BMAT 2003-S2

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BMAT 2003 S2

BMAT 2003 S2

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This section is Section 2 of 3.

Speed as well as accuracy is important in this section. Work quickly, or you might not finish the paper. There are no penalties for incorrect responses, only marks for correct answers, so you should attempt all 27 questions. Each question is worth one mark.

You must complete the answers within the time limit. Calculators are NOT permitted.

Good Luck!

Note – if press “End Exam” you can access full worked solutions for all past paper questions

The table below shows the proportions of undigested and digested carbohydrates, fats and proteins in three regions of the digestive system.

	1	2	3
A	protein	fat	starch
B	starch	protein	fat
C	protein	starch	fat
D	fat	protein	starch
E	starch	fat	protein
F	fat	starch	protein

1. Which row of the table below correctly identifies the types of nutrient 1, 2 and 3?

A. Protein, Fat, Starch

B. Starch, Protein, Fat

C. Protein, Starch, Fat

D. Fat, Protein, Starch

E. Starch, Fat, Protein

F. Fat, Starch, Protein

Explanation

The correct answer is B.

Looking at the first column titled ‘mouth’, only digested food of nutrient 1 is present, whilst nutrients 2 and 3 remain fully digested. Only starch is digested in the mouth (by salivary amylases), therefore nutrient 1 must be starch. So the answer must be B or E. Looking at the second column titled ‘stomach’, nutrient 2 is partially digested whilst nutrient 3 remains fully undigested. Only proteins are digested in the stomach (by proteases such as pepsin), therefore nutrient 2 must be protein. Therefore B is the correct answer.

Post Comment

The mass of an atom of uranium is 4 x 10^-25kg?

2. What is the mass, in milligrams, of 8 million atoms of uranium?

A. 3.2 10⁻¹⁸

B. 3.2 10⁻¹⁷

C. 3.2 10⁻¹⁶

D. 3.2 10⁻¹⁵

E. 3.2 10⁻¹²

Explanation

The correct answer is E.

Post Comment

What values of a, b and c are needed to balance the equation?

aC₃H₆ + bO₂ 6CO₂ + cH₂O

A. A=1, B=19, C=6

B. A=2, B=9, C=6

C. A=2, B=8, C=3

D. A=4, B=6, C=8

Explanation

The correct answer is B.

Post Comment

The diagram shows a uniform beam pivoted at its centre. The bar weighs 800N, and three other forces act on it as shown. Distance x can be varied.

4. What value of distance x would cause the beam to be balanced?

A. 5 cm

B. 10 cm

C. 20 cm

D. 30 cm

E. 40 cm

Explanation

The correct answer is B.

Post Comment

The colours of the three indicators at different pH are shown in the following table.

5. Equal volumes of these three indicators were mixed and the mixture was added to a solution of pH 5.0. What colour would be seen?

A. Blue

B. Green

C. Orange

D. Yellow

Explanation

The correct answer is D.

Post Comment

A horse of weight 6000 N gallops at a speed of 16 m/s. Taking the acceleration of free fall as 10 m/s², calculate the kinetic energy of the horse. (Give your answer in kJ.)

A. 66.8 kJ

B. 76.8 kJ

C. 86.8 kJ

D. 96.8 kJ

Explanation

The correct answer is B.

Post Comment

The diagram shows the menstrual (oestrus) cycle for a human female who is not pregnant.

7. During which period, A, B, C or D, will the concentration of oestrogen reach its highest level?

Explanation

The correct answer is B.

Post Comment

uıu Medicmind Tutor

Sat, 18 Feb 2023 01:11:09

ujk

Three resistors of equal value are connected up as shown.

8. Arrange the letters corresponding to the four combinations in increasing order of resistance (least resistance first).

A. B, C, A, D

B. A, C, B, D

C. D, C, A, B

D. A, D, B, C

Explanation

The correct answer is B.

For 2 parallel resistors, the total resistance can be calculated using the following equation.

Let the resistance of one resistor be 1

A: (1/1) + (1/1) + (1/1) = 3 -> 1/3

B: Parallel section: (1/1) + (1/1) = 2 -> 1/2 Total: 1/2 + 1 = 3/2

C: (1/2) + (1/1) = 3/2 -> 2/3

D: 1 + 1 + 1 = 3

Post Comment

FYI this is not an explanation Medicmind Tutor

Sat, 30 Oct 2021 15:10:22

This is not an explanation

Ammonia is manufactured from the reaction between nitrogen and hydrogen.

N₂ + 3H₂ ⇌ 2NH₃

9. What is the maximum mass of ammonia that can be obtained from a mixture of 56 g of nitrogen with 9 g of hydrogen? (Relative atomic masses: H = 1; N = 14.)

A. 34 g

B. 51 g

C. 65 g

D. 68 g

Explanation

The correct answer is B.

Post Comment

Which one of these graphs could be a sketch of the graph of the function y = 2^x ?

10.

Explanation

The correct answer is B.

Post Comment

Three of the characteristic phenomena demonstrated by waves are reflection, refraction and diffraction.

11. How many of these phenomena cause the frequency of the wave to change?

A. 0

B. 1

C. 2

D. 3

Explanation

The correct answer is A.

Post Comment

In the citric acid cycle, succinic acid, C₄H₆O₄, is converted into fumaric acid, C₄H₄O₄.

12. This is an example of which one of the following chemical changes?

A. Oxidation

B. Reduction

C. Neutralisation

D. Dehydration

Explanation

The correct answer is A.

Post Comment

Solve the inequality

x² ≥ 8 – 2x

13.

A. x ≥ 4

B. x ≤ 2 and x ≥ -4

C. x ≥ -2 and x ≤ 4

D. x ≥ 2 or x ≤ -4

Explanation

The correct answer is D.

Post Comment

aria Medicmind Tutor

Thu, 21 Sep 2023 13:01:16

why no explanation

The diagram shows the inheritance of a condition in a family.

14. (i)-Identify the three individuals who must be heterozygous for this condition.

A. 2, 3 & 4

B. 3, 4 & 5

C. 6, 7 & 8

D. 1, 2 & 3

Explanation

The correct answer is B.

Post Comment

The diagram shows the inheritance of a condition in a family.

14. (ii)-What are the chances that a second child of individuals 3 and 4 will be a female who has this condition?

A. 1 in 1 (100%)

B. 1 in 2 (50%)

C. 1 in 3 (33.3%)

D. 1 in 4 (25%)

E. 1 in 8 (12.5%)

Explanation

The correct answer is E.

Post Comment

In an experiment concerning radioactive decay, the count rate of radiation 5 cm from a source X was measured as 140 counts per minute. 12 minutes later, with the detector in the same position, the count rate was measured as 35 counts per minute.

Background radiation was recorded as 20 counts per minute.

15. Calculate the half-life of source X. (Give your answer in minutes.)

A. 2 minutes

B. 4 minutes

C. 6 minutes

D. 8 minutes

Explanation

The correct answer is B.

Post Comment

The graph shows the solubility of potassium chlorate(V).

A sample of potassium chlorate(V) weighing 80 g was added to 200 g of water at 70 C.

The solution was allowed to cool to 20 C.

16. What mass of crystals was formed?

A. 80 g

B. 40 g

C. 26 g

D. 17 g

E. 13 g

Explanation

The correct answer is C.

Post Comment

Which one of the following is not equal to volts?

17.

A. Joules / Coulombs

B. Amperes x Ohms

C. Watts / Amperes

D. √Watts x Ohms

E. √Watts / Coulombs

Explanation

The correct answer is E.

Post Comment

FATEME Medicmind Tutor

Fri, 09 Sep 2022 19:50:36

D is not equal to volt

The antidiuretic hormone (ADH) is produced by the pituitary gland and its target organ is the kidney. ADH leaves the head in the jugular vein.

A. Aorta

B. Pulmonary artery

C. Pulmonary vein

D. Renal artery

E. Vena cava

18. In what order will the hormone pass through the following blood vessels to reach its target?

A. E, D, C, A, B

B. E, B, C, A, D

C. A, B, E, A, C

Explanation

The correct answer is B.

1st Jugular vein

2nd E

3rd B

4th C

5th A

6th D

Post Comment

The energy in joules (E) associated with a photon of radiation is related to its frequency in hertz (f) by the equation: f = ^E/_h where h is a constant (6.63 10^-34).

19. What is the energy of a photon of radiation if 5 waves of this radiation are produced in 1 x 10⁻¹³ sec?

A. 1.33 10⁻²¹ J

B. 6.63 10⁻²¹ J

C. 3.32 10⁻²⁰ J

D. 1.51 10⁴⁶ J

E. 7.54 10⁴⁶ J

Explanation

The correct answer is C.

Post Comment

The electronic configuration of an isolated, non-ionised, atom is shown below:

20. In which group and in which period of the periodic table is this atom situated?

A. 2, 4

B. 2, 6

C. 4, 2

D. 4, 6

E. 6, 2

F. 6, 4

Explanation

The correct answer is C.

Post Comment

Diagrams 1 to 5 show five types of levers.

Diagram 6 shows the bones of the arm with arrows showing its movement up and down.

	up	down
A	1	2
B	1	3
C	2	3
D	3	4
E	3	5
F	5	2

21. Which two levers would be involved in the forcible up and down movement?

A. 1, 2

B. 1, 3

C. 2, 3

D. 3, 4

E. 3, 5

F. 5, 2

Explanation

The correct answer is E.

Post Comment

In an a.c. generator driving a resistive load a coil is rotated slowly between the poles of a magnet.

1. The frequency of the a.c.

2. The amplitude of the a.c.

3. The output e.m.f. of the generator

22. Which of the following will increase if the coil is rotated more quickly?

A. 1

B. 1 and 2

C. 1 and 3

D. 2 and 3

E. 1, 2 and 3

Explanation

The correct answer is E.

Post Comment

The reactivity of the alkali metals (group 1) increases as the atomic number increases.

23. Which one of these statements is the correct explanation of this fact?

A. The atoms have only one electron in the outer orbit / energy level.

B. They are the most reactive of all the groups of metals in the periodic table.

C. The number of neutrons in the nuclei increases.

D. The atomic mass increases.

E. The outer orbit / energy level is further from the nucleus.

Explanation

The correct answer is E.

Post Comment

Which set of events occurs during exhalation?

	volume of	diaphragm	pressure in	ribs pivot
	thorax	becomes	thorax
A	decreases	more convex	increases	down and outwards
B	increases	less convex	decreases	up and outwards
C	decreases	more convex	increases	down and inwards
D	increases	more convex	decreases	up and inwards
E	decreases	less convex	increases	down and outwards
F	increases	less convex	decreases	up and inwards

24.

A. Decreases, More convex, Increases, Down and outwards

B. Increases, Less convex, Decreases, Up and outwards

C. Decreases, More convex, Increases, Down and inwards

D. Increases, More convex, Decreases, Up and inwards

E. Decreases, Less convex, Increases, Down and outwards

F. Increases, Less convex, Decreases, Up and inwards

Explanation

The correct answer is C.

Post Comment

Simplify

25.

A. 4x⁶y⁵ / z²

B. 4x³y⁶ / z

C. 4x³y⁵ / z

D. 4x⁵⁄₂ y⁵ / z

Explanation

The correct answer is B.

Post Comment

The bar charts X and Y show the concentration of five substances in the blood before and after passing through two organs.

26. What are the organs X and Y through which the blood has passed?

A. Heart, Lung

B. Kidney, Liver

C. Kidney, Lung

D. Liver, Kidney

E. Lung, Heart

F. Lung, Liver

Explanation

The correct answer is C.

Post Comment

A parachutist falls from an aircraft and reaches a terminal velocity. After a while he opens his parachute and reaches a new (lower) terminal velocity.

27. Which graph shows how the air resistance (drag) force acting on him varies with time during the fall?

Explanation

The correct answer is A.

Post Comment

The enamel on teeth treated with fluorine may include fluoroapatite, which contains Ca²⁺, PO₄^3- and F^–ions.

28. Which one of the following is a possible formula for fluoroapatite?

A. Ca(PO₄)F

B. Ca₃(PO₄)₂F

C. Ca₅(PO₄)₃F

D. Ca₇(PO₄)₅F

Explanation

The correct answer is C.

Post Comment

In triangle PQR

QPR = 60

PQR = 45

QRP = 75

RQ = √6 units

29. Given that cos 60 is ½, find the length of side PR. (The diagram is not drawn to scale.)

A. 2

B. √3

C. √2

D. √6

Explanation

The correct answer is A.

Post Comment

BMAT 2003 S2 Review Screen

Instructions

Below is a summary of your answers. You can review your questions in three (3) different ways.

The buttons in the lower right-hand corner correspond to these choices:

1. Review all of your questions and answers.
2. Review questions that are incomplete.
3. Review questions that are flagged for review. (Click the 'flag' icon to change the flag for review status.)

You may also click on a question number to link directly to its location in the exam.

BMAT 2003 S2 Section

Final Answer Review Screen

Instructions

This review section allows you to view the answers you made and see whether they were correct or not. Each question accessed from this screen has an 'Explain Answer' button in the top left hand side. By clicking on this you will obtain an explanation as to the correct answer.

At the bottom of this screen you can choose to 'Review All' answers, 'Review Incorrect' answers or 'Review Flagged' answers. Alternatively you can go to specific questions by opening up any of the sub-tests below.

BMAT 2003 S2 Section

TI-108

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MRC

M-

M+

ON/C

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Section Breakdown

BMAT 2003 S2

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BMAT 2003 S2 Review Screen

Instructions

BMAT 2003 S2 Section

Final Answer Review Screen

Instructions

BMAT 2003 S2 Section

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