AQA-BL1HP-QP-JAN13 - Centre Number For Examiners Use Candidate Number Surname Other Names Examiners Initials Candidate Signature Question General

AQA-BL1HP-QP-JAN13 - Centre Number For Examiners Use...

This preview shows page 1 - 6 out of 20 pages.

General Certificate of Secondary Education Higher Tier January 2013 Science A BL1HP Unit Biology B1 Biology Unit Biology B1 Wednesday 9 January 2013 9.00 am to 10.00 am For this paper you must have: a ruler. You may use a calculator. Time allowed 1 hour Instructions Use black ink or black ball-point pen. Fill in the boxes at the top of this page. Answer all questions. You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. Do all rough work in this book. Cross through any work you do not want to be marked. Information The marks for questions are shown in brackets. The maximum mark for this paper is 60. You are expected to use a calculator where appropriate. You are reminded of the need for good English and clear presentation in your answers. Question 3(a) should be answered in continuous prose. In this question you will be marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate. Advice In all calculations, show clearly how you work out your answer. BL1HP H (Jan13BL1HP01) G/K89530 6/6/6/6 Centre Number Candidate Number Surname Other Names Candidate Signature For Examiner’s Use Examiner’s Initials Question Mark 1 2 3 4 5 6 7 8 TOTAL
Image of page 1
2 Do not write outside the box (02) G/K89530/Jan13/BL1HP Answer all questions in the spaces provided. 1 Peas grow in pods on pea plants. Pea plant Peas Pod A gardener grew four varieties of pea plants, A , B , C and D , in his garden. The gardener counted the number of peas in each pod growing on each plant. The table shows his results. Variety Range of number of peas in each pod Mean number of peas in each pod A 2 – 6 4 B 3 – 7 5 C 3 – 8 6 D 6 – 8 7 1 (a) Give one environmental factor and one other factor that might affect the number of peas in a pod. Environmental factor .......................................................................................................... Other factor ........................................................................................................................ (2 marks)
Image of page 2
3 Do not write outside the box (03) G/K89530/Jan13/BL1HP Turn over 1 (b) The gardener thinks that he will get the largest mass of peas from his garden if he grows variety D . Why is the gardener not correct? Suggest one reason. ............................................................................................................................................ ............................................................................................................................................ (1 mark) 1 (c) It is important that carbon is cycled through living things. After he has picked the peas, the gardener puts the dead pea plants onto a compost heap. Over the next few months, the carbon in the carbon compounds from the pea plants is returned to the air. Describe how. ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ ............................................................................................................................................ (4 marks) ____ 7 Turn over for the next question
Image of page 3
4 (04) G/K89530/Jan13/BL1HP Do not write outside the box There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED
Image of page 4
5 Do not write outside the box (05) G/K89530/Jan13/BL1HP Turn over 2 The diagram shows the position of two glands, A and B , in a woman.
Image of page 5
Image of page 6

You've reached the end of your free preview.

Want to read all 20 pages?

  • Spring '16
  • nour
  • Biology, RNA, Pastpaperquestions AQA Science, Tide, Tit, Birds of Turkey, Birds of Europe, Great Tit

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes