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 diagram shows a view from the front of a section through the heart and associated blood vessels.

1. Which sequence of numbers shows the course of blood flow from the point of entry to the heart from the lungs, to its eventual exit from the heart to supply the lungs?
  • 1
    0

    Explanation

    The correct answer is B.

    Post Comment

    The right-angled triangle shown has horizontal and vertical sides measuring (4 + √2) cm and (2 – √2) cm respectively.

    (not to scale)

    2. Calculate the area of the triangle.
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    Explanation

    The correct answer is B.

    Post Comment

    The equation summarises the reaction of copper and dilute nitric acid.

    q Cu + r HNO3 s Cu(NO3)2 + 6 H2O + t NO2

    3. What values of q, r, s and t are needed to balance the equation?
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    Explanation

    The correct answer is B.

    Post Comment

    The diagram shows a simplified version of the brake pedal of a car.

    4. A driver applies a force of 60 N to the pedal. What force is applied to the piston?
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    Explanation

    The correct answer is E.

    Post Comment

    During the electrolysis of hydrochloric acid, positively charged hydrogen ions move towards the cathode at a rate of 1018 ions per second. Negatively charged chloride ions move towards the anode at the same rate. Both hydrogen and chloride ions carry charges of magnitude 1.6 × 10-19 C.

    5. What is the resulting current flow between the electrodes?
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    Explanation

    The correct answer is B.

    Post Comment

    The diagram shows a section through the thorax.

    muscle X muscle Y pressure Z
    A contracts contracts

    increases

    B

    contracts relaxes increases
    C relaxes contracts

    decreases

    D

    relaxes relaxes decreases
    E relaxes relaxes

    increases

    6. When breathing out (expiring), what happens to the muscles at X and Y and the pressure at Z?
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    Explanation

    The correct answer is E.

    Post Comment

    The table shows some properties of five substances AE.

    i. An inorganic substance with a giant molecular structure;

    ii. A metal;

    iii. An ionic compound;

    iv. A liquid at room temperature and atmospheric pressure.

    7. From the substances in the table, select the substances that could be:
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    Explanation

    The correct answer is B.

    Post Comment

    An oxide of tungsten contains 79.31% by mass of tungsten.

    8. What is the formula of this oxide? (relative atomic masses: O = 16; W = 184)
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    Explanation

    The correct answer is E.

    Post Comment

    A ball is thrown vertically upwards and leaves the thrower’s hand with a speed of 12 m/s. Calculate the height to which it rises. You may assume that all of the initial kinetic energy of the ball has been converted into gravitational potential energy when the ball reaches its highest point. (Take the value of g to be 10 N/kg.)

    9.
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    Explanation

    The correct answer is B.

    Post Comment

    The diagram shows two sets of parallel lines. Angles θ, α, β and γ are as marked.

    10. Which of the following statements are true? (shade all that apply)
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    Explanation

    The correct answer is A & B.

    Post Comment

    One of the steps in the breakdown of glucose is the conversion of pyruvic acid, CH3COCO2H, into lactic acid, CH3CH(OH)CO2H.

    11. This is an example of:
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    Explanation

    The correct answer is B.

    Post Comment

    The diagram shows a family tree.

    The grandfather, individual 1, carries a recessive allele on his X chromosome.

    A

    3,4,5,6
    B

    3,4,5,7

    C

    4,5,6,8
    D

    4,5,8,9

    E

    5,8,9,10
    F

    6,8,9,11

    12. Which other individuals could have inherited this allele?
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    Explanation

    The correct answer is D.

    Post Comment

    Solve the inequality

    x2 ≥ 8 – 2x

     

    13.
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    Explanation

    The correct answer is D.

    Post Comment

    Plugs of cotton wool containing concentrated aqueous ammonia and concentrated hydrochloric acid are placed at opposite ends of a tube, at room temperature.

    A white ring of solid ammonium chloride forms nearer the hydrochloric acid.

    14. Which of the following can be deduced from this experiment?
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    Explanation

    The correct answer is D.

    Post Comment

    In these circuits the cells are identical and their internal resistances can be ignored.

    15. Indicate whether each of the statements below is true or false for the circuits shown.
    When switch S₁ is closed, the reading on voltmeter V₁ will increase.
    When switch S₁ is closed, the reading on ammeter A₁ will increase.
    When switch S₂ is closed, the reading on ammeter A₂ will increase.
    When switch S₂ is closed, the reading on ammeter A₃ will decrease.
    When switch S₃ is closed, the reading on ammeter A₂ will increase.
    Yes
    No
    1
    4

    Explanation

    The correct answer is C.

    Post Comment

    In 2001 a quarter of the population of Wales reported having a limiting long-term illness or disability which restricted their daily activities.

    16. What is the probability that out of a random group of three people who live in Wales, exactly one of them will have reported such an illness or disability?
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    Explanation

    The correct answer is B.

    Post Comment

    A parachutist of total mass 90 kg (including the parachute) is falling at a terminal velocity of 6 m/s. Take the force due to gravity on a mass of 1 kg to be 10 N.

    17. What is the magnitude of the air resistance force acting on her?
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    Explanation

    The correct answer is D.

    Post Comment

    The general formula for the alkane series of hydrocarbons is CnH2n+2

    The primary amine series has the same saturated structure as the alkanes, but also contains an –NH2 group.

    18. What is the general formula for the primary amine series?
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    Explanation

    The correct answer is D.

    Post Comment

    The diagram shows three sperm and three ova containing sex chromosomes X and Y (not drawn to scale).

    19. Indicate the letters (A to F) of all the sex cells which are normal.
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    Explanation

    The correct answer is B.

    Post Comment

    Which one of the following is not a measure of electrical power? 

    (V = potential difference, I = current, Q = charge, t = time, R = resistance)

    20.
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    Explanation

    The correct answer is C.

    Post Comment

    Which blood vessel will have capillaries at both ends?

    21.
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    Explanation

    The correct answer is D.

    Post Comment

    Nuclide P decays by emission of ionising radiation to produce nuclide Q. This new nuclide then decays by further emission into nuclide R. The process is shown below, with the appropriate mass numbers (nucleon numbers) and atomic numbers (proton numbers).

    AZ P→Z+A1 Q→ZX1 R

    first decay second decay value X
    A alpha alpha

    A

    B

    alpha alpha A – 2
    C alpha beta

    A – 4

    D

    beta beta A
    E beta alpha

    A – 2

    F

    beta alpha

    A – 4

    22. Which line in the table shows the type of particle emitted at each stage, and the value of X?
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    Explanation

    The correct answer is F.

    Post Comment

    In water, the Fe2+ ion bonds with water to form Fe(H2O)62+. In haemoglobin in the blood, five of the water molecules have been displaced. In the presence of air, the last water molecule is displaced by oxygen to give oxyhaemoglobin. In the presence of carbon monoxide, the oxygen is displaced to give carboxyhaemoglobin.

    weakest →  strongest

     

    23. Which of the following shows the correct order of the strength of the bonding to the Fe²⁺ ion (weakest first)?
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    Explanation

    The correct answer is E.

    Post Comment

    The diagram shows the leg muscles of an athlete leaving the starting blocks for a race.

    muscles that contract muscles that relax
    A P,Q,R

    S, T

    B

    T, P Q,R,S
    C Q,R,T

    P, S

    D

    R, S P,Q,T
    E Q,R,S

    P, T

    24. Which muscles contract and which relax to bring about the change from position 1 to position 2?
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    Explanation

    The correct answer is C.

    Post Comment

    For a rigid body performing small oscillations about a fixed horizontal axis, the period of oscillations is given by

    where h is the distance of the centre of mass from the axis, g is the acceleration due to gravity, and k is the radius of gyration of the body about a parallel axis through the centre of mass.

    25. Rearrange the formula to make k the subject.
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    Explanation

    The correct answer is D.

    Post Comment
    anonymous Medicmind Tutor

    Mon, 11 Oct 2021 11:49:53

    please could you add working out to section 2 questions

    The list below describes some events that occur during nuclear division.

    i. Daughter nuclei are identical to parent nucleus

    ii. All chromosomes are replicated

    iii. Leads to the formation of gametes

    iv. Two haploid nuclei are formed

    v. Genetic material appears as distinct chromosomes

    26. Indicate, by shading the appropriate circles on the answer sheet, which events occur during mitosis and which occur during meiosis.
    Mitosis - daughter nuclei are identical to parent nucleus
    Mitosis - all chromosomes are replicated
    Mitosis - leads to the formation of gametes
    Mitosis - two haploid nuclei are formed
    Mitosis - genetic material appears as distinct chromosomes
    Meiosis - daughter nuclei are identical to parent nucleus
    Meiosis - all chromosomes are replicated
    Meiosis - leads to the formation of gametes
    Meiosis - two haploid nuclei are formed
    Meiosis - genetic material appears as distinct chromosomes
    Yes
    No
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    Explanation

    The correct answer is

    Post Comment

    The sum of the roots of a quadratic equation is 7, the product of the roots is 9.

    27. What is the equation?
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    Explanation

    The correct answer is C.

    Post Comment

    BMAT 2004 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 2004 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 2004 S2 Section

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