ONLINE MCQ TESTS FOR SCEINCE NCERT 2026-27
Section 1: Components of Food and Their Functions
Which of the following is known as 'body-building food'?
(a) Carbohydrates
(b) Proteins
(c) Fats
(d) Vitamins
Answer: (b)
The main role of carbohydrates in our body is to:
(a) Protect us from diseases
(b) Repair damaged tissues
(c) Provide energy
(d) Build muscles
Answer: (c)
Which nutrient provides more energy compared to the same amount of carbohydrates?
(a) Vitamins
(b) Proteins
(c) Minerals
(d) Fats
Answer: (d)
Starch and sugars are types of:
(a) Proteins
(b) Carbohydrates
(c) Fats
(d) Roughage
Answer: (b)
To test the presence of starch in food, we use:
(a) Iodine solution
(b) Copper sulphate solution
(c) Caustic soda
(d) Hydrochloric acid
Answer: (a)
Which nutrient is needed for the growth and repair of our body?
(a) Fats
(b) Carbohydrates
(c) Proteins
(d) Dietary fibers
Answer: (c)
Vitamins and minerals are required by our body in:
(a) Large quantities
(b) Small quantities
(c) Equal quantities to proteins
(d) No quantities at all
Answer: (b)
Which vitamin helps our body to use calcium for bones and teeth?
(a) Vitamin A
(b) Vitamin C
(c) Vitamin D
(d) Vitamin B-complex
Answer: (c)
The component of food that does not provide any nutrient but is essential for getting rid of undigested food is:
(a) Fats
(b) Proteins
(c) Dietary fibers
(d) Vitamins
Answer: (c)
Iron is a mineral that is essential for:
(a) Strong bones
(b) Making hemoglobin in blood
(c) Good eyesight
(d) Healthy skin
Answer: (b)
Vitamin C is mostly found in:
(a) Milk and eggs
(b) Pulses and meat
(c) Citrus fruits like lemon and orange
(d) Wheat and rice
Answer: (c)
Which of the following is a source of plant protein?
(a) Paneer
(b) Fish
(c) Soybeans
(d) Eggs
Answer: (c)
A solution of copper sulphate and caustic soda is used to test for:
(a) Starch
(b) Fats
(c) Proteins
(d) Carbohydrates
Answer: (c)
Sunlight is a natural source of which vitamin?
(a) Vitamin A
(b) Vitamin B
(c) Vitamin C
(d) Vitamin D
Answer: (d)
Which mineral is specifically required for healthy bones and teeth?
(a) Iodine
(b) Iron
(c) Calcium
(d) Magnesium
Answer: (c)