A) Undeveloped embryos
B) Hard seed coat
C) Absence of cytokinins
D) Absence of gibberellic acid
Correct Answer: B
Solution :
Seed of many plants including the leguminosae, Malvaceae. Chenopodiaceae, Convolvulaceae and Solanceae have very hard seed coats. Such seed coats are impermeable to water.
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