lOMoARcPSD|11448692
A LEVEL
BIOLOGY
For OCR Exam Board
PDF
, lOMoARcPSD|11448692
Table of Contents
*Disclaimer/ Instructions* .................................................................................................... 5
FOUNDATIONS IN BIOLOGY ............................................................................................ 6
QUESTIONS ................................................................................................................... 6
Cell Structure ............................................................................................................... 6
Biological Molecules .................................................................................................... 7
Nucleotides and Nucleic Acids .................................................................................... 9
Enzymes .................................................................................................................... 10
Biological Membranes ............................................................................................... 11
Cell Division, Cell Diversity and Cellular Organisation ............................................. 11
ANSWERS .................................................................................................................... 13
Cell Structure ............................................................................................................. 13
Biological Molecules .................................................................................................. 15
Nucleotides and Nucleic Acids .................................................................................. 17
Enzymes .................................................................................................................... 18
Biological Membranes ............................................................................................... 19
Cell Division, Cell Diversity and Cellular Organisation ............................................. 20
EXCHANGE AND TRANSPORT...................................................................................... 21
QUESTIONS ................................................................................................................. 21
Exchange surfaces .................................................................................................... 21
Transport in Animals.................................................................................................. 22
Transport in Plants .................................................................................................... 23
ANSWERS .................................................................................................................... 24
Exchange Surfaces ................................................................................................... 24
Transport in Animals.................................................................................................. 25
Transport in Plants .................................................................................................... 26
BIODIVERSITY, EVOLUTION AND DISEASE ................................................................ 27
QUESTIONS ................................................................................................................. 27
Communicable Diseases, Disease Prevention and the Immune System ................ 27
Biodiversity ................................................................................................................ 28
Classification and Evolution ...................................................................................... 29
ANSWERS .................................................................................................................... 30
Communicable Diseases, Disease Prevention and the Immune System ................ 30
, lOMoARcPSD|11448692
Biodiversity ................................................................................................................ 31
Classification and Evolution ...................................................................................... 32
COMMUNICATION, HOMEOSTASIS AND ENERGY ..................................................... 33
QUESTIONS ................................................................................................................. 33
Communication and Homeostasis ............................................................................ 33
Excretion as an Example of Homeostatic Control .................................................... 33
Neuronal Communication .......................................................................................... 34
Hormonal Communication ......................................................................................... 34
Plant and Animal Responses .................................................................................... 34
Photosynthesis .......................................................................................................... 35
Respiration................................................................................................................. 35
ANSWERS .................................................................................................................... 36
Communication and Homeostasis ............................................................................ 36
Excretion as an Example of Homeostatic Control .................................................... 36
Neuronal Communication .......................................................................................... 37
Hormonal Communication ......................................................................................... 37
Plant and Animal Responses .................................................................................... 38
Photosynthesis .......................................................................................................... 38
Respiration................................................................................................................. 39
GENETICS, EVOLUTION AND ECOSYSTEMS ............................................................. 40
QUESTIONS ................................................................................................................. 40
Cellular Control .......................................................................................................... 40
Patterns of Inheritance .............................................................................................. 40
Manipulating Genomes.............................................................................................. 41
Cloning and Biotechnology........................................................................................ 41
Ecosystems ............................................................................................................... 41
Populations and Sustainability .................................................................................. 42
ANSWERS .................................................................................................................... 43
Cellular Control .......................................................................................................... 43
Patterns of Inheritance .............................................................................................. 43
Manipulating Genomes.............................................................................................. 44
Cloning and Biotechnology........................................................................................ 44
Ecosystems ............................................................................................................... 44
, lOMoARcPSD|11448692
Populations and Sustainability .................................................................................. 45
EXAM TIPS ....................................................................................................................... 46
Assessment Objectives Overview: ............................................................................... 46
Question Types and Answering Strategies: ................................................................. 46
A LEVEL
BIOLOGY
For OCR Exam Board
, lOMoARcPSD|11448692
Table of Contents
*Disclaimer/ Instructions* .................................................................................................... 5
FOUNDATIONS IN BIOLOGY ............................................................................................ 6
QUESTIONS ................................................................................................................... 6
Cell Structure ............................................................................................................... 6
Biological Molecules .................................................................................................... 7
Nucleotides and Nucleic Acids .................................................................................... 9
Enzymes .................................................................................................................... 10
Biological Membranes ............................................................................................... 11
Cell Division, Cell Diversity and Cellular Organisation ............................................. 11
ANSWERS .................................................................................................................... 13
Cell Structure ............................................................................................................. 13
Biological Molecules .................................................................................................. 15
Nucleotides and Nucleic Acids .................................................................................. 17
Enzymes .................................................................................................................... 18
Biological Membranes ............................................................................................... 19
Cell Division, Cell Diversity and Cellular Organisation ............................................. 20
EXCHANGE AND TRANSPORT...................................................................................... 21
QUESTIONS ................................................................................................................. 21
Exchange surfaces .................................................................................................... 21
Transport in Animals.................................................................................................. 22
Transport in Plants .................................................................................................... 23
ANSWERS .................................................................................................................... 24
Exchange Surfaces ................................................................................................... 24
Transport in Animals.................................................................................................. 25
Transport in Plants .................................................................................................... 26
BIODIVERSITY, EVOLUTION AND DISEASE ................................................................ 27
QUESTIONS ................................................................................................................. 27
Communicable Diseases, Disease Prevention and the Immune System ................ 27
Biodiversity ................................................................................................................ 28
Classification and Evolution ...................................................................................... 29
ANSWERS .................................................................................................................... 30
Communicable Diseases, Disease Prevention and the Immune System ................ 30
, lOMoARcPSD|11448692
Biodiversity ................................................................................................................ 31
Classification and Evolution ...................................................................................... 32
COMMUNICATION, HOMEOSTASIS AND ENERGY ..................................................... 33
QUESTIONS ................................................................................................................. 33
Communication and Homeostasis ............................................................................ 33
Excretion as an Example of Homeostatic Control .................................................... 33
Neuronal Communication .......................................................................................... 34
Hormonal Communication ......................................................................................... 34
Plant and Animal Responses .................................................................................... 34
Photosynthesis .......................................................................................................... 35
Respiration................................................................................................................. 35
ANSWERS .................................................................................................................... 36
Communication and Homeostasis ............................................................................ 36
Excretion as an Example of Homeostatic Control .................................................... 36
Neuronal Communication .......................................................................................... 37
Hormonal Communication ......................................................................................... 37
Plant and Animal Responses .................................................................................... 38
Photosynthesis .......................................................................................................... 38
Respiration................................................................................................................. 39
GENETICS, EVOLUTION AND ECOSYSTEMS ............................................................. 40
QUESTIONS ................................................................................................................. 40
Cellular Control .......................................................................................................... 40
Patterns of Inheritance .............................................................................................. 40
Manipulating Genomes.............................................................................................. 41
Cloning and Biotechnology........................................................................................ 41
Ecosystems ............................................................................................................... 41
Populations and Sustainability .................................................................................. 42
ANSWERS .................................................................................................................... 43
Cellular Control .......................................................................................................... 43
Patterns of Inheritance .............................................................................................. 43
Manipulating Genomes.............................................................................................. 44
Cloning and Biotechnology........................................................................................ 44
Ecosystems ............................................................................................................... 44
, lOMoARcPSD|11448692
Populations and Sustainability .................................................................................. 45
EXAM TIPS ....................................................................................................................... 46
Assessment Objectives Overview: ............................................................................... 46
Question Types and Answering Strategies: ................................................................. 46
