Ocr as biology b - Study guides, Class notes & Summaries

OCR AS LEVEL BIOLOGY A H020/01 JUNE 2022 ACTUAL QUESTION PAPER - Breadth in Biology. SECTION A You should spend a maximum of 25 minutes on this section. Write your answer for each question in the box provided. Answer all the questions. 1 The graph below shows the results of an osmosis experiment investigating the effect of changing the concentration of sodium chloride (NaCl) on mass of potatoes. 10 5 Percentage change in 0 mass –5 –10 Which concentration of NaCl causes equal mo...

OCR AS LEVEL JUNE 2022 BIOLOGY B PAPER 1 FOUNDATIONS OF BIOLOGY MARK SCHEME

OCR AS LEVEL BIOLOGY A H020/O1 JUNE 2022 ACTUAL MARK SCHEME - BREADTH IN BIOLOGY. H020/01 Mark Scheme June 2022 8 Downloaded by: NorthWest | Distribution of this document is illegal • the specification, especially the assessment objectives • the question paper • the mark scheme. You should ensure that you have copies of these materials. You should ensure also that you are familiar with the administrative procedures related to the marking process. ThInstructions for Examiners. I...

OCR AS Level Biology A Paper 1 June 2021. H020/01: Breadth in biology WITH MARK SCHEME (MERGED) Young mammals receive antibodies in their mother’s milk. This is an example of which type of immunity? A artificial active immunity B artificial passive immunity C natural active immunity D natural passive immunity

OCR AS LEVEL BIOLOGY B PAPER 2 H022/02; Biology in Depth JUNE 2022 QP.

OCR AS LEVEL JUNE 2022 BIOLOGY B PAPER 1 QUESTION PAPER

OCR AS LEVEL JUNE 2022 BIOLOGY B PAPER 2 QUESTION PAPER

OCR AS LEVEL BIOLOGY A H020/O1 JUNE 2022 ACTUAL MARK SCHEME - BREADTH IN BIOLOGY. H020/01 Mark Scheme June 2022 7 Downloaded by: NorthWest | Distribution of this document is illegal 12. Abbreviations, annotations and conventions used in the detailed Mark Scheme (to include abbreviati Annotation Meaning / alternative and acceptable answers for the same Separates marking points DO NOT ALLOW Answers which are not worthy of creIGNORE Statements which are irrelevant ALLOW Answers that can...

OCR AS Level Biology A Paper 1 June 2021. H020/01: Breadth in biology ACTUAL QUESTION PAPER WITH MARK SCHEME (MERGED) INSTRUCTIONS • Use black ink. You may use an HB pencil for graphs and diagrams. • Complete the boxes above with your name, centre number and candidate number. • Answer all the questions. • Where appropriate, your answers should be supported with working. Marks may be given for a correct method even if the answer is incorrect. • Write your answer to ...