CBSE Questions for Class 6 Biology Components Of Food Quiz 4 - MCQExams.com

Water is one of the most important factors influencing the life of organisms because _________.
  • It makes major part of an organism's body.
  • Productivity of plants depend upon availability of water.
  • Life on Earth originated in water.
  • Both A and B
Mineral salts contribute in regulating body processes.
  • True
  • False
Which of the following statements is correct?
  • Some sources of carbohydrates are vegetable oil, butter and ghee.
  • Fats give us more energy than carbohydrates.
  • Vitamins help the body to get rid of undigested food.
  • Roughage increases the body's ability to fight diseases.
Fish flour is rich in:
  • Fat
  • Protein
  • Vitamins
  • Minerals
Rohan loves to eat too much butter and ghee. Select the correct statement regarding these food items.
  • These food items can get stored in the body.
  • These food items provide energy
  • These gives us fat.
  • All of these
Along with all other nutrients, the body also needs an adequate supply of water.
  • True
  • False
Fibre in diet can be obtained through
  • Vegetables
  • Fruits
  • Cereals
  • All of these
The major component of food, which is required by the body for the repair of wear and tear is:
  • Vitamins
  • Minerals
  • Salts
  • Proteins
Given below are the steps to test the presence of proteins in
a food item:

(i) Take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it.

(ii) Make a paste or powder of food to be tested.

(iii) Add $$10$$ drops of caustic soda solution to the test tube and shake well.

(iv) Add $$2$$ drops of copper sulphate solution to it.

Which of the following is the correct sequence of the steps? 
  • i, ii, iv, iii
  • ii, i, iv, iii
  • ii, i, iii, iv
  • iv, ii, i, iii
Biological particles survive in atmosphere for short period of time due to lack of ______________.
  • Dust particles
  • Moisture
  • Nutrients
  • Smog
X is one of the important components of food. Wheat, pearl millet and sweet potato are rich sources of X, X gives a blue-black colour with a dilute solution of iodine. Identify X.
  • Minerals
  • Fats
  • Proteins
  • Carbohydrates
Carbohydrates, proteins and vitamins which are responsible for energy, growth and vitality are obtained respectively from ________.
  • Cereals, milk and vegetables
  • Milk, pulses and cereals
  • Milk, pulses and vegetables
  • Pulses, vegetables and cereals
Read the statements given below and fill up the blanks with the correct words listed in the box.
The meal that includes all _____ is a balanced diet.
  • Deep
  • Ductless
  • Nutrients
  • Thyroxine
Given below from (i) to (iv) are some food items.
i) Boiled and mashed potato
ii) Glucose solution
iii) A slice of bread
iv) Mustard oil
Which of the above will give blue-black colour when tested with iodine? 
  • (i) and (ii)
  • (i) and (iii)
  • (ii) and (iii)
  • (iii) and (iv)
Loss of vision in darkness is associated with the deficiency of
  • Vitamin A
  • Vitamin B1
  • Vitamin C
  • Vitamin D
The deficiency of ________ causes the decay of bones and teeth.
  • Vitamin A
  • Calcium
  • Iron
  • Iodine
The deficiency of ________ may lead to mental disability in children.
  • Iron
  • Vitamin C
  • Iodine
  • Calcium
State whether the given statement is true or false.
The consumption of a balanced diet leads to deficiency diseases.
  • True
  • False
Iron builds ___________ and iron-rich food such as leafy vegetables, jaggery, meat, citrus, Indian gooseberry (amla) are good for adolescents.
  • Muscles
  • Blood
  • Bones
  • None of the above
Which of the following is the symptom of Rickets?
  • Bleeding gums
  • Softening and bending of bones
  • Reduced night vision
  • Weakening of muscles
Which of the following are good for health?
  • Vitamin $$B_{12}$$ and Vitamin C
  • Pizzas, burger and fries
  • Vegetables and fruits
  • Both A and C
Which of the following contain zero value calories?
  • Milk
  • Egg
  • Cocca cola/ soft drink
  • Fish
Which of the following is/are incorrect statement(s)?
i. Fried food is good for health.
ii. Vitamins protect us from diseases.
iii. Water helps in digestion of food.
iv. Spices are obtained from animals.
  • i and iv
  • ii and iii
  • iv only
  • i and iii
If a person does not eat sufficient fruits and vegetables, he/she most likely will be deficient of:
  • Vitamin A
  • Carbohydrates
  • Vitamin C
  • Both A and C
Some fruits and raw vegetables should be included in the diet because 
  • Vitamin A is present in this fruits and vegetables.
  • Minerals are present only in raw vegetables.
  • Vitamin C present in this food gets destroyed on cooking.
  • Starch is not present in this food.
Which of the following is a substance abundantly available in the sea and administered in a certain deficiency disease?
  • Iodine
  • Iron
  • Vitamin A
  • Flourine
The food sources which are rich in vitamins are 
  • Eggs
  • Lemon
  • Fish oil
  • All of the above
Oil is obtained from the plant and animal sources can be detected by 
  • Oil paper test
  • Starch
  • Calcium sulphate solution
  • Iodine solution
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