Q1.Name the following:-
1. Condition of a cell placed in a hypotonic solution.
2. Openings on the stem through which transpiration occurs.
3. An instrument used to measure rate of transpiration.
4. The structure where photophosphorylation takes place.
5. The process by which leucocytes engulf and destroy bacteria.
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Answers
Explanation:
1.When the cell is put in a hypotonic solution then the cell swells up. This is because the particles move from the higher concentration towards the lower concentration. ... The condition when the cell gets shrink when placed in a hypertonic solution is called Plasmolysis and the cell is called Plasmolysed cell.
2.The opening of the stem through which the transpotation occurs is called stomata. Breathing is important for plants. The intake of 'carbon di oxide' is very vital for plants to live.
3.A potometer, sometimes known as transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration. The causes of water uptake are photosynthesis and transpiration.
4.Being a light reaction, non-cyclic photophosphorylation occurs in the thylakoid membrane.
5.The process where these white blood cells surround, engulf, and destroy foreign substances is called phagocytosis, and the cells are collectively referred to as phagocytes.