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प्रश्न
Differentiate between Macro and Micro Nutrients.
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
Marasmus is due to deficiency of:
(a) Vitamin C
(b) Carbohydrates
(c) Fat
(d) Food
Distinguish between the following:
Autotrophs and Heterotrophs
Distinguish between the following:
Herbivore and Carnivore
Distinguish between the following:
Assimilation and Absorption
Give the one-word substitute for the following:
Insect-eating organism.
Name the sources of the following:
Cellulose
The process of intake of food and utilising it for all life processes is called ______.
All the substances in our food which are useful for various bodily processes are called ______.
Spot the following in the table of vitamins and minerals.
Causes of anaemia.
Spot the following in the table of vitamins and minerals.
Sensory organ affected due to the deficiency of Vitamin A.
______ provide maximum energy to the body.
Classify according to food-type.
Cow
Classify according to food-type.
Deer
Name some unicellular organisms in which all life-processes take place within their unicellular body.
Give reasons.
Butterflies have a long tube-like proboscis.
Very Short Answer Type Questions:
Which type of food is called body-building food?
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Short Answer Type Questions:
What are the functions of minerals?
Name the following:
The nutrients which mainly give energy to our body.
By eating rice alone, we can fulfill nutritional requirement of our body.
Match the following.
| Column A | Column B | ||
| (1) | Fats | (a) | Jowar |
| (2) | Proteins | (b) | Oil |
| (3) | Vitamins | (c) | Bran of cereals |
| (4) | Minerals | (d) | Pulses |
| (5) | Starchy foods | (e) | Iron |
Choose the correct option.
Select odd one out on the basis of digestive functions of tongue.
What is common for Cuscuta, ticks and leeches?
Organisms that prepare food for themselves using simple naturally available raw materials are referred to as
Unscramble the following to form terms related to modes of nutrition.
- RASPAEIT
- ROPEHYTSAP
- TOROPHAUT
- SIBIOMSYS
Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, Bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?
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.
