Multiple choice questions :

1. Water and carbon dioxide enter the leaf through :
   1. roots
   2. stems
   3. stomata
   4. buds
2. Which of the following is not needed in photosynthesis?
   1. chlorophyll
   2. carbon dioxide
   3. oxygen
   4. sunlight
3. The energy that we get from the food produced by plants is the energy of the :
   1. soil
   2. minerals
   3. sun
   4. stars
4. The process of photosynthesis takes place in :
   1. acquatic plants
   2. all plants
   3. non-green only
   4. green plants only
5. A green colour pigment in most plants ?
   1. chlorophyll
   2. photosynthesis
   3. stomata
   4. pigment

Can a red leaf prepare food for the plant?

How will you show that chlorophyll is necessary for photosynthesis?

What do you mean by photosynthesis?