Question

9. Define the following terms: (a) Photosynthesis (b) Stomata​

Answer 1

Answer:

The green leaves prepare food for the plants in presence of sunlight and chlorophyll by a process called photosynthesis.

Answer 2

1. Photosynthesis -  it is the process through which green plants with the help of sunlight, air , cholorophyll and water make their own food by taking carbon dioxide from the atmosphere and releasing oxygen in air. it is the process involved in autotrophic mode of nutrition. it is a complex process which involves two phase- light dependent and dark phase .
2. Stomata - these are tiny pores which are present on the surface of leaf which help the plant for the gaseous exchange between the atmosphere. the guard cells present around the stomata initiates the closing and opening of the pores.