Question

answer the following question

Answer 1

24.In solution, it appears yellow in low concentration, and brown at higher concentration. The triiodide ion is responsible for the well-known blue-black color which arises when iodine solutions interact with starch. 

25.gram seeds have proteins.when they're soaked in water due to imbibition they absorb water, their vacuoles fill completely with water.. because of this filling of vacuole it is clear that the vacuole will grow in size..it will exert a pressure (turgor pressure) on the cell wall..as the vacuole is filled with water the seed grows in size but it doesn't mean it is literally germinating..This process is called DEPLASMOLYSIS..(when the vacuole exerts pressure on the cell wall the cell wall alse exerts a pressure on the cell contents called wall pressure)