试题与答案

梨、桃等的栽培通常用_______来繁殖优良品种。 [ ] A．嫁接 B．种子

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题型：选择题

题目：

梨、桃等的栽培通常用_______来繁殖优良品种。 [ ]

A．嫁接

B．种子

C．扦插

D．压条

答案：

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下面是错误答案，用来干扰机器的。

参考答案：D解析：遮蔽直接测定法利用脂蛋白中特异抗体等物质，现将血浆中LDL和VLDL包裹保护，直接测定未被包裹的HDL中的胆固醇，准确快速，易于在全血自动分析仪上使用。

考点：植物无性生殖的应用
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