Download [PDF] November 2008 BMAT S2 Questions Scientific Knowledge and Applications BioMedical Admissions Test

File Information

Filename:	[PDF] November 2008 BMAT S2 Questions Scientific Knowledge and Applications BioMedical Admissions Test.pdf
Filesize:	229.81 KB
Uploaded:	08/08/2021 23:31:25
Keywords:	november 2008 bmat s2 questions scientific knowledge and applications biomedical admissions test pdf
Description:	Download file or read online BMAT past exam paper scientific knowledge and applications 4500/12 november 2008 questions section 2 - BioMedical Admissions Test
Downloads:	1

File Preview

Download Urls

Short Page Link

https://www.edufilestorage.com/3a6

Full Page Link

https://www.edufilestorage.com/3a6/PDF_November_2008_BMAT_S2_Questions_Scientific_Knowledge_and_Applications_BioMedical_Admissions_Test.pdf

HTML Code

<a href="https://www.edufilestorage.com/3a6/PDF_November_2008_BMAT_S2_Questions_Scientific_Knowledge_and_Applications_BioMedical_Admissions_Test.pdf" target="_blank" title="Download from eduFileStorage.com"><img src="https://www.edufilestorage.com/cache/plugins/filepreviewer/2158/pdf/150x190_middle_46f4e7862b1eb5bd4935adbbba5d79e8.jpg"/></a>

Forum Code

[url=https://www.edufilestorage.com/3a6/PDF_November_2008_BMAT_S2_Questions_Scientific_Knowledge_and_Applications_BioMedical_Admissions_Test.pdf][img]https://www.edufilestorage.com/cache/plugins/filepreviewer/2158/pdf/150x190_middle_46f4e7862b1eb5bd4935adbbba5d79e8.jpg[/img][/url]

[PDF] November 2008 BMAT S2 Questions Scientific Knowledge and Applications BioMedical Admissions Test.pdf | Plain Text

BioMedical Admissions Test 4500/02 Wednesday 5 th November 2008 Morning 30 minutes SECTION 2 Scientific Knowledge and Applications Instructions to Candidates Please read this page carefully, but do not open the question paper until you are told that you may do so. A separate answer sheet is provided for this section. Please check you have one. You also require a soft pencil and an eraser. Please first write your name, date of birth, BioMedical Admissions Test candidate number and centre number in the spaces provided on the answer sheet. Please write very clearly. Speed as well as accuracy is important in this section. Work quickly, or you may not finish the paper. There are no penalties for incorrect responses, only points for correct answers, so you should attempt all 27 questions. Unless otherwise stated, all questions are worth one mark. Answer on the sheet provided. Many questions ask you to show your choice between options by shading a circle (or circles, if specified in the question). If questions ask you to write in words or numbers, be sure to write clearly in the spaces provided. If you make a mistake, erase thoroughly and try again. Any rough work should be done on this question paper. Calculators are NOT permitted. Please wait to be told you may begin before turning this page. This paper consists of 17 printed pages and 3 blank pages. *8526376966*

BMAT 2008: Section 2 - © Copyright UCLES 2008 2 BLANK PAGE

BMAT 2008: Section 2 - © Copyright UCLES 2008 3 1 Which one of the following involves active transport? A movement of carbon dioxide into alveoli in the lungs B uptake of alcohol (ethanol) through the lining of the stomach C secretion of sweat onto the skin's surface D re-absorption of glucose in the kidney tubules E loss of urine from the urethra F transfer of oxygen into the blood from the alveoli 2 Element Y forms an ion Y 3- with the electronic configuration 2, 8, 8. To which group and period of the periodic table does Y belong? Group Period A 3 3 B 3 4 C 5 3 D 5 4 E 8 3 F 8 4

BMAT 2008: Section 2 - © Copyright UCLES 2008 4 3 A radioactive isotope X decays into the stable isotope Y with a half-life of 20 s. Which graph correctly shows how the mass (m) of Y present in an initially pure sample of X varies with time (t)? A 40 0 20 0 6080 1 00 75 50 25 m t/s 100 B 2575 50 40 0 20 0 6080 1 00 m t/s 100 C 20 0 10 0 30 40 75 50 25 m t/s 100 D 2575 50 20 0 10 0 30 4 0 m t/s 100 E 10 0 5 0 1 5 20 75 50 25 m t/s 100 F 2575 50 10 0 5 0 15 2 0 m t/s 100

BMAT 2008: Section 2 - © Copyright UCLES 2008 5 4 In the formula t r P2 2 = r = 3 x 10 -3 t = 2.5 x 10 4 Calculate the value of P. Leave your answer in standard form. A 7.5 x 10 -2 B 45 x 10 -2 C 75 x 10 -2 D 4.5 x 10 -1 E 7.5 x 10 -1 F 4.5 5 In mice the recessive form of a gene causes the death of the fetus if present in the homozygous state. Mice heterozygous for this gene were crossbred. What percentage of the live offspring would be homozygous dominant? A 0 % B 25 % C 33 % D 50 % E 66 % F 75 %

BMAT 2008: Section 2 - © Copyright UCLES 2008 6 6 Look at the equation for making chlorine gas and decide which answer will provide you with the numbers to balance it aKMnO 4 + bHCl Œ aKCl + aMnCl 2 + xH2O + yCl 2 A a = 1, b = 8, x = 4, y = 3 B a = 1, b = 8, x = 4, y = 4 C a = 1, b = 4, x = 2, y = 1 D a = 2, b = 16, x = 4, y = 6 E a = 2, b = 16, x = 8, y = 5 7 The n th term of a sequence is 1 + nn . What is the expression for the difference between the (n+1) th term and the n th term? A ()() 1 21 + +− n n B ()() 1 21 + +n n C ()() 1 2 2 + ++ n nn n D 2 1 2+ n E () 1 1 + n n

BMAT 2008: Section 2 - © Copyright UCLES 2008 7 8 The diagram shows a crane that lifts a load with a mass of 100 kg at a constant speed of 0.4 m/s for 5 seconds. (g=10 N/kg ) 100 kg Cable P Here are 3 statements about this activity: 1 The gain in gravitational potential energy of the load is 2000 J. 2 The tension in the cable at point P is 2000 N. 3 The load accelerates at 10 m/s2. Which statements is/are true? A 1 only B 2 only C 3 only D 1 and 2 E 1 and 3 F 2 and 3

BMAT 2008: Section 2 - © Copyright UCLES 2008 8 9 The graph shows oxygen supply and demand in muscle cells during exercise. Which statement correctly describes what is happening in the muscle cells between 0 and 11 minutes? A Anaerobic respiration only is taking place B More oxygen is being supplied than is required C Aerobic respiration only is taking place D Both anaerobic and aerobic respiration are taking place 10 Which one of the following would not be formed by cracking the hydrocarbon C 12H26? A CH 4 B C2H4 C C6H16 D C8H18 E C12H24 F H2

BMAT 2008: Section 2 - © Copyright UCLES 2008 9 11 Here are four statements about radioactivity: 1 A beta particle is an electron that is emitted from the outermost electron shell of an atom. 2 A beta particle is emitted from the nucleus of the atom when a proton changes into an electron. 3 A beta particle is emitted from the nucleus of the atom when a neutron changes into an electron. 4 After a beta particle is emitted the mass number of the nucleus of the atom is unchanged. Which statement(s) is/are true? A 1 only B 2 only C 3 only D 4 only E 1 and 2 F 3 and 4 12 During the breakdown of a solution containing carbohydrates, proteins and lipids by carbohydrase, protease and lipase enzymes, the pH changed from neutral due to the products formed. Which of the options, A to E, correctly shows which constituents contribute to the change in pH? Carbohydrate Protein Lipid A yes yes yes B no yes no C no no yes D yes yes no E no yes yes

BMAT 2008: Section 2 - © Copyright UCLES 2008 10 13 In the diagram below, the triangles are congruent, PQ is a continuation of NL and both L and P are equidistant from the line X = 0 and from the line Y = 0. L M N P QR x Of the transformations ( 1 to 5) described below, which one of the combinations ( A to E) will map the triangle LMN onto the triangle PQR ? 1 Reflection in the line y = 0 2 Rotation of 90º about the origin 3 Reflection in the line y = x 4 Reflection in the line x = 0 5 Rotation of 180º about the origin A 1 followed by 2 B 3 followed by 4 C 5 followed by 4 D 2 followed by 5 E 4 followed by 5

BMAT 2008: Section 2 - © Copyright UCLES 2008 11 14 In the manufacture of hydrogen from methane and steam, carbon monoxide is produced as an unwanted side product. The amount of carbon monoxide is reduced by mixing the gases with steam when the following reversible reaction takes place. CO (g) + H 2O (g) CO 2 (g) + H 2 (g) ∆H negative (exothermic) When this reaction reaches equilibrium, which of the following changes would result in more carbon monoxide being removed? A Adding a catalyst B Increasing pressure C Decreasing pressure D Decreasing temperature E Adding nitrogen at constant pressure 15 A car is accelerated from rest along a horizontal road by a constant thrust force produced by the engine. The car eventually reaches a terminal speed, and the graphs below show the variation with time of three quantities ( X, Y and Z) for the car: Which line in the table could correctly identify the quantities X, Y and Z? X Y Z A acceleration drag force kinetic energy B acceleration mass weight C potential energy velocity kinetic energy D potential energy drag force weight E resultant force mass kinetic energy F resultant force velocity weight X time Y time Z time

BMAT 2008: Section 2 - © Copyright UCLES 2008 12 16 A right-angled triangle is shown. 6+ 6 4 - 6Diagram not to scal e Calculate the area of the triangle. A 6 9− B 3 9− C 6 4 52+ D 6 9+ E 6 5 15+ 17 The reflex arc enables the body to make rapid responses to certain stimuli. 1 Sensory neurone 2 Motor neurone 3 4 5 Which row in the table correctly identifies the elements 1 to 5 in the reflex arc shown above? receptor response stimulus muscles CNS A 5 4 3 2 1 B 2 5 1 4 3 C 1 4 3 2 5 D 5 1 2 3 4 E 1 2 5 4 3 F 2 5 1 3 4

BMAT 2008: Section 2 - © Copyright UCLES 2008 13 18 The general formula for the alkane series is C nH2n+2 The amide series has the same saturated structure as the alkanes but with one H substituted by the -CONH 2 group. What is the general formula for the amide series? A CnH2nON B CnH2n+2 ON C CnH3n-1 ON D Cn+1 H2nON E Cn+1 H2n+1 ON F Cn+1 H2n+3 ON 19 I stop while out walking and take the bearing of a windmill and note it as θ º. I then walk 5 km north and take the bearing again – it is now 2 θ. How far away, in km, was the windmill from the position where I took the first bearing? A 5 cos θ B 5 cos 2 θ C 10 cos θ D 5 sin 2 θ E 10 sin θ

BMAT 2008: Section 2 - © Copyright UCLES 2008 14 20 The diagram below shows three identical resistors and a battery that supplies a constant 12 V. 12 V XZ Y With the switch open, as shown, the current in resistor Y is 20 mA . When the switch is closed, what is the current in resistor X, and what is the potential difference (voltage) across resistor Z? Current in X (mA ) Potential difference across Z (V) A 13 ⅓ 4 B 13 ⅓ 6 C 20 4 D 20 6 E 30 4 F 30 6

BMAT 2008: Section 2 - © Copyright UCLES 2008 15 21 The four statements are about the movement of blood during one complete circuit of the body. 1 Blood flowing from the lungs flows through the heart twice. 2 All the blood flowing from the lungs flows through the kidneys. 3 All the blood flowing from the liver flows through the lungs. 4 Only blood flowing from the digestive system flows through the liver. Which of the above statements are correct? A 1 and 2 only B 1 and 3 only C 1 and 4 only D 2 and 3 only E 2 and 4 only F 3 and 4 only 22 In addition to diamond and graphite, another allotrope of carbon is Buckminster fullerene, C 60, which is in the shape of a sphere. Which one of the following statements applies to all three allotropes? A Weak intermolecular forces hold the structures together. B Carbon atoms are bonded to four other carbon atoms. C They have similar physical properties. D They all react with O 2 to give the same products. E They are electrical insulators.

BMAT 2008: Section 2 - © Copyright UCLES 2008 16 23 A lorry of mass m, and travelling initially at speed v along a horizontal road, is brought to rest by an average braking force F in time t. Ignoring any other resistive forces, what distance is travelled by the lorry during this time? A mgF B F mgv C F mv2 2 D g v 2 2 E vt F 2vt 24 A quadratic equation has solutions a and b. a + b = -5 ab = 3 What is the equation? A x2 + 5 x + 3 = 0 B x2 - 5 x - 3 = 0 C x2 - 5 x + 3 = 0 D x2 + 3 x + 5 = 0 E x2 + 5 x - 3 = 0 F x2 + 3 x - 5 = 0

BMAT 2008: Section 2 - © Copyright UCLES 2008 17 25 Red-green colour blindness is a condition caused by a recessive allele. The gene is carried on the X chromosome. A man is red-green colour blind, which of his relatives must carry the recessive allele? A father and grandfather B mother and grandmother C son and daughter D mother and daughter E father and son F brother and sister 26 A sample of an alkali XOH of mass 2.8 g was dissolved in water. This solution was neutralised by 12.5 cm 3 of sulphuric acid of concentration 2.0 mol dm -3. 2 XOH (aq) + H 2SO 4 (aq) → X2SO 4 (aq) + 2 H 2O (l) What is the relative atomic mass of X? (A r : H = 1, O = 16, S = 32) A 13 B 26 C 39 D 52 E 65 F 78

BMAT 2008: Section 2 - © Copyright UCLES 2008 18 27 Taking the speed of sound in air as 300 m/s and in steel as 4800 m/s. A worker lies next to a railway line and hears the whistle of a train through the steel rails and 1.5 s later hears the same whistle through the air. How far away was the train when its whistle sounded? A 200 m B 450 m C 480 m D 4500 m E 6750 m F 7200 m

BMAT 2008: Section 2 - © Copyright UCLES 2008 19 BLANK PAGE

BMAT 2008: Section 2 - © Copyright UCLES 2008 20 BLANK PAGE