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Science/Plants
Science, photosynthesis
Question | Answer |
---|---|
What is biomass? | The total quantity or weight of organisms in a given area or volume. |
What is photosynthesis? | When light energy from the sun is changed into a chemical energy. The process plants use to make food. |
What are the raw materials for photosynthesis? | Carbon Dioxide and Water. |
What are the 3 factors that affect the rate of photosynthesis? | Darkness, Dim light and bright light. |
What is the process that plants undergo at night? | Respiration |
What is chlorophyll? | A coloured substance, produced by a plant which is needed for photosynthesis. It absorbs energy light from the sun to make photosynthesis happen. |
What is the glucose produced in photosynthesis used for? | 1. respiration 2. making other substances that act as stores of energy (eg. starch) 3. making new materials for growth |
What is cellulose used for in plants? | To make cell walls. |
What is fats used for in plants? | Cell membranes |
What are proteins used for in plants? | Growth and Repair. |