Plants Botany 102 Life sciences 15 Angiosperms 13 India 13 Biology 12 Botany, Medical 12 Evolution 12 Materia medica, Vegetable 12 Classification 11 Botanical chemistry 10 Plant physiology 10 Animals 9 Development 9 Effect of stress on 8 Metabolism 8 Flowers 7 Trees 7 Biochemistry 6 Photosynthesis 6 Plant Physiological Phenomena 6 Plant ecology 6 Dissertations, Academic (Ph.D) 5 Forests and Forest Trees (Biology and Ecology) 5 Medicinal Plants Encyclopaedia 5 Natural Science 5 Plant Ecology 5 Plant diseases 5 Seeds 5 Animal Ecology 4