2012年10月8日 星期一

中四生物科練習:第二章

中四生物科第二章練習

參考答案

書後練習 (P. 30 - 35)
M.C
1
2
3
4
5
6
7
8
9
10
11
12
13
B
C
D
B
C
A
D
B
B
D
C
A
D
(13)

15    a      A — 細胞核                                                                                                          1
                B — 細胞膜/質膜                                                                                              1
        b      以下任何一項:
                吸收光能,以進行光合作用                                                                                1
                吸收光能,以製造糖/澱粉/碳水化合物/有機物/食物                            1
        c      以下任何
植物細胞
動物細胞
-       有大液泡有細胞液
-       沒有/只有細小的液泡或沒有細胞液
-       有細胞壁/纖維素
-       沒有細胞壁/纖維素或只有細胞膜
-       儲存澱粉或沒有儲存糖原

-       沒有儲存澱粉或儲存糖原
                                                                                                                                         1 x 2
       
19    a     
目鏡放大率
物鏡放大率
總放大率
7X
10X
70X
7X
20X
140X
7X
40X
280X
                                                                                                                                       0.5x 2
        b      i       0.1 mm                                                                                                            1
                ii      植物細胞較動物細胞大。                                                                            1

21. 
    a      i       物質B                                                                                                             1
                        含碳、氧氫。                                                                                    1
                ii      脂肪和油 作為能量儲備                                                                        1
                        磷脂 組成細胞膜                                                                                    1
        b     蛋白質                                                                                                                    1
                它含有碳、氧、氮、氫,這與蛋白質的成分相符。                                1
                必有碳、氧、氮、氫有些會有硫,但不是必然
        c      核酸                                                                                                                        1
                它可在真核細胞的細胞核(DNARNA)和細胞質(RNA)內;
                或原核細胞的細胞質內找到。                                                                            1
23
    a      A — 細胞膜                                                                                                          1
                控制物質進出細胞                                                                                                1
                B — 細胞質                                                                                                           1
                細胞進行化學反應的地方                                                                                    1
        b      細胞X — 綠葉細胞                                                                                          0.5
                細胞Y — 雞血細胞                                                                                          0.5
                原因:(任何兩項,每項1分)
                細胞X長方
                細胞X含有類似葉綠體的橢圓構造。
                細胞X由細胞壁覆蓋。                                                                                       2
        c      i       比例 = 450.1                                                                                              1
                        放大率 = 45/0.1 = 450                                                                                    1
                ii      目鏡放大 = 450/30 = 15                                                                         1

24    a      i       A — 細胞核/核仁                                                                                      1
                        B — 核糖體                                                                                                   1
                        C — 線粒體                                                                                                   1
                ii      存在於原核細胞 — B                                                                                   1
                        不存在於原核細胞 — AC                                                                        1
        b      i       因為這影像顯示到線粒體、核糖體和核膜等微細的結構。                    2
                ii      B用於蛋白質/多肽的合成                                                                      1
                        C用於ATP的生成/能量的釋放                                                            1

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