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Olympiad (Class 4) Our body and health — practice questions — page 2

Explore 49 free Our body and health questions in Olympiad (Class 4) General Knowledge. Open each question or exercise to read its content, reference answers and available explanation.

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Our body and health questions and exercises with answers

Showing questions 31–49 of 49.

Which two things are part of the skin covering of the body?Read the answer and worked solution →On a hot day Arun gets wet with sweat. Which part of the skin makes sweat?Read the answer and worked solution →Blood works like a delivery van inside the body. What does it carry to every part?Read the answer and worked solution →A swallowed bite of food travels from the mouth through which tube to the stomach?Read the answer and worked solution →Where is solid waste kept until it leaves the body through the anus?Read the answer and worked solution →Which two organs help the digestive system and sit near the stomach?Read the answer and worked solution →Doctors say to eat at least 400 grams of fruits and vegetables a day. What is the least for 2 days?Read the answer and worked solution →Why should the salt we use at home be iodized?Read the answer and worked solution →Which drink is the best choice for a healthy diet?Read the answer and worked solution →Why must we get vitamins from the food we eat?Read the answer and worked solution →A balanced diet gives energy from protein, fats and carbohydrates. How many main sources is that?Read the answer and worked solution →Which food is a good plant source of protein?Read the answer and worked solution →Which kind of foods should we eat only in small amounts?Read the answer and worked solution →Besides eating well, what else helps keep a healthy body weight?Read the answer and worked solution →Which of these foods gives healthy fats?Read the answer and worked solution →A rule says use less than 5 grams of salt a day. What is the most for 3 days?Read the answer and worked solution →Which advice fits a healthy diet best?Read the answer and worked solution →A healthy diet has food energy, protein, vitamins and fibre. Which liquid must it also include?Read the answer and worked solution →Eating fruits and vegetables of many colours is good because it gives what?Read the answer and worked solution →

Worked practice questions

Which two things are part of the skin covering of the body?

  1. Teeth and tongue
  2. Hair and nails
  3. Heart and lungs
  4. Ribs and spine
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Correct answer: B. Hair and nails

Hair and nails belong to the covering of the body along with the skin.

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On a hot day Arun gets wet with sweat. Which part of the skin makes sweat?

  1. Nail tips
  2. Sweat glands
  3. Tooth roots
  4. Ear bones
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Correct answer: B. Sweat glands

Sweat glands in the skin make sweat.

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Blood works like a delivery van inside the body. What does it carry to every part?

  1. Oxygen, nutrients
  2. Toys and books
  3. Light and sound
  4. Dust and smoke
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Correct answer: A. Oxygen, nutrients

Blood carries oxygen and nutrients to every part and also takes away waste.

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