2001-AL-Bio 1B1.pdf - B1 2001-AL BIO PAPER 1 B1 Candidate Number Centre Number Seat Number HONG KONG EXAMINATIONS AUTHORITY HONG KONG ADVANCED LEVEL

2001-AL-Bio 1B1.pdf - B1 2001-AL BIO PAPER 1 B1 Candidate...

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Checker’s Use Only Checker No. g2825g3965g1749g4578g1885 g2437g3086g2336g6558 Hong Kong Examinations Authority All Rights Reserved 2001 Total 2001-AL-BIO 1B1–1 HONG KONG EXAMINATIONS AUTHORITY HONG KONG ADVANCED LEVEL EXAMINATION 2001 BIOLOGY A-LEVEL PAPER 1 SECTION B : Question-Answer Book B1 This paper must be answered in English. Instructions 1. Refer to the instructions on the cover of the question book for Section A. 2. The questions in this Question-Answer Book carry 30 marks out of the 60 marks for Section B. 3. Write your Candidate Number, Centre Number and Seat Number in the spaces provided on the cover of this Question-Answer Book. 4. Supplementary answer sheets will be provided on request. You should write your Candidate Number and Question Number on each supplementary answer sheet. Tie it loosely but securely with a string to the relevant page of this Question-Answer Book. Candidate Number Centre Number Seat Number Marker’s Use Only Examiner’s Use Only Marker No. Examiner No. Question No. Marks Marks 10 11 Total 2001-AL BIO PAPER 1 B1 B1
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2001-AL-BIO 1B1–2 - 1 - Answer ALL questions. There are two questions in this Question-Answer book. They do not carry equal marks. Put your answers in the spaces provided. 10.A student examined cell divisions in a plant shown in the photomicrographs A, B, C, D, E and F on theopposite page. Photomicrograph A was taken from a vegetative structure S and photomicrograph B wastaken from structure T. Photomicrographs C to F show free individual cells found in T. (a)State twocommon features found in the photomicrographs that enable the student to diagnose thatthe cells of S and T are undergoing division.(2 marks)(b)(i)Identify the type of nuclear division found in the free individual cells of T. Give onepiece of evidence to support your identification.(2 marks) ……………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………….. Do not write in this margin (ii) State two ways in which this type of nuclear division is significant. (3 marks) ……………………………………………………………………………………………………………….. ……………………………………………………………………………………………………………….. ………………………………………………………………………………………………………………..
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