H420 3 - Study guides, Class notes & Summaries

OCR GCE A LEVEL BIOLOGY A PAPER 3 JUNE 2024 MARK SCHEME (H420-03)Unified biology

A Level Biology A H420/02 Biological diversitySECTION A You should spend a maximum of 20 minutes on this section. Write your answer for each question in the box provided. Answer all the questions. 1 Which of the following best describes a microscope with high resolution? A The microscope can distinguish structures that are very close together. B The microscope can view structures that are very small. C The microscope is capable of high magnification. D The microscope has an in-built eye...

OCR BIOLOGY A PAPER 3 JUNE 2024 QUESTION PAPER (H420-03)UNIFIED BIOLOGY (1)

OCR A LEVEL BIOLOGY JUNE 2022 BIOLOGY A H420 PAPER 3 ACTUAL QUESTION PAPER

OCR: OXFORD CAMBRIDGE: A LEVEL BIOLOGY A-2021: H420/02 BIOLOGICAL DIVERSITY ACTUAL QUESTION PAPER MERGED WITH MARK SCHEME SECTION A You should spend a maximum of 20 minutes on this section. Answer all the questions. 1 If a person is bitten by a venomous snake, the immediate treatment is normally to inject the person with the appropriate antibodies. This is an example of which type of immunity? A artificial active immunity B artificial passive immunity C natural active immu...

Contents Introducing…A Level Biology A ii Teaching and learning resources iii Professional development iv 1 Why choose an OCR A Level in Biology A? 1 1a. Why choose an OCR qualification? 1 1b. Why choose an OCR A Level in Biology A? 2 1c. What are the key features of this specification? 3 1d. How do I find out more information? 4 2 The specification overview 5 2a. Overview of A Level in Biology A (H420) 5 2b. Content of A Level in Biology A (H420) 6 2c. Content of modules 1 to 6 8 ...

OCR A_Level Biology Paper 1 Marking Scheme. Question Answer Marks AO element 1 D 1 1.2 2 B 1 1.1 3 A 1 1.1 4 A 1 1.1 5 B 1 1.1 6 B 1 1.1 7 B 1 1.1 8 B 1 1.1 9 A 1 2.6 10 A 1 2.6 11 C 1 2.3 12 C 1 2.4 13 B 1 1.1 14 C 1 1.2 15 B 1 2.5 Total 15 H420/01 Mark Scheme Question Answer Marks AO element 16 (a) (i) adenine 1 2.1 DO NOT ALLOW adenosine IGNORE nitrogenous base / purine (a) (ii) hydrolysis 1 2.1 IGNORE dephosphorylation (a) (ii...

Biology A level and Biology AS level Biology. Module 3 (3.2) Transport in animals. H020 and H420. OCR Specification. Breadth and depth of biology. Paper 1,2,3

If you're preparing for OCR A-Level Biology (H020, H420), investing in revision notes for cloning and biotechnology is a smart choice. This topic features prominently across Papers 1, 2, and 3, making it essential for a strong performance. The OCR Biology specification is known for its breadth and depth, and mastering concepts like cloning and biotechnology is critical to understanding modern biological applications. Revision notes tailored to the OCR curriculum can break down these complex top...