(a) Name the raw materials required for photosynthesis. How do plants obtain these raw materials?
(b) What are the various conditions necessary for photosynthesis?
(c) Name the various factors which affect the rate of photosynthesis in plants.


(a) The raw materials required for photosynthesis are water and carbon dioxide. Plants obtain water from the soil through roots and carbon dioxide from the atmosphere through stomata.

(b) The conditions necessary for photosynthesis are:
  • Sunlight
  • Chlorophyll
  • Carbon dioxide
  • Water

(c) The factors that affect the rate of photosynthesis are:
  1. Appropriate amount of sunlight
  2. Availability of water
  3. Availability of carbon dioxide

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Updated on: 27-Mar-2023

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