香港理工大学生物试题.docx

1、香港理工大学生物试题SSMSC / 2018 / BiologySecondary School Mathematics & Science CompetitionBiologyDate: 17th May, 2018 (Friday)Total no. of pages: 24Time allowed: 9:00 - 10:15 am (1hour 15 minutes)Total marks: 70Instructions:1. Write your Name, School Name, Form, Date and Candidate Number in the spaces provi

2、ded on the M.C. and Section B Structured Questions Answer Sheet and fill the appropriate boxes.2. When told to open this book, you should check that all the questions are there. Look for the words END OF PAPER after the last question.3. ANSWER ALL QUESTIONS.4. Diagrams in this paper are NOT necessar

3、ily drawn to scale.5. There are TWO sections, A and B in this Paper. Section A consists of multiple choice questions. Section B contains structured questions.Section A (Multiple Choice Questions)(a) You should use an HB pencil to mark all your answers on the M.C. Answer Sheet.(b) Each question carri

4、es one mark.(c) You should mark only ONE answer for each question. If you mark more than one answer, you will receive NO MARKS for that question.(d) No marks will be deducted for wrong answers.Section B (Structured Questions)(a) Answers should be written in the space provided on the Section B Answer

5、 Sheet.Page 1SSMSC / 2018 / BiologySection A：Multiple Choice Questions (55 marks)1. Which of the followings are the derivatives of fat?(1) Phospholipid(2) Steroid(3) CholesterolB. (1) and (2) onlyC. (1) and (3) onlyD. (2) and (3) onlyE. (1), (2) and (3)2. The monomers of DNA and RNA areA. GlucoseB.

6、Amino acidsC. TriglyceridesD. Nucleotides3. Which of the following levels of organization about living things and their environment in ascending order is correct?A. Atom, DNA, molecule, organelle, system, cell, organism, species, community, population, ecosystem, ecosphereB. Atom, cell, molecule, ti

7、ssue, organ, system, organism, species, population, community, ecosphere, biomeC. Atom, molecule, cell, tissue, organ, system, organism, species, population, community, ecosystem, ecosphereD. Atom, compound, molecule, cell, tissue, organ, species, organisms, population, community, ecosystem, ecosphe

8、rePage 2SSMSC / 2018 / Biology4. A temporary mount of onion epidermal cells is prepared freshly and observed under the light microscope. A photomicrograph is captured and shown below:Onion epidermal cells (x200)Structure X isA. a nucleus.B. a starch grain.C. a vacuole.D. an air bubble.Directions: Qu

9、estions 5 and 6 refer to the diagram below, which shows a structure P found in the longitudinal section of a dicotyledonous stem:Page 3SSMSC / 2018 / Biology5. Which of the following are functions of structure P?(1) transport of water(2) transport of minerals(3) give support to the plantB. (1) and (

10、2) onlyC. (1) and (3) onlyD. (2) and (3) onlyE. (1), (2) and (3)6. Which of the following is derived from structure P over a period of time?A. Cork.B. Wood.C. Fruits.D. Aerial roots.7. Diagram I shows an aphid which feeds on phloem sap of plant by inserting a tubular structure into the sieve element

11、 of a stem. Diagram II shows a cross section of avascular bundle of the dicotyledonous stem.Diagram I Diagram IISource: Shipher Wu (photograph) and Gee-way Lin (aphid provision), National Taiwan UniversityWhich part of the vascular bundle in Diagram II is the site where the aphid obtains the sap?Pag

12、e 4SSMSC / 2018 / BiologyDirections: Questions 8 and 9 refer to the following situation: Mary noticed a cosmetic advertising statement Repair Serum X can protect the skin from wrinkle development and she doubted it. Then she carried out a scientific investigation which aimed to study if the advertis

13、ing statement is correct or not. She made a hypothesis that Repair Serum X can prevent wrinkle development on skin, followed by constructing the following setup P and Q:8. Assuming that all control variables are the same, what is the dependent variable and which setup is the control in the investiga

14、tion?Dependent variableControl setupA. Pigs skin smeared with Repair Serum X or notPB.Pigs skin smeared with Repair Serum X or notQC.Wrinkles appear or notPD.Wrinkles appear or notQ9. If wrinkle does not appear on both skins in setup P and Q, what conclusion can be made?A. Repair Serum X can prevent

15、 wrinkle development on skin.B. Repair Serum X is not needed for the prevention of wrinkle development on skin.C. The hypothesis that Repair Serum X can prevent wrinkle development on skin is supported.D. No conclusion can be made.Page 5SSMSC / 2018 / BiologyDirections: Questions 10 and 11 refer to the diagram below, which shows a fluid-mosaic model of cell membrane:10. Which of the following is not a property of A?A. The tail region is non-polar.B. It allows ions (such as sodium ions)