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If pollen grains reach the stigma of a flower of a wrong species why will seeds usually not form?

Answer and explanation

Correct answer: Because lack of compatibility can make pollen tube growth or fertilisation fail

Step 1: Pollen from the correct species is needed for successful fertilisation. Step 2: Pollen from a wrong species may not germinate properly on stigma. Step 3: If the male gamete does not reach ovule seed will not form.

Related tags

Species CompatibilityPollenSeed FormationReproductionWorld Of LivingScienceClass 10 Mcq

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