solution →Pepsin is made in the stomach. Which kind of food does it start to digest?Read the answer and worked solution →What is the thick, half-liquid food mix made in the stomach called?Read the answer and worked solution →In which part of the body does most digestion of food take place?Read the answer and worked solution →Why is the small intestine called small when it is the longest part of the food tube?Read the answer and worked solution →Which part of the body takes water back from leftover food?Read the answer and worked solution →Through which opening does the solid waste of digestion leave the body?Read the answer and worked solution →The food tube from mouth to anus is about how long in a person?Read the answer and worked solution →Which organ makes bile to help digest fatty foods?Read the answer and worked solution →Where is bile stored until food arrives in the small intestine?Read the answer and worked solution →Ghee and oil are fats. Which juice helps the body break up fats?Read the answer and worked solution →There are three pairs of main salivary glands. How many main salivary glands is that in all?Read the answer and worked solution →Where are most of the taste buds found?Read the answer and worked solution →Rotten milk tastes bad. How does our sense of taste help us?Read the answer and worked solution →Your body starts getting ready for a meal even before the first bite. What can start this?Read the answer and worked solution →The process of digestion has how many stages?Read the answer and worked solution →

Worked practice questions

Which teeth do you use to bite off a piece of an apple?

  1. Molars
  2. Premolars
  3. Wisdom teeth
  4. Incisors
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Correct answer: D. Incisors

Incisors are the sharp front teeth made for cutting and biting off pieces of food.

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Which teeth do the job of tearing food into pieces?

  1. Incisors
  2. Molars
  3. Premolars
  4. Canines
Show answer and solution

Correct answer: D. Canines

Canines are the pointed teeth next to the incisors, and they tear food.

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Which teeth are best for chewing and grinding roti?

  1. Incisors
  2. Canines
  3. Molars
  4. Gums
Show answer and solution

Correct answer: C. Molars

Molars are wide and flat at the back of the mouth, so they grind food well.

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