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प्रश्न
Define a nutrient. Name four important nutrients present in our food.
उत्तर
A nutrient is an organic or inorganic substance required for the maintenance of life and survival of the living organisms. Four important nutrients present in our food are carbohydrates, proteins, vitamins and fats.
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संबंधित प्रश्न
Which part of the digestive canal is involved in:
Chewing of food ______.
What is the name of tiny projections on the inner surface of small intestine which help in absorbing the digested food?
Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.
- Small intestine is shorter than large intestine.
- Small intestine is wider than large intestine.
Options :
(i)Both the statements are correct
(ii) Both the statements are wrong
(iii) Statement A is correct, B is wrong
(iv) Statement B is correct, A is wrong
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Study the diagram given below and then answer the question that follows:
Describe the structure of the part labelled '3'.
Fill in the blanks.
Grinding of food is brought about by _______ and ______
State one difference in nutrition: Parasite and Saprophyte
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Name the organism which lives in the digestive system of human ______.
Given below from (i) to (iv) are some food items.
- Boiled and mashed potato
- Glucose solution
- A slice of bread
- Mustard oil
Which of the above will give a blue-black colour when tested with iodine?
