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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
Explain the following term with an example:
Scavenger
Distinguish between the following:
Autotrophs and Heterotrophs
Give the one-word substitute for the following:
Insect-eating organism.
Define the following:
Saprozoic
Spot the following in the table of vitamins and minerals.
The nutrient present in citrous fruits.
Spot the following in the table of vitamins and minerals.
Vitamins/minerals present in milk.
Pulses are a very good source of ______.
______ provide maximum energy to the body.
Classify according to food-type.
Vulture
Classify according to food-type.
Human
Name some unicellular organisms in which all life-processes take place within their unicellular body.
We prepare a variety of foodstuffs and dishes at home. Are we then autotrophic organisms?
Very Short Answer Type Questions:
Name two sources of Vitamin A.
Short Answer Type Questions:
Name the vitamin that our body prepares in the presence of sunlight.
Short Answer Type Questions:
What are the functions of minerals?
By eating rice alone, we can fulfill nutritional requirement of our body.
The nutrient required in trace amounts to accomplish various body functions is ______.
Differentiate
Kwashiorkar from Marasmus
Match the Column I with Column II and choose the correct option.
| Column I (Food componets) | Column II (Gross calorific value) | ||
| i. | Proteins | a. | 9.45 Kcal/g |
| ii. | Carbohy drates | b. | 4.1 Kcal/g |
| iii. | Fats | c. | 5.65 Kcal/g |
Fill in the blanks of the paragraph given below with the words provided in the box.
| chlorophyll, energy, food, carbon dioxide, water, photosynthesis |
Leaves have a green pigment called ___(a)___ which captures ___(b)___ from sunlight. This ___(c)___ is used in the process of ___(d)___ and along with other raw materials like ___(e)___ and ___(f)___ synthesize ___(f)___.
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.
‘Water does not provide nutrients, yet it is an important component of food’. Explain.
What do we actually mean when we say that the "enzymes are specific in their action"?
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.
