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Environmental Pollution

ADVANCED SUBSIDIARY GCE

2802

BIOLOGY
Human Health and Disease MONDAY 4 JUNE 2007
Additional materials: Electronic calculator Ruler (cm/mm)

Morning Time: 1 hour

INSTRUCTIONS TO CANDIDATES • • • • • • • Write your name, Centre Number and Candidate Number in the boxes above. Answer all the questions. Use blue or black ink. Pencil may be used for graphs and diagrams only. Read each question carefully and make sure you know what you have to do before starting your answer. Do not write in the bar code. Do not write outside the box bordering each page. WRITE YOUR ANSWER TO EACH QUESTION IN THE SPACE PROVIDED. FOR EXAMINER’S USE ANSWERS WRITTEN ELSEWHERE WILL NOT BE MARKED.
Qu. 1 2 3 4 5 6 TOTAL Max. 8 10 12 10 10 10 60 Mark

INFORMATION FOR CANDIDATES • • • • The number of marks for each question is given in brackets [ ] at the end of each question or part question. You will be awarded marks for the quality of written communication where this is indicated in the question. You may use an electronic calculator. You are advised to show all the steps in any calculations.

This document consists of 12 printed pages and an insert.
SPA (MML 12592 1/06) T23272/4 © OCR 2007 [F/100/3765] OCR is an exempt Charity

[Turn over

2 Answer all the questions.

1

(a) Table 1.1 shows a number of categories of disease, a definition of each category and one example of a disease that fits into each category. Complete the table. Table 1.1 category deficiency definition of disease category diseases caused by poor diet diseases caused by a genetic fault passed from the parents ................................................................ degenerative ................................................................ ................................................................ infectious diseases that are transmitted by a pathogenic organism which invades the body diseases caused by changes to the mind .................................... Huntington’s disease one...