AES_2019_Bio_Prelim_P1_QP

Name: ............................................................. ( ) This Question Paper consists of 17 printed pages including this page. [Turn over ASSUMPTION ENGLISH SCHOOL PRELIMINARY EXAMINATION 2019 BIOLOGY 6093 / 01 ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL LEVEL: Sec 4 Express DATE: 2 September 2019 CLASS: Sec 4/2 DURATION: 1 hour Additional Materials provided: 1 sheet of OAS paper INSTRUCTIONS TO CANDIDATES Do not open this booklet until you are told to do so. Write your NAME and INDEX NUMBER at the top of this page and on the OAS paper. Shade your index number on the OAS paper. PAPER 1 (40 marks) MULTIPLE CHOICE QUESTIONS There are 40 questions in this paper. Answer all questions. For each question, there are four possible answers A, B, C and D. At the end of the examination, hand in your OAS paper and question booklet separately. www.KiasuExamPaper.com 3

2 6093/01/4E/PRELIMS/19 MULTIPLE-CHOICE QUESTIONS [40 marks] For each question, there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in t he OAS paper provided. 1 Four statements about mitochondria are listed as shown. Which statements are correct? 1 Detoxification of metabolic waste takes place in the mitochondria. 2 The main function of mitochondria is to synthesise proteins. 3 There is a high concentration of mitochondria in root hair cells to assist the roots to take in water. 4 There is a lower concentration of oxygen in the mitochondria as compared to the cytoplasm near the cell membrane. A 1 and 2 only B 1, 3 and 4 only C 3 and 4 only D 4 only 2 Which sequence shows the correct order of increasing size and complexity? A cells Æ organelles Æ organs Æ tissues Æ systems B cells Æ tissues Æ organelles Æ organs Æ systems C organelles Æ cells Æ tissues Æ organs Æ systems D tissues Æ cells Æ organs Æ organelles Æ systems 3 What can be found in a mature red blood cell? A antibodies and mitochondria B carbonic anhydrase and cell membrane C cell membrane and nucleus D haemoglobin and fibrinogen www.KiasuExamPaper.com 4

3 6093/01/4E/PRELIMS/19 [Turn Over 4 Which is an example of diffusion in a plant? A carbon dioxide from the air moving into a photosynthesising leaf B minerals in xylem moving up the stem to leaves C sugars in phloem moving from leaves to roots D water in xylem moving from roots to leaves 5 The figure shows four sections of the mustard green stem before and after immersion in solutions P, Q, R and S of differe