Food, Health, and Digestion
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Nutrients and a Balanced Diet
SubtopicNutrients and a Balanced Diet under Food, Health, and Digestion for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Which of these is a source of Vitamin A that is good for our eyes?
A.Carrot
B.Rice
C.Salt
D.Sugar
- 2.
Why is roughage important in our diet?
A.It gives us a lot of energy
B.It helps to build muscles
C.It helps in moving waste out of our body
D.It makes our bones strong
- 3.
Cooking makes food ________ and easier to digest.
A.Harder
B.Colder
C.Softer
D.Rawer
- 4.
Which of the following is a symptom of dehydration?
A.Feeling very energetic
B.Feeling thirsty and tired
C.Strong muscles
D.Good eyesight
- 5.
What is the specific role of the 'Large Intestine' in the process of digestion?
A.To break down proteins into amino acids
B.To absorb water from the undigested food
C.To produce saliva to soften food
D.To churn food with acid
- 6.
In the human digestive system, where does the absorption of most of the nutrients into the blood take place?
A.Mouth
B.Stomach
C.Small Intestine
D.Large Intestine
- 7.
Apart from nutrients, why is it important to drink 8 to 10 glasses of water every day?
A.To make the blood thicker
B.To help the body get rid of waste
C.To increase the body's weight
D.To replace the need for carbohydrates
- 8.
If you look at a food pyramid, why are 'Fats and Sweets' placed at the very top (smallest section)?
A.Because they should be eaten in the smallest quantities
B.Because they are the most important for survival
C.Because they are the hardest food items to find
D.Because they help us grow taller than other foods
- 9.
Why is 'Sugar' often called a 'Simple Carbohydrate' while 'Wheat' is called a 'Complex Carbohydrate'?
A.Sugar gives energy almost instantly, while wheat takes time to digest
B.Sugar is made of proteins, while wheat is made of fats
C.Sugar is found in plants, but wheat is made in factories
D.Wheat provides no energy compared to sugar
- 10.
Which of the following is a common symptom of a diet that is excessively high in Fats and Sugars but low in physical activity?
A.Obesity and increased risk of lifestyle diseases
B.Extremely strong muscles and bones
C.Improved immunity against all viruses
D.A decrease in the body's need for water
Download the worksheet for Food, Health, and Digestion - Nutrients and a Balanced Diet to practice offline. It includes additional chapter-level practice questions.
The Human Digestive System
SubtopicThe Human Digestive System under Food, Health, and Digestion for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Keeping food in a refrigerator helps to keep it ________.
A.Hot
B.Fresh and germ-free
C.Dry
D.Spicy
- 2.
Our body needs food to ________.
A.Grow
B.Get energy
C.Stay healthy
D.All of these
- 3.
Which of these is a body-building food?
A.Sugar
B.Oil
C.Egg
D.Rice
- 4.
Fruits and vegetables protect us from falling ________.
A.Down
B.Sick
C.Asleep
D.Happy
- 5.
The diagram below shows the structural layers of a human tooth from the outermost part to the innermost part. Which layer is represented by the label 'X'?
A.Gum
B.Dentine
C.Root
D.Crown
- 6.
Which of the following activities helps in maintaining a healthy digestive system?
A.Sleeping immediately after lunch
B.Regular physical exercise
C.Drinking very little water
D.Eating at different times every day
- 7.
What happens if we overcook our food?
A.It becomes more nutritious
B.It loses its vital nutrients
C.It becomes harder to digest
D.It gains more roughage
- 8.
How do the cells in your toe get the energy from the sandwich you ate for lunch?
A.The sandwich pieces travel directly to the toe through the nerves
B.The digestive system breaks down the sandwich, and the blood carries the nutrients to the toe
C.The stomach pumps the food to the toe through the bones
D.The toe absorbs nutrients from the air
- 9.
If you eat a meal consisting mainly of carbohydrates (like rice), where does its chemical digestion first begin?
A.In the stomach
B.In the mouth
C.In the small intestine
D.In the large intestine
- 10.
What is the function of the Rectum?
A.To absorb vitamins into the blood
B.To store feces before they are removed from the body
C.To produce bile for the small intestine
D.To grind food into smaller pieces
Download the worksheet for Food, Health, and Digestion - The Human Digestive System to practice offline. It includes additional chapter-level practice questions.
Methods of Food Preservation
SubtopicMethods of Food Preservation under Food, Health, and Digestion for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Which of these is used to preserve dried fruits like almonds and cashews?
A.Keeping them in a wet cloth
B.Keeping them in airtight packets or jars
C.Keeping them in hot water
D.Keeping them in an open bowl of milk
- 2.
When we preserve vegetables by keeping them in very salty water, it is called ______.
A.Sweetening
B.Brining
C.Boiling
D.Heating
- 3.
Which preservation method uses both salt and oil together?
A.Jam making
B.Making mango pickle
C.Boiling water
D.Freezing peas
- 4.
What is the main purpose of putting food in a 'cold storage' warehouse?
A.To cook the food slowly
B.To preserve it on a large scale
C.To make it spicy
D.To dry it out
- 5.
What is the primary goal of any food preservation method?
A.To make food look more colorful
B.To prevent or slow down the growth of microorganisms
C.To increase the cost of food
D.To change the shape of the food
- 6.
Which of these is a way to preserve excess seasonal tomatoes at home?
A.Making tomato puree or sauce
B.Leaving them on the dining table
C.Putting them in a bowl of water
D.Cutting them into pieces and leaving them open
- 7.
In the CBSE science lab, if you want to show how germs grow on food, which condition would you provide to a slice of bread?
A.Dry and very cold
B.Moist and warm
C.Dry and very hot
D.Vacuum-sealed
- 8.
If a preservation method involves removing air and moisture and sealing the food, which method is being described?
A.Refrigeration
B.Canning
C.Open Drying
D.Boiling
- 9.
Why are some vegetables like peas and corn 'Parboiled' (partially boiled) before they are frozen in factories?
A.To make them look bigger.
B.To deactivate enzymes that cause spoilage even in the freezer.
C.To add extra water so they weigh more.
D.To make them sweet.
- 10.
Which of the following is a disadvantage of using too much salt or sugar as a preservative?
A.It makes the food last too long.
B.It can be unhealthy if consumed in large quantities regularly.
C.It makes the food look very old.
D.It makes the food difficult to store in jars.
Download the worksheet for Food, Health, and Digestion - Methods of Food Preservation to practice offline. It includes additional chapter-level practice questions.