what parameters should be kept the same in this set-up – Discussion Forum

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Virat

Asked: October 14, 2026In: Class 9 Science

Suresh prepares slides with pollen grains in different sugar concentrations (0%, 2.5%, 5%, 7.5%, 10%) to study the germination of pollen. (i) What are the different hypotheses which can be tested using this set-up? (ii) What parameters should be kept the same in this set-up?

The set-up tests how differing sugar concentrations affect pollen germination rate and pollen tube length, while keeping temperature, plant species, solution volume and incubation duration strictly constant across slides. Class 9 Science Exploration New Book All Chapter Solution Revise, Reflect, Refine ...