2019 DSE 生物-Biology 真题 答案 详解

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答案(中文)

評卷參考

本文件供閱卷員參考而設，並不應被視為標凖答案。考生及沒有參與評卷工作的教師在釋文件內容時應小心謹慎。

卷一

甲部

題號 答案 题号 答案
1. B (83%) 21. D (54%)
2. D (44%) 22. D (39%)
3. B (61%) 23. C (45%)
4. B (49%) 24. C (41%)
5. D (45%) 25. C (68%)
6. A (77%) 26. A (80%)
7. C (31%) 27. C (50%)
8. A (73%) 28. B (45%)
9. B (72%) 29. A (68%)
10. A (22%) 30. C (18%)
11. B (23%) 31. C (45%)
12. D (87%) 32. D (50%)
13. D (45%) 33. B (70%)
14. D (63%) 34. C (81%)
15. A (35%) 35. A (48%)
16. D (56%) 36. C (66%)
17. C (59%)
18. A (61%)
19. D (84%)
20. B (65%)

註：括號內數字為答對百分率。

答案(英文)

Marking Schemes

This document was prepared for markers' reference. It should not be regarded as a set of model answers. Candidates and teachers who were not involved in the marking process are advised to interpret its contents with care.

Paper 1

SECTION A

Question No. Key Question No. Key

1. B (83%) 21. D (54%)

2. D (44%) 22. D (39%)

3. B (61%) 23. C (45%)

4. B (49%) 24. C (41%)

5. D (45%) 25. C (68%)

6. A (77%) 26. A (80%)

7. C (31%) 27. C (50%)

8. A (73%) 28. B (45%)

9. B (72%) 29. A (68%)

10. A (22%) 30. C (18%)

11. B (23%) 31. C (45%)

12. D (87%) 32. D (50%)

13. D (45%) 33. B (70%)

14. D (63%) 34. C (81%)

15. A (35%) 35. A (48%)

16. D (56%) 36. C (66%)

17. C (59%)

18. A (61%)

19. D (84%)

20. B (65%)

Note: Figures in brackets indicate the percentages of candidates choosing the correct answers.

48

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真题 Paper 1(中文)

本试卷共設 36 题。 試卷內的插圖未必依照比例繪成。 指示：參考以下電子顯微照片，解答第1和2题。照片顯示某植物細胞内的葉绿體。

P S R Q

1. 在光合作用時，吸收光的構造是 A. P. B. Q. C. R. D. S.

2. 將具有放射性標記氧的二氧化碳，供應予這植物細胞以進行光合作用，可以偵測到放射性的是 A. Q 生成的氧氣。 B. R 生成的氧氣。 C. Q 生成的葡萄糖。 D. R 生成的葡萄糖。

3. 以下哪個/些呼吸途徑內的過程釋出二氧化碳？ (1) 氧化磷酸化作用 (2) 克雷伯氏循環內的反應 (3) 葡萄糖轉化為丙酮酸 A. 只有(1) B. 只有(2) C. 只有(1) 和 (3) D. 只有(2) 和 (3)

2019-DSE-BIO IA-2

真题 Paper 2(中文)

甲部 人體生理學：調節與控制 回答本部分內的所有試題。

1(a) 為探究雌激素與促卵泡激素(FSH)之間的相互關係，在一時段內，量度一組女性她們體內該兩種激素的血漿水平。圖1顯示在研究進行期間該兩種激素的血漿水平變化：

圖 1

血漿雌激素水準（任意雌激素單位）

血漿 FSH 水平（任意 FSH 單位）

月經週期的日數

24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11

FSH

雌激素

週期 I

週期 II

(i) 就卵巢內發生的事情而言，解釋在以下時段血漿雌激素水平的變化：

(1) 由週期 I 的第 24 天至週期 II 的第 3 天 (2 分)

(2) 由週期 II 的第 5 天至第 11 天 (2 分)

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真题 Paper 1(英文)

2019-DSE BIO PAPER 1A HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2019 BIOLOGY PAPER 1 8:30 am - 11:00 am (2 hours 30 minutes) This paper must be answered in English GENERAL INSTRUCTIONS (1) There are TWO sections, A and B, in this Paper. You are advised to finish Section A in about 35 minutes. (2) Section A consists of multiple-choice questions in this question paper. Section B contains conventional questions printed separately in Question-Answer Book B. (3) Answers to Section A should be marked on the Multiple-choice Answer Sheet while answers to Section B should be written in the spaces provided in Question-Answer Book B. The Answer Sheet for Section A and the Question-Answer Book B for Section B will be collected separately at the end of the examination. INSTRUCTIONS FOR SECTION A (MULTIPLE-CHOICE QUESTIONS) (1) Read carefully the instructions on the Answer Sheet. After the announcement of the start of the examination, you should first stick a barcode label and insert the information required in the spaces provided. No extra time will be given for sticking on the barcode label after the "Time is up" announcement. (2) When told to open this book, you should check that all the questions are there. Look for the words 'END OF SECTION A' after the last question. (3) All questions carry equal marks. (4) ANSWER ALL QUESTIONS. You are advised to use an HB pencil to mark all the answers on the Answer Sheet, so that wrong marks can be completely erased with a clean rubber. You must mark the answers clearly; otherwise you will lose marks if the answers cannot be captured. (5) You should mark only ONE answer for each question. If you mark more than one answer, you will receive NO MARKS for that question. (6) No marks will be deducted for wrong answers. ©香港考試及評核局保留版權 Hong Kong Examinations and Assessment Authority All Rights Reserved 2019 Not to be taken away before the end of the examination session 2019-DSE-BIO 1A-1 1 Provided by dse.life

真题 Paper 2(英文)

2019-DSE BIO PAPER 2 HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2019 BIOLOGY PAPER 2 11:45 am – 12:45 pm (1 hour) This paper must be answered in English INSTRUCTIONS (1) There are FOUR sections, A, B, C and D in this Paper. Attempt ALL questions in any TWO sections. (2) Write your answers in the Answer Book DSE (C) provided. Start each question (not part of a question) on a new page. (3) Present your answers in paragraphs wherever appropriate. (4) Illustrate your answers with diagrams wherever appropriate. (5) The diagrams in this paper are NOT necessarily drawn to scale. ©香港考試及評核局保留版權 Hong Kong Examinations and Assessment Authority All Rights Reserved 2019 Not to be taken away before the end of the examination session 2019-DSE-BIO 2-1 Provided by dse.life