Advertisements
Advertisements
प्रश्न
What are outside raw materials used for by an organism?
उत्तर
Various outside raw materials used by an organism are as follows:
- Food is a source of supplying energy and materials.
- Oxygen for the breakdown of food to obtain energy.
- Water for proper digestion of food and other functions inside the body.
The raw materials required by an organism will vary depending on the complexity of the organism and its environment.
संबंधित प्रश्न
Name the life process of an organism that helps in the growth of its population.
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans
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 |
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
Nutrients
Write definition.
Glycolysis
Answer in detail.
Explain the Kreb's cycle with reaction.
Explain the ‘inhalation’.
Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.
Explain the Steps of Glycolysis.
Assertion: When air is passed through lime water, lime water turns milky.
Reason: Air contains 78% nitrogen and 21% oxygen.
Match the terms in Column (A) with those in Column (B)
Column (A) | Group (B) |
(a) Trypsin | (i) Pancreas |
(b) Amylase | (ii) Liver |
(c) Bile | (iii) Gastric glands |
(d) Pepsin | (iv) Saliva |
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.