209 Biology O Level Practice Books of Diagrams

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1 CELL STRUCTURE AND ORGANIZATION 6
1 ANSWER KEY 10
2 DIFFUSION, OSMOSIS AND ACTIVE TRANSPORT 13
2 ANSWER KEY 10
3 ENZYMES 23
3 ANSWER KEY 28
4A NUTRITION 31
4A ANSWER KEY 34
4B NUTRITION IN ANIMALS 36
4B ANSWER KEY 44
5 NUTRITION IN PLANTS 49
5 ANSWER KEY 55
6 TRANSPORT IN PLANTS 59
6 ANSWER KEY 62
7 TRANSPORT IN HUMANS 64
7 ANSWER KEY 72
8 RESPIRATION 76
8 ANSWER KEY 83
9 EXCRETION 88
9 ANSWER KEY 91
10 HOMEOSTASIS 92
10 ANSWER KEY 94
11A NERVOUS SYSTEM 95
10 ANSWER KEY 94
11B EYE 103
11 ANSWER KEY 108
12 SUPPORT, MOVEMENT AND LOCOMOTION 111
12 ANSWER KEY 114
13 MICROORGANISMS 115
13 ANSWER KEY 122
14A ECOLOGY 126
14 ANSWER KEY 134
14B HUMANS IMPACT ON ECOSYSTEM 138
14B ANSWER KEY 144
15 REPRODUCTION IN PLANTS 146
15 ANSWER KEY 155
16 REDPRODUCTION IN HUMANS 163
16 ANSWER KEY 171
17 INHERITANCE 177
17 ANSWER KEY 184