Question

(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.

Answer 1

(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) Following are the conditions necessary for photosynthesis:

• Sunlight
• Chlorophyll
• Carbon dioxide
• Water

(c) Following are the factors that affect the rate of photosynthesis:

• Appropriate sunlight
• Water availability
• Availability of carbon dioxide