tailieunhanh - Đề thi INTERNATIONAL BIOLOGY OLYMPIAD lần thứ 21

THEORETICAL TEST: PART B GENERAL INSTRUCTIONS 1. Open the envelope after the start bell rings. 2. A set of questions and an answer sheet are in the envelope. 3. Write your 4-digit student code in every student code box. 4. The questions in Part B may have more than one correct answer. Fill the Answer Sheet with checkmarks (√), numbers, or characters to answer each question. 5. Use pencils and erasers. You can use a ruler and a calculator provided. | ENVELOPE COVER SHEET Student Code _ BIOLOGY OLYMPIAD The 21st INTERNATIONAL BIOLOGY OLYMPIAD Changwon KOREA 11th - 18th July 2010 THEORETICAL TEST PART B Time available 150 minutes GENERAL INSTRUCTIONS 1. Open the envelope after the start bell rings. 2. A set of questions and an answer sheet are in the envelope. 3. Write your 4-digit student code in every student code box. 4. The questions in Part B may have more than one correct answer. Fill the Answer Sheet with checkmarks N numbers or characters to answer each question. 5. Use pencils and erasers. You can use a ruler and a calculator provided. 6. Some of the questions may be crossed-out. DO NOT answer these questions. 7. Stop answering and put down your pencil IMMEDIATELY after the end bell rings. 8. At the end of the test session you should leave all papers at your table. It is not allowed to take anything out. IBO2010 KOREA THEORETICAL TEST Part B Country _ Student Code _ The 21st INTERNATIONAL BIOLOGY OLYMPIAD Changwon KOREA 11th - 18th July 2010 BIOLOGY OLYMPIAD THEORETICAL TEST PART B Time available 150 minutes GENERAL INSTRUCTIONS 1. Write your 4-digit student code in every student code box. 2. The questions in Part B may have more than one correct answer. Fill the Answer Sheet with checkmarks numbers or characters to answer each question. 3. Use pencils and erasers. You can use a scale and a calculator provided. 4. Some of the questions may be crossed-out. Do not answer these questions. 5. The maximal point of Part B is . 6. Stop answering and put down your pencil immediately after the end bell rings. 7. At the end of the test session you should leave all papers at your table. It is not allowed to take anything out. 1 IBO2010 KOREA THEORETICAL TEST Part B CELL BIOLOGY B1. points The Western blot below shows migration distances of five signal molecules a e involved in a growth hormone-regulated cell-signaling pathway. To determine the .