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B1C1P1 January 08 QP Legacy

 Essay about B1C1P1 January 2008 QP Legacy

They would

B621/02

BASIC CERTIFICATE OF SECONDARY EDUCATION

GATEWAY SCIENTIFIC RESEARCH

SCIENCE M

UNIT 1: Modules B1 C1 P1 (Higher Tier)

TUESDAY 12-15 JANUARY 08

Afternoon

Period: 1 hour

*CUP/T45720*

Candidates response on the query paper.

Further materials (enclosed):

None

Calculators may be used.

Added materials: Pen

Ruler (cm/mm)

INSTRUCTIONS TO CANDIDATES

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•

•

•

•

•

•

Write name in capital letters, your Centre Number and Candidate Number in the boxes previously mentioned. Use blue or black ink. Pen may be used pertaining to graphs and diagrams only. Read every question carefully and make sure you are aware what you should do before starting the answer.

Answer all the questions.

Usually do not write inside the bar rules.

Do not create outside the box bordering each site.

Write the answer to each question inside the space provided.

INFORMATION FOR CANDIDATES

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The amount of marks for every single question is given in brackets [ ] at the end of each question or part question.

The total quantity of marks for this paper is definitely 60.

A list of physics equations is printed on page two.

The Periodic Table is definitely printed on the back site.

FOR EXAMINER'S USE

Section

Max

A

20

N

20

C

20

TOTAL

60

Tag

This doc consists of 23 printed pages and you blank web page. SPA SJF4655/CGW T45720/3

В© OCR 08 [H/103/4250]

OCR is a great exempt Charitable trust

[Turn over

2

EQUATIONS

performance =

beneficial energy outcome

total energy input

energy = mass Г— particular heat ability Г— temperature change strength = mass Г— specific latent heat

fuel strength input = waste strength output + electrical energy result power sama dengan voltage Г— current

strength supplied sama dengan power Г— time

strength (kilowatt hours) = electric power (kW) Г— time (h)

wave velocity = frequency Г— wavelength

В© OCR 2008

three or more

Answer all the questions.

Section A – Component B1

one particular

Claudia a new motor-cycle car accident and had to acquire one of her arms taken off. This arm has been replaced by an artificial equip.

Scientists have got managed to reunite Claudia's nervousness to the unnatural arm. Claudia can now control the activity of her artificial arm by thinking about it. (a) The nerves in Claudia's healthy and balanced arm consist of different types of neural cells (neurones). Look at the list of neurones.

motor neurone

relay neurone

sensory neurone

Put a ring about the type of neurone that takes signals to Claudia's muscle groups.

[1]

(b) Claudia touches a warm object with her manufactured arm.

The lady does not immediately move her arm apart.

Suggest so why.

................................................................................................................................................................................................................................................................................................. [1] [Total: 2]

В© OCR 2008

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some

2

This information appeared in a recent newspapers.

Did several mammoths possess blond curly hair?

Scientists possess managed to extract DNA in the cells of a mammoth which has been dead to get 43 500 years.

They may have discovered a gene that codes for the protein.

This kind of protein affects hair color in human beings and other family pets. The mammoth had two versions from the gene.

1 was major and tends to make the hair dark. The other was recessive and will make the hair jaunatre coloured.

(a) Write down words and phrases from the passage that mean the same as the following phrases. (i)

The name provided to a region of code over a chromosome.

(ii) A substance that is consisting of amino acids.

……………………

[1]

……………………

[1]

(b) Using your neurological knowledge, end the following phrases about the mammoth. The dominant and recessive types of the gene are called …………………………………. A mammoth with a major and a recessive version of the gene is said to be ………………………………… for this gene.

This means that their hair color would have been ………………………………….

[3]

[Total: 5]

В© OCR 2008

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