Exercise
NCERT Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Components of Food from Science Textbook of Competency Based Questions for Class VI. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
The table below shows the food items in the meals of four students.
| Student | Food items in lunch | Food items in dinner |
| Sanjay | Wheat roti and dal | Wheat roti and mixed vegetables |
| Anjum | Rice and fish curry | Rice and chicken |
| Raghu | Rice and chicken | Rice and fish curry |
| Jenny | Wheat bread and meat | Wheat bread and chicken |
Which two students ate the most similar food items?
Why is it necessary to have a variety of food items in meals?
Which type of vitamin is found plenty in lemon?
The table below shows some common symptoms of nutrient deficiency.
| Type of nutrient | Symptoms due to its deficiency |
| Vitamin A | Poor vision, loss of vision at night |
| Calcium | Weak bones, tooth decay |
| Vitamin C | Bleeding gums, wounds take longer to heal |
| Iodine | Glands in the neck appear swollen |
Pankaj is suffering from tooth decay and bleeding gums. Which of the following nutrients in food would help him recover?
Doctors advise not to boil fruits before eating. What could be the likely reason for this?
Fat-rich foods leave an oily patch on paper when smashed or rubbed on it. Raju wanted to check this through an activity. He performed the following steps.
Step 1: Placed a fat-rich food item on a piece of white paper.
Step 2: Smashed the food gently with a hammer.
Step 3: Removed the smashed food from the paper.
Step 4: Dried the paper and then checked for any patches on it.
In Step 4, Raju dried the paper before checking for patches. What could be the most likely reason for this?
Fat-rich foods leave an oily patch on paper when smashed or rubbed on it. Raju wanted to check this through an activity. He performed the following steps.
Step 1: Placed a fat-rich food item on a piece of white paper.
Step 2: Smashed the food gently with a hammer.
Step 3: Removed the smashed food from the paper.
Step 4: Dried the paper and then checked for any patches on it.
Raju performed the same activity with four types of food. Which of the following will decide the amount of fat in each food item?
Vitamin D helps our body to use calcium for bones and teeth. The human body produces vitamin D when exposed to both sunlight and high temperatures. Which type of climate is most likely to cause vitamin D deficiency in humans?
