110年 - 110 國立臺灣大學_碩士班招生考試_海洋所物理與化學與地物組(3組聯招):海洋化學#102033

選擇題 (25)

1. Who was the first chemist to realize clearly that the bitter taste of seawater was due to the presence of MgSO₄ and MgCl₂? (A) Antoine Lavoisier, (B) Michael Pilson, (C) John Riley, (D) Wallace Broecker, (E) John

2.Which gases have the highest average concentration in the ocean? (A) He (B) O, (C) N, (D) CO₂, (E) Ar

3. What is the residence time of the water in the ocean which estimated by simple flux balance box model? (A) ~1,500 years, (B) ~37,000 years, (C) ~3,700 years, (D) ~150 years, (E) ~1.5 x 10⁴ years

4) What is the acronym of "AOU" used in marine science stands for ? (A) Additional Oxygen Uptake, (B) Apparent Oxygen Uptake, (C) Actual Oxygen Utilization, (D) Additional Oxygen Utilization, (E) Apparent Oxygen Utilization

5) Who reported and published the first scientific paper on measurements of seawater compcsition? (A) Robert Boyle, (B) William Dittmar, (C) Joseph Louis Gay-Lussac, (D) Alexander Marcet, (E) Alfred C. Redfield

6) What is the metal centered in chlorophyl-a structure? (A) Ca (B).Cu (C) Mn (D) Cd (E) Mg

7 Opal in marine sediment is produced and input primarily by which type of organisms? (A) diatom (B) cyanobacteria (C) coccolithorpores (D) foraminferan (E) ciliate

8)Which element listed have the "nutrient type" distribution in the north Pacific Ocean? (A) Lead, (B) Strontium, (C) Thorium, (D) Sodium, (E) Germanium

9.Murray What is the average temperature of North Atlantic Deep Water (NADW)?(A) ~0.3℃, (B) ~O.8℃, (C) ~5℃, (D) ~1℃,(E) ~3℃,

10.What is the age of the seawater found at north Atlantic Ocean by △C14 method? (A) ~1,500 years, (B) ~37,000 years, (C) ~3,700 years, (D) ~400 years, (E) ~1.5 x 10⁴years

11) Which of the listed open ocean surface water is saltiest? (A) North Atlantic Ocean, (B) North Pacific Ocean, (C) South Pacific Ocean, (D) Indian Ocean, (E) Southern Ocean

12.What is the ionic strength of 0.025 mol/L of MgSO₄ solution? (A) 0.1, (B) 0.8, (C) 0.5, (D) 0.05, (E) 0.06

13) The thermocline is the depth in the ocean where (A) the salinity changes rapidly, (B) the temperature changes rapidly, (C) the density changes rapidly, (D) the density remain constant, (E) calcium carbonate dissolve rapidly

14) Which major class of biomolecules have highest content of carbon? (A) lipid (B) carbohydrate (C) protein (D) nucleic acid (E) amino acid

15.What is the average concentration range of dissolved silicate in north pacific deep waters? (A) 20~40 nM, (B) 40~80 μM, (C) 250~300 μM, (D) 150~160 μM, (E) 190~200 μM

16. What is the major radionuclide introduced to Pacific Ocean during Japan's Fukushima Daiichi power plain accident in year of 2011? (A) (B) (C) (D)(E)

17. What is the average concentration of dissolved organic carbon (DOC) in open ocean below 3000 m depth? (A) 150μM (B) 40 μM (C) 250μM (D) 3μM (E) 800μM

18. Which of the following seawater properties/contents or methods cannot be used for salinity measurement? (A) Density, (B) pH, (C) Conductivity, (D) Evaporation, (E) Refractometer

19.What is the average density of marine sediments? (A) 2.1 g/cm³ (B) 5 g/cm³ (C) 0.3 g/cm³ (D) 28 g/cm³ (E) 1.3 g/m³

20. What is the pH in a mol/L solution of boric acid (B(OH) ₃)? ?(A) 5.92,(B) 8.39, (C) 6.21, (D) 5.32, (E) 7.56

21) What is the pore size of most commonly used filters for separating particles and dissolved substances in marine waters? (A) 0.45uM, (B) 0.45mm, (C) 0.45cm, (D) 0.45um, (E) 0.2mm

22) Which hard part of certain planktonic particle can affect the alkalinity of seawater? (A) diatom (B) cyanobacteria (C) dinoflagellate (D) coccolithophorid (E) ciliate

23.What is the method used for measuring seawater Chlorinity ? (A) Molybdenum Blue method, (B) Hydride Generation method, (C) Argentometric Titration mehod, (D) Methylene Blue method, (E) Ferrozine method

24) What is the average ionic strength of open ocean waters? (A) 1.0, (B) 0.1, (C) 0.7, (D) 2.0, (E) 0.2

25. What is the pH of a ? (A)4.08, (B)3.05,(C)4.71,(D) 2.35, (E) 5.28

申論題 (5)

問答與計算考題(每題10分,共50分)注意:請於試卷內之「非遜择題作答區」標明題號依序作答
1. Describe "solubility pump" and "biological pump" in the ocean?

2. Explain what is marine "Dead Zone".

3. Describe at least 5 different ways (i.e., tools or techniques) of collecting marine suspended/sinking particles.

4.Calculate the residence time of Chloride (Cl) in the ocean, given the volume of the ocean is 1.37x10⁹ km³with average Chlorinity of 19

, and the river flux is 3.7x10⁴km³/yr with an average chloride concentration of 6 mg/kg.

5. Describe and draw out the different types of vertical concentration distribution patterns for elements in the ocean?

110年 - 110 國立臺灣大學_碩士班招生考試_海洋所物理與化學與地物組(3組聯招):海洋化學#102033

試卷資訊

選擇題 (25)

申論題 (5)