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Biology · 1991 · May · Paper 1 · SL · Question paper

BiologyQuestion paper1991SLMay

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This question paper is listed under Biology in the 1991 examination archive. Its catalogue level is SL. The catalogue session is May. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

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INTERNATION.' L BACCAI-AUREATE BIOLOGY Subsidiary Level Wedne¡day 8 Mey 19fr1 (aftemoon) Paper 1 45 minutes INSTRUCTIONS There are 30 questions in this papar and you should attempt the¡n all. For each question the,ra ere 4 suggcsted answ¿ts. Read .ech gucstion ctrcfully. Whcn you have selected the answer you consider to ba the best, indicete yout choica on the answet sheet provided. Choose only ona answer for each question. Your score fot th¡s papü will depend on the totel numbe¡ of conect answers given. ALL ANSWERS MUST BE GIVEN ON THE SPECIAL ANSWER SHEEr This paper contains 9 pages TURN OVER l. Hydrochloric acid secrered in the sromach is an A. pepsin into pepsinogen. B. pepsinogen into pepsin. C. proteins into aminoacids. D. mattose into glucose. imponant faaor in the transformation of 2. The end product of starch digestion is A. maltose. B. maltase. C. glycerol. D. glucose. Plasma and lymph fluids are different in that A. plasma contains proteins and leucocües. lymph contains er,vthroctres and proteins. B. plasma contains proieins, water. minerals and nutnents, Iymph contains water and hormones. C. lymph is the intercellular fluid, plasma is the liquid part of the biood. D. l.v'moh contains only' l¡"mphocltes, plasma contains erlthrocles and leucocytes. Which one of rhe follo*'ing blood transiusions is possible without risk of agglutination? A. B. C. D. Air enters the lungs of a Mammal because A. it is pushed along the trachea by swallowing. B. in inspiration the lungs expand forcing
File information
Subject
Biology
Document type
Question paper
Year
1991
Session
May
Level
SL
Paper
1
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
3.6 MB
Pages
9
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