Ocr as level biology b Study guides, Revision notes & Summaries

OCR AS Level Biology A H020/01 Sample Question Paper 1 June 2022- Breadth in biology. • 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. 2 Section A You should spend a maximum of 25 minutes on this section. Answer all t...

OCR AS Level Biology A H020/01 Sample Question Paper 1 June 2022- Breadth in biology. Section A You should spend a maximum of 25 minutes on this section. Answer all the questions. 1 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 Your answer [1] 2 Which of the following descriptions is correct? A Vaccination gives lo...

OCR AS Level Biology A H020/01 Sample Question Paper 1 June 2022- Breadth in biology. Section A You should spend a maximum of 25 minutes on this section. Answer all the questions. 1 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 Your answer [1] 2 Which of the following descriptions is correct? A Vaccination gives lon...

OCR AS LEVEL BIOLOGY A H020/02: Depth in biology JUNE 2022 MARK SCHEME. OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels, Diplomas, GCSEs, Cambridge Nationals, Cambridge Technicals, Functional Skills, Key Skills, Entry Level qualifications, NVQs and vocational qualifications in areas such as IT, business, languages, teaching/training, admini...

Real exam 20232/2024 update for predicted papers, recent papers (2022 etc) and markschemes, topic based question sets and mock sets email STUDY HARD PLAY HARD Oxford Cambridge and RSA Friday 20 May 2022 – Afternoon AS Level Biology A H020/01 Breadth in biology Time allowed: 1 hour 30 minutes You can use: • a ruler (cm/mm) • a scientific or graphical calculator * H 0 2 0 0 1 * Ple...

Disease OCR A Level Biology Revised Test Questions 2024. active immunity - CORRECT ANSWER Resistance in an organism that has developed through the production of specific antibodies in response to a pathogen. (It provides long-lasting immunity as memory cells are produced) Agglutin - CORRECT ANSWER Chemicals that cause pathogens to aggregate together, aiding phagocytosis. (Antibodies can act as agglutinins) antibiotic - CORRECT ANSWER A chemical or compound produced by a living organis...

OCR A Level Biology Photosynthesis Exam Rated A+ 2024. What are the 3 photopigments found in the group of chlorophyll? - CORRECT ANSWER 1. Chlorophyll A 2. Chlorophyll B 3. Carotene Which of the 3 photopigments found in the group of chlorophyll is the main one? - CORRECT ANSWER Chlorophyll A What colour are Chlorophyll A, Chlorophyll B and Carotene respectively? - CORRECT ANSWER Green, blue and orange What is a photosystem? - CORRECT ANSWER Clusters of photopigments and proteins ...