Ocr biology a - Study guides, Class notes & Summaries

OCR 2023 Biology A H420/03: Unified biology A Level Question Paper & Mark Scheme (Merged)

OCR AS Level Biology A H420/01 Biological processes Question paper And Mark Scheme merged for June 2023

A LEVEL AQA BIOLOGY QUESTION PAPER 1 2024

OCR A Level Biology- Communicable Diseases Correctly Solved Test 2024. What parts of the plant does Ring Rot damage? - CORRECT ANSWER Leaves, tubers and fruit What causes a communicable disease? - CORRECT ANSWER A pathogen What are the 4 main types of pathogen? - CORRECT ANSWER 1. Bacteria 2. Viruses 3. Protoctista 4. Fungi What does a vector do? - CORRECT ANSWER Carry pathogens from one organism to the other How are communicable diseases in plants spread? - CORRECT ANSWER Di...

Ocr A level biology paper 2 With Complete Solutions

This is the official question paper

(a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. Fig. 1.1 Large multicellular plant Small multicellular plant Length = 2cm Width = 2 cm Depth = 2cm Surface area : volume = 6:1 (i) Using the data provided in Fig. 1.1, calculate the surface area : volume of the large multicellular plant. Surface area: volume = ..........................................................[2] (ii) Explain why a large multicellular plant needs a transport system but a sm...

1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. Fig. 1.1 Large multicellular plant Small multicellular plant Length = 2cm Width = 2 cm Depth = 2cm Surface area : volume = 6:1 (i) Using the data provided in Fig. 1.1, calculate the surface area : volume of the large multicellular plant. Surface area: volume = ..........................................................[2] (ii) Explain why a large multicellular plant needs a transport system but a ...

ocr A Level Biology A H420-03 June2023 Question Paper.