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 ...
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The correct chronological order is (iii) Pollination, (i) Pollen germination on stigma, (ii) Fertilisation and (iv) Formation of zygote, tracing pollen transfer to the eventual fusion of male and female gametes. CBSE Class 9 Science Chapter 11 Reproduction How Life Continues ...