CONTENTS:- 1. Photosynthesis: Carbon Reactions. 2. Plant Cells. 3. Choice of Material in Physiological test. 4. Stomatal Conductance and Yields of Irrigated crops. 5. Cellular water Relations. 6. The Fluence Response of Phototropism. 7. Regulation of Transcription by Cis-Acting Sequences. 8. Principles of Spectrophotometry. 9. Biological Activity of Abscisic Acid.