science unit test 1 practice

Which of the following is not a source of carbohydrates?

• Rice
• Potato
• Bread
• Fish

Answer explanation

Fish is primarily a source of protein not carbohydrates.

What is the main function of vitamin C in our diet?

• Building muscles
• Strengthening bones
• Boosting immunity
• Producing energy

Answer explanation

Vitamin C is known for its immune-boosting properties.

Which food group should form the largest portion of our daily diet?

• Fruits and vegetables
• Grains and cereals
• Meat and fish
• Dairy products

Answer explanation

Grains and cereals should form the base of a balanced diet.

What is the purpose of fiber in our diet?

• To provide energy
• To build muscles
• To aid digestion
• To strengthen bones

Answer explanation

Fiber helps in proper digestion and prevents constipation.

Which vitamin is produced by our skin when exposed to sunlight?

• Vitamin A
• Vitamin B
• Vitamin C
• Vitamin D

Answer explanation

Our skin produces vitamin D when exposed to sunlight.

What is the main function of proteins in our body?

• Providing energy
• Building and repairing tissues
• Strengthening bones
• Boosting immunity

Answer explanation

Proteins are essential for growth and repair of body tissues.

Which of these is not a dairy product?

• Milk
• Cheese
• Yogurt
• Apple

Answer explanation

Apple is a fruit not a dairy product.

What is the main source of energy in our food?

• Proteins
• Carbohydrates
• Fats
• Vitamins

Answer explanation

Carbohydrates are the body's primary source of energy.

Which nutrient is essential for healthy bones and teeth?

• Iron
• Calcium
• Vitamin C
• Protein

Answer explanation

Calcium is crucial for strong bones and teeth.

What is the term for eating a variety of foods in the right quantities?

• Overeating
• Undereating
• Balanced diet
• Fasting

Answer explanation

A balanced diet includes various foods in appropriate amounts.