AES Pure Bio 2024 P1, P2, MS

Name: ............................................................. ( ) ASSUMPTION ENGLISH SCHOOL PRELIMINARY EXAMINATION 2024 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: 27 August 2024 CLASS: Sec 4/1 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. This Question Paper consists of 24 printed pages including this page. [Turn over

2 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 the OAS paper provided. 1 The diagram shows an electron micrograph of an animal cell. Which row shows the correct identity of 1, 2, 3 and 4? 1 2 3 4 A ribosome smooth endoplasmic reticulum rough endoplasmic reticulum chloroplast B chloroplast smooth endoplasmic reticulum Golgi apparatus mitochondrion C vacuole Golgi apparatus rough endoplasmic reticulum mitochondrion D vacuole rough endoplasmic reticulum smooth endoplasmic reticulum chloroplast 2 Which cells contain DNA? 1 guard cell 6093/01/4E/PRELIM/24

3 2 palisade mesophyll cell 3 sieve tube cell 4 xylem cell A 1 and 2 B 1 and 3 C 2 and 4 only D 2, 3 and 4 3 A peeled potato shaped into a cup was placed in a container. Salt solutions of varying concentrations were poured into the centre of the potato and the rest of the container. The water potential of the potato flesh was determined to be similar to that of a salt solution with a concentration of 0.4 mol/dm 3 . Which row shows the possible concentrations of solutions P and Q ? solution P solution Q A 0.1 mol/dm 3 0.3 mol/dm 3 B 0.2 mol/dm 3 0.6 mol/dm 3 C 0.4 mol/dm 3 0.8 mol/dm 3 D 0.8 mol/dm 3 0.2 mol/dm 3 6093/01/4E/PRELIM/24 [Turn Over

4 4 Identical potato strips were placed in sucros