Biology (B) J257,04 Higher November 2021, OCR GCSE Past Papers with Mark Schemes

Past Papers

Multimedia

Forum

QuizHub

Tutorial

School

Past Papers

The OCR GCSE Biology Paper 4 (November 2021) covers osmosis, plant diseases, genetic inheritance, and composting processes. Key topics include meiosis, menstrual cycle hormones, and natural selection. Practical investigations focus on sugar concentration in potato cells, temperature effects on compost decomposition, and selective breeding for disease resistance. Concepts such as antibiotic resistance, the role of bacteria in composting, and optimizing biological processes are emphasized. Ethical considerations, data analysis, and the application of scientific principles in environmental management, conservation, and public health are central themes.

OCR GCSE Biology B (J257) Nov 2021

omer uner

Classification: OCR Paper 4

Page count: 20

Viewed: 24

Last update: 3 months ago

Crash report

Create Quiz

Biology (B) J257,04 Higher November 2021, OCR GCSE Past Papers with Mark Schemes

Releated questions

Related Past Papers