Question

3. Simple diffusion will not meet the requirements of all the cells.
4. Name two inorganic substance which are used by autotrophs to ma
5. What is respiration ?
6. Mention the need of transportation system in multicellular organist
7. Classify the below organisms into heterotrophs and autotrophs.
Fungi, Green plants, Bacteria, Birds
8. In addition to carbon dioxide and water , state other two conditions
necessary for the process of photosynthesis to take place ?
9. Name two types of nutritions ?
10. In which form carbohydrates are stored in plants ?
11. Give two examples for the organisms which break down the food 1
outside the body and then absorb it ?
12. What is emulsification ?
13. What is excretion ?
14. What Is transpiration ?
15. Why blood circulation in human heart called as double circulation
16. We can usually control the urge to urinate Why?
17. What are the final products of carbohydrates ,proteins and fats afte
digestion ?
18. What is translocation ?​

Answer 1

Explanation:

3. because all the cell are not in direct contact with surrounding