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

OCR 2024 AS Level Biology B (Advancing Biology) H022/02 Biology in depth Question Paper & Mark Scheme (Merged)

OCR AS LEVEL BIOLOGY A H020/01 JUNE 2022 ACTUAL QUESTION PAPER - Breadth in Biology. INSTRUCTIONS • 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 correc...

OCR 2024 AS Level Biology B (Advancing Biology) H022/01 Foundations of biology Question Paper & Mark Scheme (Merged)

Oxford Cambridge and RSA Friday 20 May 2022 – Afternoon AS Level Biology A H020/01 Breadth in biology • Read each question carefully before you start your answer. © OCR 2022 [601/4261/3] DC (ST/SG) /4 OCR is an exempt Charity Turn over 2 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. ...

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 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