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B1 A Exam Paper

4520 words - 19 pages

Surname Centre Number Candidate Signature

Other Names Candidate Number

General Certificate of Secondary Education June 2007 SCIENCE A Unit Biology B1a (Human Biology) BIOLOGY Unit Biology B1a (Human Biology) Monday 25 June 2007 Morning Session BLY1A

For this paper you must have: a black ball-point pen an objective test answer sheet. You may use a calculator.

Time allowed: 30 minutes Instructions Fill in the boxes at the top of this page. Check that your name, candidate number and centre number are printed on the separate answer sheet. Check that the separate answer sheet has the title ‘Human Biology’ printed on it. Attempt one Tier only, either the Foundation Tier or the Higher ...view middle of the document...

The Higher Tier starts on page 14 of this booklet.

FOUNDATION TIER SECTION ONE Questions ONE to SIX. In these questions, match the letters, A, B, C and D, with the numbers 1– 4. Use each answer only once. Mark your choices on the answer sheet.

QUESTION ONE The drawing shows a person riding a camel.
1 4 2

3

The rider uses different receptors when riding. Match words, A, B, C and D, with the labels 1– 4 on the drawing. A B C D contains receptors that help the rider to keep his balance on the camel contains receptors that help the rider to feel the reins contains receptors that help the rider to see the road contains receptors that help the rider to smell the air

G/C24852.01/Jun07/BLY1A

3 QUESTION TWO Thalidomide is a drug which may be prescribed by doctors. Match words, A, B, C and D, with the numbers 1– 4 in the sentences. A B C D leprosy limb abnormalities morning sickness difficulty in sleeping

Thalidomide was first developed to treat . . . 1 . . . . It was effective in treating . . . 2 . . . in pregnant women. However, it caused severe . . . 3 . . . so it was banned from use. Recently it has been used to treat . . . 4 . . . .

Turn over for the next question

Turn over
G/C24852.01/Jun07/BLY1A

4 QUESTION THREE The diagram shows some of the parts involved in a reflex action. 2 Neurone Stimulus 1 Receptor 3 Spinal cord Response 4 Effector

Match words, A, B, C and D, with the labels 1– 4 on the diagram. A B C D brings about a change in the body carries nerve impulse coordinates a response detects changes

G/C24852.01/Jun07/BLY1A

5 QUESTION FOUR Hormones are involved in the menstrual cycle. Match words, A, B, C and D, with the numbers 1– 4 in the sentences. A B C D eggs ovaries pituitary gland womb

FSH is produced by the . . . 1 . . . . FSH causes . . . 2 . . . to mature. Oestrogen is produced by the . . . 3 . . . . In IVF, embryos are inserted into the mother’s . . . 4 . . . .

Turn over for the next question

Turn over
G/C24852.01/Jun07/BLY1A

6 QUESTION FIVE The table shows the vaccines given to children in the UK. Age when vaccine is given Two months Three months Vaccine(s) given diphtheria, tetanus, pertussis, polio and hepatitis type b pneumococcal infection diphtheria, tetanus, pertussis, polio and hepatitis type b meningitis C Four months diphtheria, tetanus, pertussis, polio and hepatitis type b meningitis C pneumococcal infection 12 months 13 months hepatitis type b and meningitis C measles, mumps and rubella (MMR) How vaccine is given one injection one injection one injection one injection one injection one injection one injection one injection one injection one injection one injection one injection one injection

3 years and 4 months pneumococcal infection to 5 years diphtheria, tetanus, pertussis and polio measles, mumps, and rubella (MMR) 13 to 18 years diphtheria, tetanus and polio

Match vaccines, A, B, C and D, with the numbers 1– 4 in the table. A B C D hepatitis type b MMR...

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