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DOC, 385.58 KB

IGCSE (Edexcel) Biology (9-1)

2.20 understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis

Lesson on limiting factors for photosynthesis, including practice exam questions with marking scheme.

*Any and all feedback appreciated

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2.18 to 2.58B - Photosynthesis, Leaf Structure, and Plant Transport (IGCSE Biology 9-1 Edexcel)

**IGCSE (Edexcel) Biology 9-1** 2.18 understand the process of photosynthesis and its importance in the conversion of light energy to chemical energy 2.19 know the word equation and the balanced chemical symbol equation for photosynthesis 2.20 understand how varying carbon dioxide concentration, light intensity and temperature affect the rate of photosynthesis 2.21 describe the structure of the leaf and explain how it is adapted for photosynthesis 2.22 understand that plants require mineral ions for growth, and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids 2.23 practical: investigate photosynthesis, showing the evolution of oxygen from a water plant, the production of starch and the requirements of light, carbon dioxide and chlorophyll 2.40B understand the role of diffusion in gas exchange 2.41B understand gas exchange (of carbon dioxide and oxygen) in relation to respiration and photosynthesis 2.42B understand how the structure of the leaf is adapted for gas exchange 2.43B describe the role of stomata in gas exchange 2.44B understand how respiration continues during the day and night, but that the net exchange of carbon dioxide and oxygen depends on the intensity of light 2.45B practical: investigate the effect of light on net gas exchange from a leaf, using hydrogen-carbonate indicator 2.53 describe the role of phloem in transporting sucrose and amino acids between the leaves and other parts of the plant 2.54 describe the role of xylem in transporting water and mineral ions from the roots to other parts of the plant 2.55B understand how water is absorbed by root hair cells 2.56B understand that transpiration is the evaporation of water from the surface of a plant 2.57B understand how the rate of transpiration is affected by changes in humidity, wind speed, temperature and light intensity 2.58B practical: investigate the role of environmental factors in determining the rate of transpiration from a leafy shoot 8x presentations, including presentations for practical lessons. Exam questions with mark schemes included throughout, with additional worksheets for lab lessons, labelling, transpiration factors, and revision (with answer sheets) **Any and all feedback appreciated**

£13.50

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