Life Processes — Science STD 10 — Question

The raw materials for photosynthesis are carbon-dioxide and water. The green plants take carbon-dioxide from air for photosynthesis. The carbon-dioxide gas enters the leaves of the plants through the stomata present on their surface. The water required by the plants for photosynthesis is absorbed by the roots of the plants from the soil through the process of osmosis. The water absorbed by the roots is transported upwards through the xylem vessels to the leaves where it reaches the photosynthetic cells and utilized in photosynthesis.