Question

Name the two parts of a plant through which its gaseous waste products are released into the air.

Answer 1

1. Stomata-Stomata are the pores present on the surface of the leaves through which the exchange of gases takes place. Stomata also help in transpiration, in which the loss of water from the surface of leaves is in the form of water vapor.

2. Lenticls- Lenticels are aerating pores in the bark of woody plants for the exchange of gases. The lenticels appear on the surface of the bark as raised scars containing oval or rounded depressions. Lenticels are large-sized aerating pores present in the cork tissue for gaseous exchange. Mainly they function to help in the exchange of gases