Almost there! Just a few clicks from the resource you need.
You can either checkout with the notes in your basket now, or find more notes. The choice is yours!
My Basket
OCR 2024 GCSE Combined Science B Twenty First Century Science J260/05: Biology (Higher Tier) with Marking Scheme Merged
OCR 2024 GCSE Combined Science B Twenty First Century Science J260/05: Biology (Higher Tier) with Marking Scheme Merged. COMBINED SCIENCE B Oxford Cambridge and RSA Friday10 May 2024 –Morning GCSE (9–1) Combined Science B (Twenty First CenturyScience) J260/05 Biology(HigherTier) Time allowed: 1 hour 45 minutes H You must have: • a ruler (cm/mm) You can use: • a scientific or graphical calculator • an HB pencil * J 2 6 0 0 5 * Please write clearly in black ink. Do not write in the barcodes. Centre number First name(s) Last name INSTRUCTIONS Candidate number • Use black ink. You can use an HB pencil, but only for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer should be supported with working. Marks might be given for using a correct method, even if your answer is wrong. INFORMATION • The total mark for this paper is 95. • The marks for each question are shown in brackets [ ]. • Quality of extended response will be assessed in questions marked with an asterisk (*). • This document has 28 pages. ADVICE • Read each question carefully before you start your answer. 2 1 Charlie knows that hormones are important in human reproduction. (a) Describe one role of hormones in human reproduction. ..................................................................................................................................................... [1] (b) (i) The diagram shows four stages in the menstrual cycle. Stage 1 Menstruation Stage 4 Stage 2 Ovum dies if not fertilised Uterus lining thickens Stage 3 Ovulation Charlie has a contraceptive implant under their skin. The implant releases hormones. Complete the sentence to explain why the hormones released by the implant disrupt the menstrual cycle. Put a ring around the correct option. The hormones prevent stage 1 / 2 / 3 / 4 from taking place.
£5.00 Preview RemoveIGCSE Bio 0970 Solved Core MCQ's Spring 2018.
Students can get good marks by preparing and understanding the previous exam questions. In addition questions are asked from past papers as well.
£3.75 Preview RemoveCell Biology - DNA Basics
From NOVA 2016 - College Cell Biology Lecture by D. Fernandez Topics - DNA vs RNA - Gene Expression - Transcription vs Translation - Cancer Cells - Cell Signaling
£2.50 Preview RemoveEdexcel a level biology B question paper 2 june 2024 salters Nuffield + mark scheme
Edexcel a level biology B question paper 2 june 2024 salters Nuffield + mark scheme
£8.75 Preview RemoveMicrobiology notes
Microbiology notes taking from Biochemestry,Biotechnology and Pharmaceutical Science
£3.13 Preview Remove