2015年11月22日 星期日

中五生物科練習WS02參考答案

WS02參考答案
2      a      X:胚芽                                                                                                                 1
                Y:胚根                                                                                                                 1
Z:子葉                                                                                                                  1
        b      它含有食物儲備,供胚芽和胚根在種子萌發時生長之用。                            1
                它保護幼嫩的胚芽頂端,避免它鑽出泥土時受損。                                        1

3      a      i       區域R                                                                                                            1
        ii      區域X                                                                                                            1
        b      初生生長                                                                                                                1
                初生生長使植物的長度增加。                                                                            1
        c      維管形成層                                                                                                            1
        次生木質部和次生韌皮部的形成使樹幹和樹根的厚度增加。                        1

4      a      階段III                                                                                                                   1
b      細胞分裂會產生新細胞,                                                                                    1
以填補死去或受損的細胞。                                                                                1
c      i       鮮質量容易受人的活動,例如攝食和排泄所影響。                                1
        ii      量度乾質量需要把個體殺死。                                                                    1

5      a      那盆栽植物主要向橫生長,                                                                                1
                高度並沒有明顯增加。                                                                                        1
b      樹冠的闊度。                                                                                                        1

6      a      曲線Z                                                                                                                     1
b      12                                                                                                                       1

c      讓人在身心成熟後才生兒育女。                                                                        1

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