1.

The gibberellins are plant growth hormones. They cause elongation of stems. Gibberellin was first isolated by Japanese workers from [CPMT 1993, 94, 2003; AIEEE 2003]

A. Endosperm of barley
B. Sporophyte of moss
C. A parasitic fungus
D. Scutellum of rice
Answer» D. Scutellum of rice


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