Experiment to prove that oxygen is necessary for Germination of seed(using alkaline pyrogallic acid)

#seed germination
#alkaline pyrogallic acid

[radhusharma]

Thank you so much mam, its really helpful 👍👍👌👌

[wijayae]

Hi, may I know why we need to add water in the tube in flask B? Is it necessary? Wouldn’t the experiment work even without it? In fact, wouldn’t it be an unfair experiment because you introduced more water in flask B, which is a variable that needs to be held constant?

[hari]

Hii mam..
Very helpful
But can you say me why only alkaline Pyrogallic acid is used but not Pyrogallic acid