3 factors necessary for photosynthesis to take place are:
1. Presence of sunlight 2. Presence of chlorophyll 3. Presence of water and carbon-dioxide
The autotrophic mode of nutrition requires
(a) carbon dioxide and water.
(b) chlorophyll.
(c) sunlight.
(d) all of the above.
Question 23 Oxygen liberated during photosynthesis comes from (a) water (b) chlorophyll (c) carbon dioxide (d) glucose
Question 3 The autotrophic mode of nutrition in plants requires: (a) Carbon dioxide and water (b) Chlorophyll (c) Sunlight (d) All of the above