下列关于植物生长素生理作用的叙述中,正确的是 A.顶芽生长占优

下列关于植物生长素生理作用的叙述中,正确的是

A.顶芽生长占优势时侧芽生长素的合成受到抑制

B.燕麦胚芽鞘中生长素的极性运输与光照方向无关

C.草莓果实的自然生长过程与生长素无关而与乙烯有关

D.温特的实验中生长素从胚芽鞘尖端基部进入琼脂块的方式是主动运输

答案

B

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