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प्रश्न
Write definition
Nutrients
उत्तर
Nutrients: Nutrient is a substance available in food that helps us to stay healthy. The main nutrients available in food are carbohydrates, fats, proteins, vitamins, minerals and roughage.
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संबंधित प्रश्न
Name the life process of an organism that helps in the growth of its population.
What criteria do we use to decide whether something is alive?
What are outside raw materials used for by an organism?
Which of the following type of energy is used by living organisms to perform vital life processes? Kinetic energy, Chemical energy, Potential energy, Nuclear energy
Match the organisms given in column I with the processes given in column II:
| Column I | Column II | ||
| (i) | Leech | (a) | Holozoic nutrition |
| (ii) | Amoeba | (b) | Autotrophic nutrition |
| (iii) | Mushroom | (c) | Parasitic nutrition |
| (iv) | Green plant | (d) | Saprophytic nutrition |
Match the terms in column I with those in column II :
| Column I | Column II | ||
| (i) | Trypsin | (a) | Liver |
| (ii) | Amylase | (b) | Gastric glands |
| (iii) | Bile | (c) | Pancreas |
| (iv) | Pepsin | (d) | Saliva |
Match the terms in column I with their uses in column II
| Column I | Column II |
| (i) Heart | (a) Pipes for transport in humans |
| (ii) Arteries and Veins | (b) Clotting of blood |
| (iii) Xylem vessels | (c) Pumping organ |
| (iv) RBC | (d) Water transport in plants |
| (v) Platelets | (e) Carrier of oxygen |
A person lives near a forest. Make a list of four items which he can get from the forest to meet his daily needs.
Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to?
Skin : Keratin : : Blood : ____________
Complete the following flowchart.
Write definition.
Nutrition.
Write the definition.
Proteins
Write definition.
Glycolysis
Distinguish between Glycolysis and TCA cycle.
Give scientific reason.
Oxygen is necessary for complete oxidation of glucose.
Give scientific reason.
Kreb's cycle is also known as citric acid cycle.
Write the forms to which following food materials are converted after digestion.
1.Milk
2. Potato.
3. Oil.
4. Chapati
Complete the following chart and state which process of energy production it represents:
Explain the ‘inhalation’.
Soil fertility is determined by its ability to :
What are the main energy sources of living organisms?
Explain the Steps of Glycolysis.
How do the guard cells regulate opening and closing of stomatal pores?
Why do fishes die when taken out of water?
Match the words of Column (A) with that of Column (B)
| Column A | Column B |
| Phloem | (i) Excretion |
| Nephron | (ii) Translocation of food |
| Veins | (iii) Clotting of blood |
| Platelets | (iv) Deoxygenated blood |
Explain the following concept in short:
Balanced Diet
Explain the following concept in short:
Role of circulatory system in energy production
Give scientific reason.
Cell division is one of the important properties of cells and organisms.
Give one example of each of the classifications of vitamins.
