Ocr a level biology exam - Study guides, Class notes & Summaries

OCR AS LEVEL JUNE 2022 BIOLOGYA PAPER 1 QUESTION PAPER Real exam 2024/2025 update OCR AS LEVEL JUNE 2022 for predicted papers, recent papers (2022 etc) and markschemes, topic based question sets and mock sets visit https:// insta:s_ihsan98 or email we also have netflix, disney plus, amazon prime and a hundredmore so contact us to findout more turn to the next page STUDY HARD PLAY HARD Friday 20 May 2022 – Afternoon AS Level Biology A H020/01 Breadth in biology Time all...

A LEVEL BIOLOGY FOR OCR A STUDY GUIDE WITH COMPLETE SOLUTION BASED ON JUNE’S FINAL EXAM!!

OCR A Level Biology: Module 4 Exam Questions 2024. What is the biggest taxonomic group? - CORRECT ANSWER Kingdom What are the seven groups? - CORRECT ANSWER Kingdom,phylum,class,order,family, genus and species Why do scientists classify organisms? - CORRECT ANSWER To identify species, to predict characteristics and to find evolutionary links What is the most recent level of hierarchy added to the taxonomic groups? - CORRECT ANSWER Domain What are the three domains? - CORRECT ANS...

OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER Real exam 2024 update

OCR A level biology Written Exam 2024. Abiotic components - CORRECT ANSWER Components of an ecosystem that are non living Abiotic factors - CORRECT ANSWER Non living components of an ecosystem that effect other living organisms Acetycholine - CORRECT ANSWER Chemical that acts as a transmitter that diffuses across synaptic cleft Acetycholinesterase - CORRECT ANSWER Enzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic...

A-Level Biology – OCR Exam Questions Correctly Answered 2024. What is a light microscope used for? - CORRECT ANSWER Observing living and dead specimins What are the pros and cons of a light microscope? - CORRECT ANSWER Pros: Cheap, portable, easy to use, can study living specimens. Cons: Limited magnification, poor resolution. What is a laser scanning confocal microscope used for? - CORRECT ANSWER Creating a high resolution, high contrast image, at different depths of the specimen. ...

OCR A LEVEL BIOLOGY BIODIVERSITY EXAM 2024

Why do multicellular plants need transport systems? (4) - Answer Need water, minerals and sugars to live and also need to get rid of waste substances. Multicellular plants have a low SA:V, however they are relatively big with a high metabolic rate. Exchanging substances by direct diffusion would be too slow to meet their metabolic needs. So plants need transport systems to move substances to and from individual cells quickly. What is the function of the xylem? - Answer To transport water a...

OCR A Level Biology Module 6 Final Exam Questions 2024. regulatory gene - CORRECT ANSWER a gene that codes for a transcription factor, so controls the expression of structural genes structural gene - CORRECT ANSWER gene that codes for polypeptide mutation - CORRECT ANSWER a random change in the sequence of bases in an individual gene, or in the structure of the chromosome (which changes the sequence of genes on the chromosome) examples of mutagenic agents - CORRECT ANSWER x-rays, U...