%%

Gaokao Biology Practice Question

水稻种植过程中, 植株在中后期易倒伏是常见问题。在适宜时期喷施适量的调环酸钙溶液, 能缩短水稻 基部节间长度, 增强植株抗倒伏能力。下列叙述错误的是

  1. A.调环酸钙是一种植物生长调节剂
  2. B.喷施调环酸钙的关键之一是控制施用浓度
  3. C.若调环酸钙喷施不足, 可尽快喷施赤霉素进行补救
  4. D.在水稻基部节间伸长初期喷施调环酸钙可抑制其伸长

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Biology questions