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प्रश्न
Differentiate between Macro and Micro Nutrients.
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उत्तर
| Macro Nutrients | Micro Nutrients | |
| i. | They are required in larger quantities. | They are required in very minute quantities. |
| ii. | Energy from macro nutrients is for the metabolic system. Proteins, fibre, carbohydrates, and fats are examples of macro-nutrients. | Micro nutrients contribute to body growth and disease prevention. Antioxidants, Minerals, and Vitamins are examples of micro-nutrients. |
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संबंधित प्रश्न
List the six main purposes for which food is required by the body.
Distinguish between the following:
Herbivore and Carnivore
Distinguish between the following:
Assimilation and Absorption
Define the following:
Saprozoic
Name the sources of the following:
Cellulose
Spot the following in the table of vitamins and minerals.
Essential mineral for healthy bones and teeth.
______ is a type of junk food.
Classify according to food-type.
Cockroach
Why do living organisms need nutrition?
We prepare a variety of foodstuffs and dishes at home. Are we then autotrophic organisms?
Short Answer Type Questions:
What are the functions of proteins?
What is obesity?
Choose the correct option.
Select odd one out on the basis of digestive functions of tongue.
Choose the correct option.
Which type of teeth are maximum in number in human buccal cavity?
The nutrient required in trace amounts to accomplish various body functions is ______.
Which of the following statement (s) is (are) true about the heart?
- Left atrium receives oxygenated blood from different parts of the body while the right atrium receives deoxygenated blood from the lungs
- Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
- Left atrium transfers oxygenated blood to the right ventricle which sends it to different body parts
Which is the first enzyme to mix with food in the digestive tract?
Is ‘nutrition’ a necessity for an organism? Discuss.
Which of the following raw material is available in the air for photosynthesis?
Potato and ginger are both underground parts that store food. Where is the food prepared in these plants?
Unscramble the following to form terms related to modes of nutrition.
- RASPAEIT
- ROPEHYTSAP
- TOROPHAUT
- SIBIOMSYS
Can you give me a name?
Solve the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am tall but I cannot move. I am green and can prepare my own food. ______, ______
Which of the following nutrients is not present in milk?
Unscramble the following word related to component of food and write it in the space provided.
nitesturn - ______
Tasty food is not always nutritious and nutritious food may not always be tasty to eat. Comment with examples.
Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.
Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomachache and constipation. What are the food items that she should include in her diet to get rid of the problem? Give reason for your answer.
List all those components of food that provide nutrients.
Assertion (A): Amoeba takes in food using finger like extensions of the cell surface.
Reason (R): In all unicellular organisms, the food is taken in by the entire cell surface.
Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.
