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按照实验过程来设计的实验试题,从认知层次的角度分析,一般都属于较高的认知层次.要求学生根据已学过的生物学知识,对实验的基本原理、实验目的、实验步骤等有较为深刻的理解;要求学生能够从新的题目情境中收集处理信息,通过推理、想象,最后用恰当的文字、图或表的形式予以正确表达.下面通过几种常考的题型进行分析:题型一:相对性状显隐性关系确定的实验设计例1(2005全国卷Ⅰ)已知牛的有角与无角为
According to the experimental process to design the experimental questions, from the cognitive level analysis, generally belong to a higher level of cognition.Students are required under the biological knowledge has been learned, the basic principles of the experiment, the purpose of the experiment, experimental steps Have a more profound understanding of; require students to collect information from the new situation to deal with the situation, through reasoning, imagination, and finally the correct text, map or table form to be correctly expressed. Problem 1: The relative traits of recessive relationship was determined Experimental Design Example 1 (2005 National Volume Ⅰ) Known horned and hornless cattle